{
  "schema": "codex.element_product/2",
  "element": "Fe",
  "star": "solar",
  "version": "1.223",
  "updated_at": "2026-09-24T16:11:18Z",
  "products": [
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.909,
      "sigma_stat": 0.1639,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.16389 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "fb73bd61c29ef437d341bedff5aee43588dbba08282c170e7d88f1e88d75ec22",
        "artifact_mtime": "2026-09-08T16:51:20Z",
        "ingested_at": "2026-09-08T18:51:45Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.063336,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2175 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 8 of its 8 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (fb73bd61c29e), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "dA_dxi_dex_per_kms": -0.2175,
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.063336
      },
      "sigma_syst_complete": 0.090683,
      "sigma_reported": 0.187314,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json"
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.531,
      "sigma_stat": 0.086,
      "sigma_syst": 0.0649,
      "n_lines": 2,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08600 dex at n_lines=2",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "89ae1e3e8fbc22ca781f1bcc97010ea1682ed9eda8e2e7e632d50be2e8f5273f",
        "artifact_mtime": "2026-09-08T16:51:29Z",
        "ingested_at": "2026-09-08T18:51:45Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0649,
      "sigma_reported": 0.10774,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.925,
      "sigma_stat": 0.1672,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.16716 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "617d9c83b84dcc5b29f3b5511301956a785c65aafcc330861a1e7eced9b031b7",
        "artifact_mtime": "2026-09-08T16:51:20Z",
        "ingested_at": "2026-09-08T18:51:45Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.077168,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2650 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 8 of its 8 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (617d9c83b84d), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.077168
      },
      "sigma_syst_complete": 0.100831,
      "sigma_reported": 0.19525,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.265
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.909,
      "sigma_stat": 0.1639,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.16389 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "fb73bd61c29ef437d341bedff5aee43588dbba08282c170e7d88f1e88d75ec22",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.063336,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2175 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 8 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.063336
      },
      "sigma_syst_complete": 0.090683,
      "sigma_reported": 0.187314,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2175
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.531,
      "sigma_stat": 0.086,
      "sigma_syst": 0.0649,
      "n_lines": 2,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08600 dex at n_lines=2",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "89ae1e3e8fbc22ca781f1bcc97010ea1682ed9eda8e2e7e632d50be2e8f5273f",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224). The band-keyed run agrees and declined this pool in its own words: \"only 2 paired line(s), below min_paired=3 \u2014 the derivative exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason)\" [RYA-1213, data/results/rya1213/reference_xi_dadxi.json].",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0649,
      "sigma_reported": 0.10774,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      }
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.925,
      "sigma_stat": 0.1672,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.16716 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "617d9c83b84dcc5b29f3b5511301956a785c65aafcc330861a1e7eced9b031b7",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.077168,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2650 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 8 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.077168
      },
      "sigma_syst_complete": 0.100831,
      "sigma_reported": 0.19525,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.265
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.571,
      "sigma_stat": 0.1475,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.14746 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "2cd00c38e15ed88a4ca766c21b69b705eefd9f7f8c576a77c40a71d9c23904c2",
        "artifact_mtime": "2026-09-08T17:02:04Z",
        "ingested_at": "2026-09-08T18:51:46Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.085904,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2950 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 8 of its 8 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (2cd00c38e15e), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "dA_dxi_dex_per_kms": -0.295,
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.085904
      },
      "sigma_syst_complete": 0.107664,
      "sigma_reported": 0.182614,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json"
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.324,
      "sigma_stat": 0.139,
      "sigma_syst": 0.0649,
      "n_lines": 2,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.13900 dex at n_lines=2",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "c2423e4972840b5906abb847272ba9bf947cef3411fe4af1ab3f934cc735b827",
        "artifact_mtime": "2026-09-08T17:02:14Z",
        "ingested_at": "2026-09-08T18:51:45Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0649,
      "sigma_reported": 0.153405,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.567,
      "sigma_stat": 0.1508,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.15077 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "96caa00c80524f21eadc7d5b4a8df1c52c9cb1054db1b52cf58ea5d24b4335c5",
        "artifact_mtime": "2026-09-08T17:02:04Z",
        "ingested_at": "2026-09-08T18:51:46Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.082264,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2825 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 8 of its 8 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (96caa00c8052), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.082264
      },
      "sigma_syst_complete": 0.104783,
      "sigma_reported": 0.18363,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2825
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.571,
      "sigma_stat": 0.1475,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.14746 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "2cd00c38e15ed88a4ca766c21b69b705eefd9f7f8c576a77c40a71d9c23904c2",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.085904,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2950 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 8 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.085904
      },
      "sigma_syst_complete": 0.107664,
      "sigma_reported": 0.182614,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.295
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.324,
      "sigma_stat": 0.139,
      "sigma_syst": 0.0649,
      "n_lines": 2,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.13900 dex at n_lines=2",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "c2423e4972840b5906abb847272ba9bf947cef3411fe4af1ab3f934cc735b827",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224). The band-keyed run agrees and declined this pool in its own words: \"only 2 paired line(s), below min_paired=3 \u2014 the derivative exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason)\" [RYA-1213, data/results/rya1213/reference_xi_dadxi.json].",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0649,
      "sigma_reported": 0.153405,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      }
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.567,
      "sigma_stat": 0.1508,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.15077 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "96caa00c80524f21eadc7d5b4a8df1c52c9cb1054db1b52cf58ea5d24b4335c5",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.082264,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2825 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 8 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.082264
      },
      "sigma_syst_complete": 0.104783,
      "sigma_reported": 0.18363,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2825
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.56,
      "sigma_stat": 0.1403,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.14027 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "a44486f9e043ba219276936cb2987ad877436f51b77843606791981fbe8356b0",
        "artifact_mtime": "2026-09-08T17:02:21Z",
        "ingested_at": "2026-09-08T18:51:46Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.077896,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2675 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 8 of its 8 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (a44486f9e043), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "dA_dxi_dex_per_kms": -0.2675,
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.077896
      },
      "sigma_syst_complete": 0.101389,
      "sigma_reported": 0.173101,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json"
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.328,
      "sigma_stat": 0.1305,
      "sigma_syst": 0.0649,
      "n_lines": 2,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.13050 dex at n_lines=2",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "c3f05e8edd730000c6be7c814157b17f7ad9c076b5e8de35af3a69de6b5981d9",
        "artifact_mtime": "2026-09-08T17:02:28Z",
        "ingested_at": "2026-09-08T18:51:46Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0649,
      "sigma_reported": 0.145747,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.556,
      "sigma_stat": 0.1444,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.14440 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "a2b7273aa76eb8faaecbf5aeb8bfe118f092d99475560860a10fc002b0483956",
        "artifact_mtime": "2026-09-08T17:02:21Z",
        "ingested_at": "2026-09-08T18:51:46Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.08372,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2875 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 8 of its 8 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (a2b7273aa76e), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.08372
      },
      "sigma_syst_complete": 0.105929,
      "sigma_reported": 0.179087,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2875
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.56,
      "sigma_stat": 0.1403,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.14027 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "a44486f9e043ba219276936cb2987ad877436f51b77843606791981fbe8356b0",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.077896,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2675 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 8 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.077896
      },
      "sigma_syst_complete": 0.101389,
      "sigma_reported": 0.173101,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2675
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.328,
      "sigma_stat": 0.1305,
      "sigma_syst": 0.0649,
      "n_lines": 2,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.13050 dex at n_lines=2",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "c3f05e8edd730000c6be7c814157b17f7ad9c076b5e8de35af3a69de6b5981d9",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224). The band-keyed run agrees and declined this pool in its own words: \"only 2 paired line(s), below min_paired=3 \u2014 the derivative exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason)\" [RYA-1213, data/results/rya1213/reference_xi_dadxi.json].",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0649,
      "sigma_reported": 0.145747,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      }
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.556,
      "sigma_stat": 0.1444,
      "sigma_syst": 0.0649,
      "n_lines": 8,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.14440 dex at n_lines=8",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "a2b7273aa76eb8faaecbf5aeb8bfe118f092d99475560860a10fc002b0483956",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:13Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.08372,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2875 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 8 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0649,
        "sigma_xi": 0.08372
      },
      "sigma_syst_complete": 0.105929,
      "sigma_reported": 0.179087,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2875
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.617,
      "sigma_stat": 0.0523,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05230 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "8cea06b3de8f4674f207aade6ceea223a59e50930bddc6abcbb85cfc6d221e18",
        "artifact_mtime": "2026-09-09T13:45:40Z",
        "ingested_at": "2026-09-09T15:00:46Z"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.013832,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0475 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.0475,
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.013832
      },
      "sigma_syst_complete": 0.11037,
      "sigma_reported": 0.2391787538440949,
      "sigma_reported_basis": "RYA-587 canonical total over all 16 contract components (RYA-1226). Supersedes the legacy quadrature, which charged four terms. See `uncertainty` for the component table; terms whose evidence is a bound carry evidence.bound = true.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "star": "solar",
      "uncertainty_indicator_ids": [
        "pk_6e41a12859a1",
        "pk_9b85a1408c07",
        "pk_61d3f8242dfd",
        "pk_27a007d728be",
        "pk_49532a81af69",
        "pk_660af6efd93e",
        "pk_611337302ff9",
        "pk_47f70269ac75",
        "pk_fcded4d4fa5c",
        "pk_2053f62ffef4",
        "pk_ecdfa7d10bb4",
        "pk_e5b09ba33ea8"
      ],
      "uncertainty": {
        "schema": "rya587.uncertainty.v1",
        "scope": {
          "star": "solar",
          "product_key": "Fe|II|near-UV|kpno_solar_atlas|solar_kpno_kurucz2005_corrected|DEEPGRADED|DEEPGRADED|SYNTH|1D-LTE|our-deep-graded",
          "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729"
        },
        "components": [
          {
            "name": "measurement",
            "state": "MEASURED",
            "sigma_dex": 0.05229594181485818,
            "source": "per-line scatter of the accepted pool, band_products artifact",
            "evidence": {
              "method": "line_scatter",
              "independent": true,
              "n_lines": 12,
              "raw_sigma": 0.18115845650600024,
              "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729"
            }
          },
          {
            "name": "stellar.logg",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar log g is pinned; delta_logg is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.metallicity",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar [Fe/H] is pinned; delta_feh is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.teff",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "sourced DEFINED zero: no Teff perturbation has been run on this pool, and the derived response is immaterial at this budget's precision",
            "evidence": {
              "parameter_exists": true,
              "delta_K": 1.0,
              "derived_but_not_perturbed_dex": 0.000665,
              "derived_from": "uncertainty_stack 0.0665 dex/100 K x 1 K",
              "share_of_variance": "0.0004%",
              "owed_measurement": "a Teff perturbation on this pool"
            }
          },
          {
            "name": "pseudo_continuum",
            "state": "MEASURED",
            "sigma_dex": 0.070975,
            "source": "RYA-846 sigma_delta, measured at this band's product lines: Kitt Peak (Kurucz/Brault) vs Wallace+2011 (NSO), two independent reductions, deconfounded from Wallace's own internal scatter. Supersedes the RYA-1113/841 band-flat 0.100 allowance, which RYA-846 records as `assumed_term_dex` -- the number it was built to replace.",
            "evidence": {
              "band": "near-UV",
              "basis": "measured, two-reduction difference",
              "n_lines": 40,
              "n_lines_outside_wallace": 0,
              "raw_at_lines": 0.049380578903038624,
              "wallace_internal": 0.04071404004144703,
              "net_quadrature": 0.027942951102248863,
              "term_raw_dex": 0.125427,
              "term_net_dex": 0.070975,
              "lever": 2.54,
              "supersedes_assumed_dex": 0.1,
              "empirical_lower_bound": "RYA-846 states this measures reduction-to-reduction disagreement, not distance from an unobservable true continuum, so it is a LOWER bound",
              "lever_note": "the artifact's lever is 2.54 (RYA-841, 200 fits, +/-4% grid, p16 0.91 / p84 4.68); the directive said 2.42"
            }
          },
          {
            "name": "hfs_isotopes",
            "state": "N/A",
            "sigma_dex": null,
            "source": "every line in this pool has hfs_n_components == 1 (canonical_gf)",
            "evidence": {
              "hfs_n_components": [
                1
              ]
            }
          },
          {
            "name": "telluric",
            "state": "N/A",
            "sigma_dex": null,
            "source": "3000-3780 A contains no registered telluric band (pipeline.telluric_policy)",
            "evidence": {
              "window_A": [
                3000,
                3780
              ],
              "bands_in_window": 0
            }
          },
          {
            "name": "molecular_coupling",
            "state": "N/A",
            "sigma_dex": null,
            "source": "atomic Fe product; the selector is not a MOL- indicator set",
            "evidence": {
              "selector": "DEEPGRADED"
            }
          },
          {
            "name": "holding_instrument",
            "state": "MEASURED",
            "sigma_dex": 0.0,
            "source": "SynthesisHandler harness residual MEASURED against the known optical answer, not assumed zero (control/frontier rule)",
            "evidence": {
              "harness_residual_dex": 0.0
            }
          },
          {
            "name": "continuum",
            "state": "N/A",
            "sigma_dex": null,
            "source": "the per-line continuum fit carries no evidence to price -- continuum_method, continuum_ref and continuum_level are empty on every line in this pool -- and the band-level continuum PLACEMENT uncertainty is measured by RYA-846 and charged once, on pseudo_continuum.",
            "evidence": {
              "per_line_fields_empty": [
                "continuum_method",
                "continuum_ref",
                "continuum_level"
              ],
              "subsumed_by": "pseudo_continuum (RYA-846 measured, 0.070975 dex)",
              "not_double_counted": true,
              "withdrawn_floor_dex": 0.1075,
              "why_withdrawn": "it was the OBSERVED SPREAD BETWEEN THE TWO HOLDINGS, which prices each product from its sibling's answer, and it exceeded RYA-846's real measurement -- a bound where a measurement exists (Ryan, 2026-09-19: do not bound-fudge)",
              "holding_values": {
                "solar_kpno_kurucz2005_corrected": 7.617,
                "solar_kpno_molecfit_corrected": 7.402
              },
              "owed_refinement": "sigma_delta for Kurucz2005-vs-1984KP specifically, per ion -- RYA-846 compared Kitt Peak vs Wallace+2011. RYA-1133 recorded this as blocked on Fe II near-UV having no *_lines.csv; RYA-908 emitted them the same day and 14 are in the tree, so it is RUNNABLE, and it would refine rather than unblock -- the term is measured now."
            }
          },
          {
            "name": "model_atmosphere",
            "state": "DEFINED",
            "sigma_dex": 0.004,
            "source": "RYA-1032 atmosphere_nuisance: atlas9 -> marcs-ges, LTE, same pool",
            "evidence": {
              "bound": true,
              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.004,
              "n_hi": 67,
              "n_lo": 67,
              "same_pool": true,
              "varied": "atmosphere",
              "measured_band": "VIS",
              "grid_shift_lever_exists": true,
              "lever_is": "RYA-1032 atmosphere_nuisance: A(marcs-ges) 7.451 - A(atlas9) 7.447 = 0.004, one axis varied",
              "stagger_step_is_a_different_axis": {
                "step": "RYA-1032 dimensionality_step",
                "delta_dex": 0.101,
                "varied": "dim",
                "from": "marcs-ges (1D-LTE)",
                "to": "stagger-mean3d (<3D>-LTE)",
                "why_not_charged": "dimensionality, not grid choice -- the feed carries <3D> as its own treatment"
              }
            }
          },
          {
            "name": "profile_ew",
            "state": "DEFINED",
            "sigma_dex": 0.216,
            "source": "RYA-1220 fit half-width excursion, +/-0.25 A vs +/-1.1 A",
            "evidence": {
              "bound": true,
              "status": "systematic under development -- NOT demonstrably conservative",
              "delta_dex": 0.216,
              "measured_on": "N I 8216.336 A, solar_iag",
              "cross_element": true,
              "cross_band": true,
              "cross_holding": true,
              "source_artifact_says": "steps_are_adopted_uncertainties: false; status: diagnostic_only",
              "owed_measurement": "half-width sweep on the near-UV Fe pool at its own fixed +/-0.4 A"
            }
          },
          {
            "name": "blends",
            "state": "N/A",
            "sigma_dex": null,
            "source": "no un-modelled resolvable blends exist in this band: RYA-1190 measured the near-UV list to BE the full VALD extract ('nothing to complete'), and the opacity deficit it did find was corrected by RYA-1204 and wired into this synthesis by RYA-1207.",
            "evidence": {
              "rya1190_verdict": "the near-UV list IS the VALD extract -- nothing to complete; the residual was the OPACITY deficit, not catalogueable blends",
              "opacity_deficit_corrected_by": [
                "RYA-1204",
                "RYA-1207"
              ],
              "synthesis_is_post_correction": true,
              "limiting_term_is": "pseudo_continuum / normalization (RYA-841), measured by RYA-846",
              "withdrawn_bound_dex": 0.1721,
              "why_withdrawn": "RYA-1190's PRE-correction deficit. It measured the band before RYA-1204/1207; carrying it as a ceiling bills this product for an error the synthesis it ran on has already removed.",
              "withdrawn_alternative_dex": 0.028,
              "why_alternative_also_withdrawn": "also pre-correction -- it is how much a completeness build would have closed, and there is nothing left to complete"
            }
          },
          {
            "name": "nlte",
            "state": "N/A",
            "sigma_dex": null,
            "source": "this leg applies no departures: nlte_delta_dex is 0 on every line and nlte_source reads 'none -- LTE'",
            "evidence": {
              "nlte_delta_dex": 0.0
            }
          },
          {
            "name": "stellar.xi",
            "state": "MEASURED",
            "sigma_dex": 0.032032000000000005,
            "source": "per-line paired differential at xi 0.90/1.10 on this product's OWN pool, on the current molecular synthesis",
            "evidence": {
              "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729",
              "parameter_source": "RYA-1089 sourced solar delta_xi = 0.2912 km/s, the honest method+selection spread |0.709 - 1.0|",
              "response_assessment": "NOT ASSESSED: RYA-1213's published artifact retains only the central median for this pool and its legs are not in the committed tree, so per-side asymmetry cannot be measured here. Owed.",
              "signed_response_dex": -0.032032000000000005,
              "delta_plus_dex": -0.032032000000000005,
              "delta_minus_dex": 0.032032000000000005,
              "delta_parameter": 0.2912,
              "dA_dxi": -0.11,
              "delta_xi_kms": 0.2912,
              "parameter_exists": true
            }
          },
          {
            "name": "transition_data",
            "state": "MEASURED",
            "sigma_dex": 0.041666666666666664,
            "source": "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
            "evidence": {
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              "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729",
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          [
            0.0,
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            0.0,
            0.0,
            1.6e-05,
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          [
            0.0,
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            0.0,
            0.0,
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            0.046655999999999996,
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          [
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        ],
        "covariance_order": [
          "measurement",
          "stellar.logg",
          "stellar.metallicity",
          "stellar.teff",
          "pseudo_continuum",
          "holding_instrument",
          "model_atmosphere",
          "profile_ew",
          "stellar.xi",
          "transition_data"
        ],
        "covariance_source": "components treated as independent of one another; the within-component correlations (shared gf source) are carried inside transition_data's own covariance",
        "assumptions": "solar log g and [Fe/H] are pinned, so their responses are definitionally zero rather than unmeasured",
        "state": "COMPLETE",
        "holds": [],
        "sigma_reported": 0.2391787538440949,
        "sigma_measured_partial": 0.2391787538440949
      }
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.635,
      "sigma_stat": 0.0809,
      "sigma_syst": 0.1095,
      "n_lines": 7,
      "n_excluded": 5,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08086 dex at n_lines=7",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "2ad0db45ffcb84fb628236aef78a0f8c800e8c72613782e69052d81803321bd9",
        "artifact_mtime": "2026-09-09T13:45:54Z",
        "ingested_at": "2026-09-09T15:00:47Z"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.01456,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 7 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.05,
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.01456
      },
      "sigma_syst_complete": 0.110464,
      "sigma_reported": 0.2511638277230282,
      "sigma_reported_basis": "RYA-587 canonical total over all 16 contract components (RYA-1226). Supersedes the legacy quadrature, which charged four terms. See `uncertainty` for the component table; terms whose evidence is a bound carry evidence.bound = true.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "star": "solar",
      "uncertainty_indicator_ids": [
        "pk_9b85a1408c07",
        "pk_61d3f8242dfd",
        "pk_27a007d728be",
        "pk_611337302ff9",
        "pk_fcded4d4fa5c",
        "pk_2053f62ffef4",
        "pk_e5b09ba33ea8"
      ],
      "uncertainty": {
        "schema": "rya587.uncertainty.v1",
        "scope": {
          "star": "solar",
          "product_key": "Fe|II|near-UV|kpno_solar_atlas|solar_kpno_kurucz2005_corrected|DEEPGRADED|DEEPGRADED|SYNTH|ENGINE-A|our-deep-graded",
          "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3"
        },
        "components": [
          {
            "name": "measurement",
            "state": "MEASURED",
            "sigma_dex": 0.08085508158234135,
            "source": "per-line scatter of the accepted pool, band_products artifact",
            "evidence": {
              "method": "line_scatter",
              "independent": true,
              "n_lines": 7,
              "raw_sigma": 0.21392243810271408,
              "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3"
            }
          },
          {
            "name": "stellar.logg",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar log g is pinned; delta_logg is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.metallicity",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar [Fe/H] is pinned; delta_feh is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.teff",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "sourced DEFINED zero: no Teff perturbation has been run on this pool, and the derived response is immaterial at this budget's precision",
            "evidence": {
              "parameter_exists": true,
              "delta_K": 1.0,
              "derived_but_not_perturbed_dex": 0.000665,
              "derived_from": "uncertainty_stack 0.0665 dex/100 K x 1 K",
              "share_of_variance": "0.0004%",
              "owed_measurement": "a Teff perturbation on this pool"
            }
          },
          {
            "name": "pseudo_continuum",
            "state": "MEASURED",
            "sigma_dex": 0.070975,
            "source": "RYA-846 sigma_delta, measured at this band's product lines: Kitt Peak (Kurucz/Brault) vs Wallace+2011 (NSO), two independent reductions, deconfounded from Wallace's own internal scatter. Supersedes the RYA-1113/841 band-flat 0.100 allowance, which RYA-846 records as `assumed_term_dex` -- the number it was built to replace.",
            "evidence": {
              "band": "near-UV",
              "basis": "measured, two-reduction difference",
              "n_lines": 40,
              "n_lines_outside_wallace": 0,
              "raw_at_lines": 0.049380578903038624,
              "wallace_internal": 0.04071404004144703,
              "net_quadrature": 0.027942951102248863,
              "term_raw_dex": 0.125427,
              "term_net_dex": 0.070975,
              "lever": 2.54,
              "supersedes_assumed_dex": 0.1,
              "empirical_lower_bound": "RYA-846 states this measures reduction-to-reduction disagreement, not distance from an unobservable true continuum, so it is a LOWER bound",
              "lever_note": "the artifact's lever is 2.54 (RYA-841, 200 fits, +/-4% grid, p16 0.91 / p84 4.68); the directive said 2.42"
            }
          },
          {
            "name": "hfs_isotopes",
            "state": "N/A",
            "sigma_dex": null,
            "source": "every line in this pool has hfs_n_components == 1 (canonical_gf)",
            "evidence": {
              "hfs_n_components": [
                1
              ]
            }
          },
          {
            "name": "telluric",
            "state": "N/A",
            "sigma_dex": null,
            "source": "3000-3780 A contains no registered telluric band (pipeline.telluric_policy)",
            "evidence": {
              "window_A": [
                3000,
                3780
              ],
              "bands_in_window": 0
            }
          },
          {
            "name": "molecular_coupling",
            "state": "N/A",
            "sigma_dex": null,
            "source": "atomic Fe product; the selector is not a MOL- indicator set",
            "evidence": {
              "selector": "DEEPGRADED"
            }
          },
          {
            "name": "holding_instrument",
            "state": "MEASURED",
            "sigma_dex": 0.0,
            "source": "SynthesisHandler harness residual MEASURED against the known optical answer, not assumed zero (control/frontier rule)",
            "evidence": {
              "harness_residual_dex": 0.0
            }
          },
          {
            "name": "continuum",
            "state": "N/A",
            "sigma_dex": null,
            "source": "the per-line continuum fit carries no evidence to price -- continuum_method, continuum_ref and continuum_level are empty on every line in this pool -- and the band-level continuum PLACEMENT uncertainty is measured by RYA-846 and charged once, on pseudo_continuum.",
            "evidence": {
              "per_line_fields_empty": [
                "continuum_method",
                "continuum_ref",
                "continuum_level"
              ],
              "subsumed_by": "pseudo_continuum (RYA-846 measured, 0.070975 dex)",
              "not_double_counted": true,
              "withdrawn_floor_dex": 0.1155,
              "why_withdrawn": "it was the OBSERVED SPREAD BETWEEN THE TWO HOLDINGS, which prices each product from its sibling's answer, and it exceeded RYA-846's real measurement -- a bound where a measurement exists (Ryan, 2026-09-19: do not bound-fudge)",
              "holding_values": {
                "solar_kpno_kurucz2005_corrected": 7.635,
                "solar_kpno_molecfit_corrected": 7.404
              },
              "owed_refinement": "sigma_delta for Kurucz2005-vs-1984KP specifically, per ion -- RYA-846 compared Kitt Peak vs Wallace+2011. RYA-1133 recorded this as blocked on Fe II near-UV having no *_lines.csv; RYA-908 emitted them the same day and 14 are in the tree, so it is RUNNABLE, and it would refine rather than unblock -- the term is measured now."
            }
          },
          {
            "name": "model_atmosphere",
            "state": "DEFINED",
            "sigma_dex": 0.004,
            "source": "RYA-1032 atmosphere_nuisance: atlas9 -> marcs-ges, LTE, same pool",
            "evidence": {
              "bound": true,
              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.004,
              "n_hi": 67,
              "n_lo": 67,
              "same_pool": true,
              "varied": "atmosphere",
              "measured_band": "VIS",
              "grid_shift_lever_exists": true,
              "lever_is": "RYA-1032 atmosphere_nuisance: A(marcs-ges) 7.451 - A(atlas9) 7.447 = 0.004, one axis varied",
              "stagger_step_is_a_different_axis": {
                "step": "RYA-1032 dimensionality_step",
                "delta_dex": 0.101,
                "varied": "dim",
                "from": "marcs-ges (1D-LTE)",
                "to": "stagger-mean3d (<3D>-LTE)",
                "why_not_charged": "dimensionality, not grid choice -- the feed carries <3D> as its own treatment"
              }
            }
          },
          {
            "name": "profile_ew",
            "state": "DEFINED",
            "sigma_dex": 0.216,
            "source": "RYA-1220 fit half-width excursion, +/-0.25 A vs +/-1.1 A",
            "evidence": {
              "bound": true,
              "status": "systematic under development -- NOT demonstrably conservative",
              "delta_dex": 0.216,
              "measured_on": "N I 8216.336 A, solar_iag",
              "cross_element": true,
              "cross_band": true,
              "cross_holding": true,
              "source_artifact_says": "steps_are_adopted_uncertainties: false; status: diagnostic_only",
              "owed_measurement": "half-width sweep on the near-UV Fe pool at its own fixed +/-0.4 A"
            }
          },
          {
            "name": "blends",
            "state": "N/A",
            "sigma_dex": null,
            "source": "no un-modelled resolvable blends exist in this band: RYA-1190 measured the near-UV list to BE the full VALD extract ('nothing to complete'), and the opacity deficit it did find was corrected by RYA-1204 and wired into this synthesis by RYA-1207.",
            "evidence": {
              "rya1190_verdict": "the near-UV list IS the VALD extract -- nothing to complete; the residual was the OPACITY deficit, not catalogueable blends",
              "opacity_deficit_corrected_by": [
                "RYA-1204",
                "RYA-1207"
              ],
              "synthesis_is_post_correction": true,
              "limiting_term_is": "pseudo_continuum / normalization (RYA-841), measured by RYA-846",
              "withdrawn_bound_dex": 0.1721,
              "why_withdrawn": "RYA-1190's PRE-correction deficit. It measured the band before RYA-1204/1207; carrying it as a ceiling bills this product for an error the synthesis it ran on has already removed.",
              "withdrawn_alternative_dex": 0.028,
              "why_alternative_also_withdrawn": "also pre-correction -- it is how much a completeness build would have closed, and there is nothing left to complete"
            }
          },
          {
            "name": "nlte",
            "state": "DEFINED",
            "sigma_dex": 0.043,
            "source": "RYA-1032 model_family_spread (Gerber - Bergemann, 1D-NLTE)",
            "evidence": {
              "bound": true,
              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.043,
              "deconfounded_dex": 0.039,
              "varied": "family",
              "measured_band": "VIS",
              "owed_measurement": "the Gerber/Bergemann disagreement on the near-UV pool itself"
            }
          },
          {
            "name": "stellar.xi",
            "state": "MEASURED",
            "sigma_dex": 0.032032000000000005,
            "source": "per-line paired differential at xi 0.90/1.10 on this product's OWN pool, on the current molecular synthesis",
            "evidence": {
              "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3",
              "parameter_source": "RYA-1089 sourced solar delta_xi = 0.2912 km/s, the honest method+selection spread |0.709 - 1.0|",
              "response_assessment": "NOT ASSESSED: RYA-1213's published artifact retains only the central median for this pool and its legs are not in the committed tree, so per-side asymmetry cannot be measured here. Owed.",
              "signed_response_dex": -0.032032000000000005,
              "delta_plus_dex": -0.032032000000000005,
              "delta_minus_dex": 0.032032000000000005,
              "delta_parameter": 0.2912,
              "dA_dxi": -0.11,
              "delta_xi_kms": 0.2912,
              "parameter_exists": true
            }
          },
          {
            "name": "transition_data",
            "state": "MEASURED",
            "sigma_dex": 0.04428571428571428,
            "source": "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
            "evidence": {
              "indicator_ids": [
                "pk_9b85a1408c07",
                "pk_61d3f8242dfd",
                "pk_27a007d728be",
                "pk_611337302ff9",
                "pk_fcded4d4fa5c",
                "pk_2053f62ffef4",
                "pk_e5b09ba33ea8"
              ],
              "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3",
              "line_sigma_dex": [
                0.07,
                0.04,
                0.03,
                0.03,
                0.03,
                0.03,
                0.08
              ],
              "weights": [
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285
              ],
              "line_sources": [
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)"
              ],
              "covariance": [
                [
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                  0.0028000000000000004,
                  0.0021000000000000003,
                  0.0021000000000000003,
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        "covariance": [
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        "covariance_order": [
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          "stellar.logg",
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          "pseudo_continuum",
          "holding_instrument",
          "model_atmosphere",
          "profile_ew",
          "nlte",
          "stellar.xi",
          "transition_data"
        ],
        "covariance_source": "components treated as independent of one another; the within-component correlations (shared gf source) are carried inside transition_data's own covariance",
        "assumptions": "solar log g and [Fe/H] are pinned, so their responses are definitionally zero rather than unmeasured",
        "state": "COMPLETE",
        "holds": [],
        "sigma_reported": 0.2511638277230282,
        "sigma_measured_partial": 0.2511638277230282
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    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.622,
      "sigma_stat": 0.0527,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05275 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/rya1208/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "126a3205071753ae8e32c4fc3cd61d75649486ed0048f13bc24cd14b5f6f0b6b",
        "artifact_mtime": "2026-09-10T22:09:24Z",
        "ingested_at": "2026-09-10T22:10:07Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.02548,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0875 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.02548
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      "sigma_syst_complete": 0.112425,
      "sigma_reported": 0.124164,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.0875
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.617,
      "sigma_stat": 0.0523,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05230 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "8cea06b3de8f4674f207aade6ceea223a59e50930bddc6abcbb85cfc6d221e18",
        "artifact_mtime": "2026-09-12T04:08:59Z",
        "ingested_at": "2026-09-12T04:09:00Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.032032,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1100 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.032032
      },
      "sigma_syst_complete": 0.114089,
      "sigma_reported": 0.125505,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.11
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.635,
      "sigma_stat": 0.0809,
      "sigma_syst": 0.1095,
      "n_lines": 7,
      "n_excluded": 5,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08086 dex at n_lines=7",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "2ad0db45ffcb84fb628236aef78a0f8c800e8c72613782e69052d81803321bd9",
        "artifact_mtime": "2026-09-12T04:08:59Z",
        "ingested_at": "2026-09-12T04:09:00Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.030576,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1050 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 7 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.030576
      },
      "sigma_syst_complete": 0.113689,
      "sigma_reported": 0.139535,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.105
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.621,
      "sigma_stat": 0.0525,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05245 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "32fd9cc53109d819082bbbe7491bb37ec5fe541c60a2b0f98cef3b2b3a2dd066",
        "artifact_mtime": "2026-09-12T04:08:59Z",
        "ingested_at": "2026-09-12T04:09:00Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.02548,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0875 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.02548
      },
      "sigma_syst_complete": 0.112425,
      "sigma_reported": 0.124079,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.0875
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.402,
      "sigma_stat": 0.0472,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.04717 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "c3348c68cc736fd9c46405d9baf7cbc753e40afb251103951b272eac4875a933",
        "artifact_mtime": "2026-09-09T13:55:06Z",
        "ingested_at": "2026-09-09T15:00:47Z"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.017472,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0600 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.06,
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.017472
      },
      "sigma_syst_complete": 0.110885,
      "sigma_reported": 0.23811028904692483,
      "sigma_reported_basis": "RYA-587 canonical total over all 16 contract components (RYA-1226). Supersedes the legacy quadrature, which charged four terms. See `uncertainty` for the component table; terms whose evidence is a bound carry evidence.bound = true.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "star": "solar",
      "uncertainty_indicator_ids": [
        "pk_6e41a12859a1",
        "pk_9b85a1408c07",
        "pk_61d3f8242dfd",
        "pk_27a007d728be",
        "pk_49532a81af69",
        "pk_660af6efd93e",
        "pk_611337302ff9",
        "pk_47f70269ac75",
        "pk_fcded4d4fa5c",
        "pk_2053f62ffef4",
        "pk_ecdfa7d10bb4",
        "pk_e5b09ba33ea8"
      ],
      "uncertainty": {
        "schema": "rya587.uncertainty.v1",
        "scope": {
          "star": "solar",
          "product_key": "Fe|II|near-UV|kpno_solar_atlas|solar_kpno_molecfit_corrected|DEEPGRADED|DEEPGRADED|SYNTH|1D-LTE|our-deep-graded",
          "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729"
        },
        "components": [
          {
            "name": "measurement",
            "state": "MEASURED",
            "sigma_dex": 0.04716883494320151,
            "source": "per-line scatter of the accepted pool, band_products artifact",
            "evidence": {
              "method": "line_scatter",
              "independent": true,
              "n_lines": 12,
              "raw_sigma": 0.1633976373109105,
              "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729"
            }
          },
          {
            "name": "stellar.logg",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar log g is pinned; delta_logg is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.metallicity",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar [Fe/H] is pinned; delta_feh is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.teff",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "sourced DEFINED zero: no Teff perturbation has been run on this pool, and the derived response is immaterial at this budget's precision",
            "evidence": {
              "parameter_exists": true,
              "delta_K": 1.0,
              "derived_but_not_perturbed_dex": 0.000665,
              "derived_from": "uncertainty_stack 0.0665 dex/100 K x 1 K",
              "share_of_variance": "0.0004%",
              "owed_measurement": "a Teff perturbation on this pool"
            }
          },
          {
            "name": "pseudo_continuum",
            "state": "MEASURED",
            "sigma_dex": 0.070975,
            "source": "RYA-846 sigma_delta, measured at this band's product lines: Kitt Peak (Kurucz/Brault) vs Wallace+2011 (NSO), two independent reductions, deconfounded from Wallace's own internal scatter. Supersedes the RYA-1113/841 band-flat 0.100 allowance, which RYA-846 records as `assumed_term_dex` -- the number it was built to replace.",
            "evidence": {
              "band": "near-UV",
              "basis": "measured, two-reduction difference",
              "n_lines": 40,
              "n_lines_outside_wallace": 0,
              "raw_at_lines": 0.049380578903038624,
              "wallace_internal": 0.04071404004144703,
              "net_quadrature": 0.027942951102248863,
              "term_raw_dex": 0.125427,
              "term_net_dex": 0.070975,
              "lever": 2.54,
              "supersedes_assumed_dex": 0.1,
              "empirical_lower_bound": "RYA-846 states this measures reduction-to-reduction disagreement, not distance from an unobservable true continuum, so it is a LOWER bound",
              "lever_note": "the artifact's lever is 2.54 (RYA-841, 200 fits, +/-4% grid, p16 0.91 / p84 4.68); the directive said 2.42"
            }
          },
          {
            "name": "hfs_isotopes",
            "state": "N/A",
            "sigma_dex": null,
            "source": "every line in this pool has hfs_n_components == 1 (canonical_gf)",
            "evidence": {
              "hfs_n_components": [
                1
              ]
            }
          },
          {
            "name": "telluric",
            "state": "N/A",
            "sigma_dex": null,
            "source": "3000-3780 A contains no registered telluric band (pipeline.telluric_policy)",
            "evidence": {
              "window_A": [
                3000,
                3780
              ],
              "bands_in_window": 0
            }
          },
          {
            "name": "molecular_coupling",
            "state": "N/A",
            "sigma_dex": null,
            "source": "atomic Fe product; the selector is not a MOL- indicator set",
            "evidence": {
              "selector": "DEEPGRADED"
            }
          },
          {
            "name": "holding_instrument",
            "state": "MEASURED",
            "sigma_dex": 0.0,
            "source": "SynthesisHandler harness residual MEASURED against the known optical answer, not assumed zero (control/frontier rule)",
            "evidence": {
              "harness_residual_dex": 0.0
            }
          },
          {
            "name": "continuum",
            "state": "N/A",
            "sigma_dex": null,
            "source": "the per-line continuum fit carries no evidence to price -- continuum_method, continuum_ref and continuum_level are empty on every line in this pool -- and the band-level continuum PLACEMENT uncertainty is measured by RYA-846 and charged once, on pseudo_continuum.",
            "evidence": {
              "per_line_fields_empty": [
                "continuum_method",
                "continuum_ref",
                "continuum_level"
              ],
              "subsumed_by": "pseudo_continuum (RYA-846 measured, 0.070975 dex)",
              "not_double_counted": true,
              "withdrawn_floor_dex": 0.1075,
              "why_withdrawn": "it was the OBSERVED SPREAD BETWEEN THE TWO HOLDINGS, which prices each product from its sibling's answer, and it exceeded RYA-846's real measurement -- a bound where a measurement exists (Ryan, 2026-09-19: do not bound-fudge)",
              "holding_values": {
                "solar_kpno_kurucz2005_corrected": 7.617,
                "solar_kpno_molecfit_corrected": 7.402
              },
              "owed_refinement": "sigma_delta for Kurucz2005-vs-1984KP specifically, per ion -- RYA-846 compared Kitt Peak vs Wallace+2011. RYA-1133 recorded this as blocked on Fe II near-UV having no *_lines.csv; RYA-908 emitted them the same day and 14 are in the tree, so it is RUNNABLE, and it would refine rather than unblock -- the term is measured now."
            }
          },
          {
            "name": "model_atmosphere",
            "state": "DEFINED",
            "sigma_dex": 0.004,
            "source": "RYA-1032 atmosphere_nuisance: atlas9 -> marcs-ges, LTE, same pool",
            "evidence": {
              "bound": true,
              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.004,
              "n_hi": 67,
              "n_lo": 67,
              "same_pool": true,
              "varied": "atmosphere",
              "measured_band": "VIS",
              "grid_shift_lever_exists": true,
              "lever_is": "RYA-1032 atmosphere_nuisance: A(marcs-ges) 7.451 - A(atlas9) 7.447 = 0.004, one axis varied",
              "stagger_step_is_a_different_axis": {
                "step": "RYA-1032 dimensionality_step",
                "delta_dex": 0.101,
                "varied": "dim",
                "from": "marcs-ges (1D-LTE)",
                "to": "stagger-mean3d (<3D>-LTE)",
                "why_not_charged": "dimensionality, not grid choice -- the feed carries <3D> as its own treatment"
              }
            }
          },
          {
            "name": "profile_ew",
            "state": "DEFINED",
            "sigma_dex": 0.216,
            "source": "RYA-1220 fit half-width excursion, +/-0.25 A vs +/-1.1 A",
            "evidence": {
              "bound": true,
              "status": "systematic under development -- NOT demonstrably conservative",
              "delta_dex": 0.216,
              "measured_on": "N I 8216.336 A, solar_iag",
              "cross_element": true,
              "cross_band": true,
              "cross_holding": true,
              "source_artifact_says": "steps_are_adopted_uncertainties: false; status: diagnostic_only",
              "owed_measurement": "half-width sweep on the near-UV Fe pool at its own fixed +/-0.4 A"
            }
          },
          {
            "name": "blends",
            "state": "N/A",
            "sigma_dex": null,
            "source": "no un-modelled resolvable blends exist in this band: RYA-1190 measured the near-UV list to BE the full VALD extract ('nothing to complete'), and the opacity deficit it did find was corrected by RYA-1204 and wired into this synthesis by RYA-1207.",
            "evidence": {
              "rya1190_verdict": "the near-UV list IS the VALD extract -- nothing to complete; the residual was the OPACITY deficit, not catalogueable blends",
              "opacity_deficit_corrected_by": [
                "RYA-1204",
                "RYA-1207"
              ],
              "synthesis_is_post_correction": true,
              "limiting_term_is": "pseudo_continuum / normalization (RYA-841), measured by RYA-846",
              "withdrawn_bound_dex": 0.1721,
              "why_withdrawn": "RYA-1190's PRE-correction deficit. It measured the band before RYA-1204/1207; carrying it as a ceiling bills this product for an error the synthesis it ran on has already removed.",
              "withdrawn_alternative_dex": 0.028,
              "why_alternative_also_withdrawn": "also pre-correction -- it is how much a completeness build would have closed, and there is nothing left to complete"
            }
          },
          {
            "name": "nlte",
            "state": "N/A",
            "sigma_dex": null,
            "source": "this leg applies no departures: nlte_delta_dex is 0 on every line and nlte_source reads 'none -- LTE'",
            "evidence": {
              "nlte_delta_dex": 0.0
            }
          },
          {
            "name": "stellar.xi",
            "state": "MEASURED",
            "sigma_dex": 0.032032000000000005,
            "source": "per-line paired differential at xi 0.90/1.10 on this product's OWN pool, on the current molecular synthesis",
            "evidence": {
              "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729",
              "parameter_source": "RYA-1089 sourced solar delta_xi = 0.2912 km/s, the honest method+selection spread |0.709 - 1.0|",
              "response_assessment": "NOT ASSESSED: as for kurucz2005 -- RYA-1213 publishes only the central median.",
              "signed_response_dex": -0.032032000000000005,
              "delta_plus_dex": -0.032032000000000005,
              "delta_minus_dex": 0.032032000000000005,
              "delta_parameter": 0.2912,
              "dA_dxi": -0.11,
              "delta_xi_kms": 0.2912,
              "parameter_exists": true
            }
          },
          {
            "name": "transition_data",
            "state": "MEASURED",
            "sigma_dex": 0.041666666666666664,
            "source": "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
            "evidence": {
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              "pool_sha256": "52f79bece19c7013d6d5e07cb54917186bc9ff06fa73967e922c09eba21ed729",
              "line_sigma_dex": [
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              "line_sources": [
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                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)"
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        "required_extra": [],
        "covariance": [
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        "covariance_order": [
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          "profile_ew",
          "stellar.xi",
          "transition_data"
        ],
        "covariance_source": "components treated as independent of one another; the within-component correlations (shared gf source) are carried inside transition_data's own covariance",
        "assumptions": "solar log g and [Fe/H] are pinned, so their responses are definitionally zero rather than unmeasured",
        "state": "COMPLETE",
        "holds": [],
        "sigma_reported": 0.23811028904692483,
        "sigma_measured_partial": 0.23811028904692483
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    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.404,
      "sigma_stat": 0.0511,
      "sigma_syst": 0.1095,
      "n_lines": 7,
      "n_excluded": 5,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05107 dex at n_lines=7",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "8713fcceeb9ce28d5e5a5e9bbbe8bf3602ce18acbfeab86d9837208916485c99",
        "artifact_mtime": "2026-09-09T13:55:19Z",
        "ingested_at": "2026-09-09T15:00:47Z"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.011648,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0400 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 7 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.04,
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.011648
      },
      "sigma_syst_complete": 0.110118,
      "sigma_reported": 0.24321517653711408,
      "sigma_reported_basis": "RYA-587 canonical total over all 16 contract components (RYA-1226). Supersedes the legacy quadrature, which charged four terms. See `uncertainty` for the component table; terms whose evidence is a bound carry evidence.bound = true.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "star": "solar",
      "uncertainty_indicator_ids": [
        "pk_9b85a1408c07",
        "pk_61d3f8242dfd",
        "pk_27a007d728be",
        "pk_611337302ff9",
        "pk_fcded4d4fa5c",
        "pk_2053f62ffef4",
        "pk_e5b09ba33ea8"
      ],
      "uncertainty": {
        "schema": "rya587.uncertainty.v1",
        "scope": {
          "star": "solar",
          "product_key": "Fe|II|near-UV|kpno_solar_atlas|solar_kpno_molecfit_corrected|DEEPGRADED|DEEPGRADED|SYNTH|ENGINE-A|our-deep-graded",
          "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3"
        },
        "components": [
          {
            "name": "measurement",
            "state": "MEASURED",
            "sigma_dex": 0.051067582272745875,
            "source": "per-line scatter of the accepted pool, band_products artifact",
            "evidence": {
              "method": "line_scatter",
              "independent": true,
              "n_lines": 7,
              "raw_sigma": 0.13511212275101625,
              "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3"
            }
          },
          {
            "name": "stellar.logg",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar log g is pinned; delta_logg is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.metallicity",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar [Fe/H] is pinned; delta_feh is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.teff",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "sourced DEFINED zero: no Teff perturbation has been run on this pool, and the derived response is immaterial at this budget's precision",
            "evidence": {
              "parameter_exists": true,
              "delta_K": 1.0,
              "derived_but_not_perturbed_dex": 0.000665,
              "derived_from": "uncertainty_stack 0.0665 dex/100 K x 1 K",
              "share_of_variance": "0.0004%",
              "owed_measurement": "a Teff perturbation on this pool"
            }
          },
          {
            "name": "pseudo_continuum",
            "state": "MEASURED",
            "sigma_dex": 0.070975,
            "source": "RYA-846 sigma_delta, measured at this band's product lines: Kitt Peak (Kurucz/Brault) vs Wallace+2011 (NSO), two independent reductions, deconfounded from Wallace's own internal scatter. Supersedes the RYA-1113/841 band-flat 0.100 allowance, which RYA-846 records as `assumed_term_dex` -- the number it was built to replace.",
            "evidence": {
              "band": "near-UV",
              "basis": "measured, two-reduction difference",
              "n_lines": 40,
              "n_lines_outside_wallace": 0,
              "raw_at_lines": 0.049380578903038624,
              "wallace_internal": 0.04071404004144703,
              "net_quadrature": 0.027942951102248863,
              "term_raw_dex": 0.125427,
              "term_net_dex": 0.070975,
              "lever": 2.54,
              "supersedes_assumed_dex": 0.1,
              "empirical_lower_bound": "RYA-846 states this measures reduction-to-reduction disagreement, not distance from an unobservable true continuum, so it is a LOWER bound",
              "lever_note": "the artifact's lever is 2.54 (RYA-841, 200 fits, +/-4% grid, p16 0.91 / p84 4.68); the directive said 2.42"
            }
          },
          {
            "name": "hfs_isotopes",
            "state": "N/A",
            "sigma_dex": null,
            "source": "every line in this pool has hfs_n_components == 1 (canonical_gf)",
            "evidence": {
              "hfs_n_components": [
                1
              ]
            }
          },
          {
            "name": "telluric",
            "state": "N/A",
            "sigma_dex": null,
            "source": "3000-3780 A contains no registered telluric band (pipeline.telluric_policy)",
            "evidence": {
              "window_A": [
                3000,
                3780
              ],
              "bands_in_window": 0
            }
          },
          {
            "name": "molecular_coupling",
            "state": "N/A",
            "sigma_dex": null,
            "source": "atomic Fe product; the selector is not a MOL- indicator set",
            "evidence": {
              "selector": "DEEPGRADED"
            }
          },
          {
            "name": "holding_instrument",
            "state": "MEASURED",
            "sigma_dex": 0.0,
            "source": "SynthesisHandler harness residual MEASURED against the known optical answer, not assumed zero (control/frontier rule)",
            "evidence": {
              "harness_residual_dex": 0.0
            }
          },
          {
            "name": "continuum",
            "state": "N/A",
            "sigma_dex": null,
            "source": "the per-line continuum fit carries no evidence to price -- continuum_method, continuum_ref and continuum_level are empty on every line in this pool -- and the band-level continuum PLACEMENT uncertainty is measured by RYA-846 and charged once, on pseudo_continuum.",
            "evidence": {
              "per_line_fields_empty": [
                "continuum_method",
                "continuum_ref",
                "continuum_level"
              ],
              "subsumed_by": "pseudo_continuum (RYA-846 measured, 0.070975 dex)",
              "not_double_counted": true,
              "withdrawn_floor_dex": 0.1155,
              "why_withdrawn": "it was the OBSERVED SPREAD BETWEEN THE TWO HOLDINGS, which prices each product from its sibling's answer, and it exceeded RYA-846's real measurement -- a bound where a measurement exists (Ryan, 2026-09-19: do not bound-fudge)",
              "holding_values": {
                "solar_kpno_kurucz2005_corrected": 7.635,
                "solar_kpno_molecfit_corrected": 7.404
              },
              "owed_refinement": "sigma_delta for Kurucz2005-vs-1984KP specifically, per ion -- RYA-846 compared Kitt Peak vs Wallace+2011. RYA-1133 recorded this as blocked on Fe II near-UV having no *_lines.csv; RYA-908 emitted them the same day and 14 are in the tree, so it is RUNNABLE, and it would refine rather than unblock -- the term is measured now."
            }
          },
          {
            "name": "model_atmosphere",
            "state": "DEFINED",
            "sigma_dex": 0.004,
            "source": "RYA-1032 atmosphere_nuisance: atlas9 -> marcs-ges, LTE, same pool",
            "evidence": {
              "bound": true,
              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.004,
              "n_hi": 67,
              "n_lo": 67,
              "same_pool": true,
              "varied": "atmosphere",
              "measured_band": "VIS",
              "grid_shift_lever_exists": true,
              "lever_is": "RYA-1032 atmosphere_nuisance: A(marcs-ges) 7.451 - A(atlas9) 7.447 = 0.004, one axis varied",
              "stagger_step_is_a_different_axis": {
                "step": "RYA-1032 dimensionality_step",
                "delta_dex": 0.101,
                "varied": "dim",
                "from": "marcs-ges (1D-LTE)",
                "to": "stagger-mean3d (<3D>-LTE)",
                "why_not_charged": "dimensionality, not grid choice -- the feed carries <3D> as its own treatment"
              }
            }
          },
          {
            "name": "profile_ew",
            "state": "DEFINED",
            "sigma_dex": 0.216,
            "source": "RYA-1220 fit half-width excursion, +/-0.25 A vs +/-1.1 A",
            "evidence": {
              "bound": true,
              "status": "systematic under development -- NOT demonstrably conservative",
              "delta_dex": 0.216,
              "measured_on": "N I 8216.336 A, solar_iag",
              "cross_element": true,
              "cross_band": true,
              "cross_holding": true,
              "source_artifact_says": "steps_are_adopted_uncertainties: false; status: diagnostic_only",
              "owed_measurement": "half-width sweep on the near-UV Fe pool at its own fixed +/-0.4 A"
            }
          },
          {
            "name": "blends",
            "state": "N/A",
            "sigma_dex": null,
            "source": "no un-modelled resolvable blends exist in this band: RYA-1190 measured the near-UV list to BE the full VALD extract ('nothing to complete'), and the opacity deficit it did find was corrected by RYA-1204 and wired into this synthesis by RYA-1207.",
            "evidence": {
              "rya1190_verdict": "the near-UV list IS the VALD extract -- nothing to complete; the residual was the OPACITY deficit, not catalogueable blends",
              "opacity_deficit_corrected_by": [
                "RYA-1204",
                "RYA-1207"
              ],
              "synthesis_is_post_correction": true,
              "limiting_term_is": "pseudo_continuum / normalization (RYA-841), measured by RYA-846",
              "withdrawn_bound_dex": 0.1721,
              "why_withdrawn": "RYA-1190's PRE-correction deficit. It measured the band before RYA-1204/1207; carrying it as a ceiling bills this product for an error the synthesis it ran on has already removed.",
              "withdrawn_alternative_dex": 0.028,
              "why_alternative_also_withdrawn": "also pre-correction -- it is how much a completeness build would have closed, and there is nothing left to complete"
            }
          },
          {
            "name": "nlte",
            "state": "DEFINED",
            "sigma_dex": 0.043,
            "source": "RYA-1032 model_family_spread (Gerber - Bergemann, 1D-NLTE)",
            "evidence": {
              "bound": true,
              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.043,
              "deconfounded_dex": 0.039,
              "varied": "family",
              "measured_band": "VIS",
              "owed_measurement": "the Gerber/Bergemann disagreement on the near-UV pool itself"
            }
          },
          {
            "name": "stellar.xi",
            "state": "MEASURED",
            "sigma_dex": 0.032032000000000005,
            "source": "per-line paired differential at xi 0.90/1.10 on this product's OWN pool, on the current molecular synthesis",
            "evidence": {
              "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3",
              "parameter_source": "RYA-1089 sourced solar delta_xi = 0.2912 km/s, the honest method+selection spread |0.709 - 1.0|",
              "response_assessment": "NOT ASSESSED: as for kurucz2005 -- RYA-1213 publishes only the central median.",
              "signed_response_dex": -0.032032000000000005,
              "delta_plus_dex": -0.032032000000000005,
              "delta_minus_dex": 0.032032000000000005,
              "delta_parameter": 0.2912,
              "dA_dxi": -0.11,
              "delta_xi_kms": 0.2912,
              "parameter_exists": true
            }
          },
          {
            "name": "transition_data",
            "state": "MEASURED",
            "sigma_dex": 0.04428571428571428,
            "source": "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
            "evidence": {
              "indicator_ids": [
                "pk_9b85a1408c07",
                "pk_61d3f8242dfd",
                "pk_27a007d728be",
                "pk_611337302ff9",
                "pk_fcded4d4fa5c",
                "pk_2053f62ffef4",
                "pk_e5b09ba33ea8"
              ],
              "pool_sha256": "c2d7518c2a96d7819f6e6e3de3f4e0ee4fde96af53f403bbcf7e57565d196fb3",
              "line_sigma_dex": [
                0.07,
                0.04,
                0.03,
                0.03,
                0.03,
                0.03,
                0.08
              ],
              "weights": [
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285,
                0.14285714285714285
              ],
              "line_sources": [
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)"
              ],
              "covariance": [
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                [
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                [
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        "required_extra": [],
        "covariance": [
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          [
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          [
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          [
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          [
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          [
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          [
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        ],
        "covariance_order": [
          "measurement",
          "stellar.logg",
          "stellar.metallicity",
          "stellar.teff",
          "pseudo_continuum",
          "holding_instrument",
          "model_atmosphere",
          "profile_ew",
          "nlte",
          "stellar.xi",
          "transition_data"
        ],
        "covariance_source": "components treated as independent of one another; the within-component correlations (shared gf source) are carried inside transition_data's own covariance",
        "assumptions": "solar log g and [Fe/H] are pinned, so their responses are definitionally zero rather than unmeasured",
        "state": "COMPLETE",
        "holds": [],
        "sigma_reported": 0.24321517653711408,
        "sigma_measured_partial": 0.24321517653711408
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    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.422,
      "sigma_stat": 0.0455,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.04553 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/rya1208/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "156ff93c19a18d0a787c574a4d76f77a82d8692eaf89030eed31f182f9b57a35",
        "artifact_mtime": "2026-09-10T22:09:24Z",
        "ingested_at": "2026-09-10T22:10:07Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.042952,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1475 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.042952
      },
      "sigma_syst_complete": 0.117623,
      "sigma_reported": 0.126117,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1475
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.402,
      "sigma_stat": 0.0472,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.04717 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "c3348c68cc736fd9c46405d9baf7cbc753e40afb251103951b272eac4875a933",
        "artifact_mtime": "2026-09-12T04:08:59Z",
        "ingested_at": "2026-09-12T04:09:01Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.035672,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1225 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.035672
      },
      "sigma_syst_complete": 0.115164,
      "sigma_reported": 0.124461,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1225
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.404,
      "sigma_stat": 0.0511,
      "sigma_syst": 0.1095,
      "n_lines": 7,
      "n_excluded": 5,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05107 dex at n_lines=7",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "8713fcceeb9ce28d5e5a5e9bbbe8bf3602ce18acbfeab86d9837208916485c99",
        "artifact_mtime": "2026-09-12T04:08:59Z",
        "ingested_at": "2026-09-12T04:09:01Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.032032,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1100 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 7 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.032032
      },
      "sigma_syst_complete": 0.114089,
      "sigma_reported": 0.12501,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.11
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.415,
      "sigma_stat": 0.0451,
      "sigma_syst": 0.1095,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.04508 dex at n_lines=12",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "6a468d6e98ea217725f321401c7ed9c8f87ca841040ba6925a65bb5c41c3e201",
        "artifact_mtime": "2026-09-12T04:08:59Z",
        "ingested_at": "2026-09-12T04:09:01Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.042952,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1475 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1095,
        "sigma_xi": 0.042952
      },
      "sigma_syst_complete": 0.117623,
      "sigma_reported": 0.125973,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1475
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "H",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_h_rya1094",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.552,
      "sigma_stat": 0.0874,
      "sigma_syst": 0.0716,
      "n_lines": 20,
      "n_excluded": 3,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08737 dex at n_lines=20",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_GRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_GRADED_products.csv",
        "sha256": "1db10a7014f20676045afdcc52805dc6ff7e9848957202379c5291dce11c1246",
        "artifact_mtime": "2026-09-08T04:29:50Z",
        "ingested_at": "2026-09-08T18:51:47Z"
      },
      "atlas": "CRIRES+ Elgueta+2026 solar H arm, 15007.11-17493.69 A (RYA-1094)",
      "telluric_state": "corrected: cr2res + molecfit; inherits RYA-794's telluric verdict for the Elgueta reduced spectra, re-verified per line in RYA-1191 (25/25 graded lines, none a residual)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        15009.0,
        17491.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.03276,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1125 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 20 of its 20 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (1db10a7014f2), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0716,
        "sigma_xi": 0.03276
      },
      "sigma_syst_complete": 0.078739,
      "sigma_reported": 0.117638,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-1094: the Elgueta+2026 solar H arm, 15007.11-17493.69 A, 40559 rows, built from sp/Sun_H_rv.dat by the SAME normaliser as the RYA-794/1054 Y products (scripts/normalize_vesta_ir.py --arm H). Only the arm differs, so it inherits RYA-794's telluric verdict for the Elgueta reduced spectra unchanged. UNIT+MEDIUM VERIFIED AGAINST A CONTROL, not assumed: sp/ wavelength is labelled 0.1nm in the ReadM",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1125
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "H",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_h_rya1094",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.549,
      "sigma_stat": 0.0702,
      "sigma_syst": 0.0653,
      "n_lines": 9,
      "n_excluded": 14,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.07022 dex at n_lines=9",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
        "copied_to": "data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
        "sha256": "e0e2754609f28a3230a93a8587383e93d6e5002c24878d826c1cfe4780deec27",
        "artifact_mtime": "2026-09-09T01:17:34Z",
        "ingested_at": "2026-09-09T01:18:20Z"
      },
      "atlas": "CRIRES+ Elgueta+2026 solar H arm, 15007.11-17493.69 A (RYA-1094)",
      "telluric_state": "corrected: cr2res + molecfit; inherits RYA-794's telluric verdict for the Elgueta reduced spectra, re-verified per line in RYA-1191 (25/25 graded lines, none a residual)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        15009.0,
        17491.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:35Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.033488,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1150 x delta_xi=0.2912, measured on THIS PRODUCT'S OWN POOL -- all 9 of its 9 lines paired -- by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). That run is filed under tier REFERENCE, but the tier label is the only thing that differs: `provenance.sha256` is EQUAL (e0e2754609f2), so this is one artifact published at two tiers, not a sibling's number. Not the RYA-1120 campaign value, whose run unit carries no band and which measured a different pool (RYA-1224).",
      "sigma_syst_components": {
        "published_syst": 0.0653,
        "sigma_xi": 0.033488
      },
      "sigma_syst_complete": 0.073386,
      "sigma_reported": 0.101556,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-1094: the Elgueta+2026 solar H arm, 15007.11-17493.69 A, 40559 rows, built from sp/Sun_H_rv.dat by the SAME normaliser as the RYA-794/1054 Y products (scripts/normalize_vesta_ir.py --arm H). Only the arm differs, so it inherits RYA-794's telluric verdict for the Elgueta reduced spectra unchanged. UNIT+MEDIUM VERIFIED AGAINST A CONTROL, not assumed: sp/ wavelength is labelled 0.1nm in the ReadM",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.115
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "H",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_h_rya1094",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.523,
      "sigma_stat": 0.0512,
      "sigma_syst": 0.0667,
      "n_lines": 19,
      "n_excluded": 4,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05125 dex at n_lines=19",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/rya1208/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "f0d954c931861a0f1bce1629f88852ebb9d0ac1f6daeb0b47c138ab529995435",
        "artifact_mtime": "2026-09-10T22:09:24Z",
        "ingested_at": "2026-09-10T22:09:44Z"
      },
      "atlas": "CRIRES+ Elgueta+2026 solar H arm, 15007.11-17493.69 A (RYA-1094)",
      "telluric_state": "corrected: cr2res + molecfit; inherits RYA-794's telluric verdict for the Elgueta reduced spectra, re-verified per line in RYA-1191 (25/25 graded lines, none a residual)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        15009.0,
        17491.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:36Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0364,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1250 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (H) on 19 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0667,
        "sigma_xi": 0.0364
      },
      "sigma_syst_complete": 0.075986,
      "sigma_reported": 0.091626,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-1094: the Elgueta+2026 solar H arm, 15007.11-17493.69 A, 40559 rows, built from sp/Sun_H_rv.dat by the SAME normaliser as the RYA-794/1054 Y products (scripts/normalize_vesta_ir.py --arm H). Only the arm differs, so it inherits RYA-794's telluric verdict for the Elgueta reduced spectra unchanged. UNIT+MEDIUM VERIFIED AGAINST A CONTROL, not assumed: sp/ wavelength is labelled 0.1nm in the ReadM",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.125
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "H",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_h_rya1094",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.552,
      "sigma_stat": 0.0874,
      "sigma_syst": 0.0716,
      "n_lines": 20,
      "n_excluded": 3,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08737 dex at n_lines=20",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_REFERENCE_products.csv",
        "sha256": "1db10a7014f20676045afdcc52805dc6ff7e9848957202379c5291dce11c1246",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:14Z"
      },
      "atlas": "CRIRES+ Elgueta+2026 solar H arm, 15007.11-17493.69 A (RYA-1094)",
      "telluric_state": "corrected: cr2res + molecfit; inherits RYA-794's telluric verdict for the Elgueta reduced spectra, re-verified per line in RYA-1191 (25/25 graded lines, none a residual)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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        17491.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:36Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.03276,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1125 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (H) on 20 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0716,
        "sigma_xi": 0.03276
      },
      "sigma_syst_complete": 0.078739,
      "sigma_reported": 0.117638,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-1094: the Elgueta+2026 solar H arm, 15007.11-17493.69 A, 40559 rows, built from sp/Sun_H_rv.dat by the SAME normaliser as the RYA-794/1054 Y products (scripts/normalize_vesta_ir.py --arm H). Only the arm differs, so it inherits RYA-794's telluric verdict for the Elgueta reduced spectra unchanged. UNIT+MEDIUM VERIFIED AGAINST A CONTROL, not assumed: sp/ wavelength is labelled 0.1nm in the ReadM",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1125
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "H",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_h_rya1094",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.549,
      "sigma_stat": 0.0702,
      "sigma_syst": 0.0653,
      "n_lines": 9,
      "n_excluded": 14,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.07022 dex at n_lines=9",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_REFERENCE_ENGINE-B-NLTE_products.csv",
        "sha256": "e0e2754609f28a3230a93a8587383e93d6e5002c24878d826c1cfe4780deec27",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:14Z"
      },
      "atlas": "CRIRES+ Elgueta+2026 solar H arm, 15007.11-17493.69 A (RYA-1094)",
      "telluric_state": "corrected: cr2res + molecfit; inherits RYA-794's telluric verdict for the Elgueta reduced spectra, re-verified per line in RYA-1191 (25/25 graded lines, none a residual)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:36Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.033488,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1150 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (H) on 9 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0653,
        "sigma_xi": 0.033488
      },
      "sigma_syst_complete": 0.073386,
      "sigma_reported": 0.101556,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-1094: the Elgueta+2026 solar H arm, 15007.11-17493.69 A, 40559 rows, built from sp/Sun_H_rv.dat by the SAME normaliser as the RYA-794/1054 Y products (scripts/normalize_vesta_ir.py --arm H). Only the arm differs, so it inherits RYA-794's telluric verdict for the Elgueta reduced spectra unchanged. UNIT+MEDIUM VERIFIED AGAINST A CONTROL, not assumed: sp/ wavelength is labelled 0.1nm in the ReadM",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.115
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "H",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_h_rya1094",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.518,
      "sigma_stat": 0.0523,
      "sigma_syst": 0.0667,
      "n_lines": 19,
      "n_excluded": 4,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05232 dex at n_lines=19",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_15009_17491_crires_plus_solar_crires_plus_h_rya1094_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "b62f01fa9fba3157119f5d4bdfb4dae3bdcfd8df616397b939108b6d47f1cb6e",
        "artifact_mtime": "2026-09-12T03:43:12Z",
        "ingested_at": "2026-09-12T03:43:14Z"
      },
      "atlas": "CRIRES+ Elgueta+2026 solar H arm, 15007.11-17493.69 A (RYA-1094)",
      "telluric_state": "corrected: cr2res + molecfit; inherits RYA-794's telluric verdict for the Elgueta reduced spectra, re-verified per line in RYA-1191 (25/25 graded lines, none a residual)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        15009.0,
        17491.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:36Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0364,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1250 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (H) on 19 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0667,
        "sigma_xi": 0.0364
      },
      "sigma_syst_complete": 0.075986,
      "sigma_reported": 0.092245,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-1094: the Elgueta+2026 solar H arm, 15007.11-17493.69 A, 40559 rows, built from sp/Sun_H_rv.dat by the SAME normaliser as the RYA-794/1054 Y products (scripts/normalize_vesta_ir.py --arm H). Only the arm differs, so it inherits RYA-794's telluric verdict for the Elgueta reduced spectra unchanged. UNIT+MEDIUM VERIFIED AGAINST A CONTROL, not assumed: sp/ wavelength is labelled 0.1nm in the ReadM",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.125
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_y_wide_rya1054",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.551,
      "sigma_stat": 0.0616,
      "sigma_syst": 0.0615,
      "n_lines": 5,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_GRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_GRADED_products.csv",
        "sha256": "53d5df07414c9b379f887e978c47c73b96bcef393e71220714baee315cea30d8",
        "artifact_mtime": "2026-08-26T17:05:43Z",
        "ingested_at": "2026-08-26T17:06:40Z"
      },
      "atlas": "CRIRES+ Vesta Y arm, 9800-10796 A (RYA-1054 wide window)",
      "telluric_state": "corrected: cr2res + molecfit",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9801.0,
        10794.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:36Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.005824,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0200 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 5 paired lines by RYA-1163 (data/results/rya1163/ir_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0615,
        "sigma_xi": 0.005824
      },
      "sigma_syst_complete": 0.061775,
      "sigma_reported": 0.087239,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.138,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 5,
        "n_selected": 5,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 4,
          "PRIMARY LAB Ruffoni2014": 1
        },
        "n_primary_lab": 5,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-1054: the RYA-794 Y product conditioned over the arm's FULL measured extent, 9800-10796 A, from the SAME source (sp/Sun_Y_rv.dat, md5 8428f7009e59c6073ba11242b83d48ff) and the SAME normaliser (scripts/normalize_vesta_ir.py --arm Y --lo 9800 --hi 10796). Only the window differs, so it inherits RYA-794's telluric and rest-frame verdicts unchanged. WHY IT EXISTS: Elgueta's adopted 10280-10680 win",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1163/ir_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.02,
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_y_wide_rya1054",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.492,
      "sigma_stat": 0.07,
      "sigma_syst": 0.0615,
      "n_lines": 2,
      "n_excluded": 3,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "47400674ea3da6d68142ca44852c4b7ec5691898f868a6e8f6f68fb316639baf",
        "artifact_mtime": "2026-08-26T17:05:47Z",
        "ingested_at": "2026-08-26T17:06:40Z"
      },
      "atlas": "CRIRES+ Vesta Y arm, 9800-10796 A (RYA-1054 wide window)",
      "telluric_state": "corrected: cr2res + molecfit",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9801.0,
        10794.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:36Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224). The band-keyed run agrees and declined this pool in its own words: \"REFUSED: only 2 paired lines (< 3). Two points define a slope exactly and carry no dispersion; the value would be an artifact of which lines survived.\" [RYA-1163, data/results/rya1163/ir_xi_dadxi.json].",
      "sigma_syst_components": {
        "published_syst": 0.0615,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0615,
      "sigma_reported": 0.093179,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.099,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 5,
        "n_selected": 5,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 4,
          "PRIMARY LAB Ruffoni2014": 1
        },
        "n_primary_lab": 5,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-1054: the RYA-794 Y product conditioned over the arm's FULL measured extent, 9800-10796 A, from the SAME source (sp/Sun_Y_rv.dat, md5 8428f7009e59c6073ba11242b83d48ff) and the SAME normaliser (scripts/normalize_vesta_ir.py --arm Y --lo 9800 --hi 10796). Only the window differs, so it inherits RYA-794's telluric and rest-frame verdicts unchanged. WHY IT EXISTS: Elgueta's adopted 10280-10680 win",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_y_wide_rya1054",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.553,
      "sigma_stat": 0.062,
      "sigma_syst": 0.0615,
      "n_lines": 5,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06200 dex at n_lines=5",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/rya1208/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "f4eb36e468b80445364d687049f2991d021e5b6b22414787c146dc7cb333be6c",
        "artifact_mtime": "2026-09-10T22:09:24Z",
        "ingested_at": "2026-09-10T22:09:44Z"
      },
      "atlas": "CRIRES+ Vesta Y arm, 9800-10796 A (RYA-1054 wide window)",
      "telluric_state": "corrected: cr2res + molecfit",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9801.0,
        10794.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:36Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.010192,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0350 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 5 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0615,
        "sigma_xi": 0.010192
      },
      "sigma_syst_complete": 0.062339,
      "sigma_reported": 0.087921,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.139,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 5,
        "n_selected": 5,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 4,
          "PRIMARY LAB Ruffoni2014": 1
        },
        "n_primary_lab": 5,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-1054: the RYA-794 Y product conditioned over the arm's FULL measured extent, 9800-10796 A, from the SAME source (sp/Sun_Y_rv.dat, md5 8428f7009e59c6073ba11242b83d48ff) and the SAME normaliser (scripts/normalize_vesta_ir.py --arm Y --lo 9800 --hi 10796). Only the window differs, so it inherits RYA-794's telluric and rest-frame verdicts unchanged. WHY IT EXISTS: Elgueta's adopted 10280-10680 win",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.035
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_y_wide_rya1054",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.546,
      "sigma_stat": 0.0623,
      "sigma_syst": 0.0615,
      "n_lines": 5,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06229 dex at n_lines=5",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_REFERENCE_products.csv",
        "sha256": "9ee4385f6c6ed151bfb9a9551f2fc9a9cd828aee49a96e23ec42e5f0c7dd68ee",
        "artifact_mtime": "2026-09-12T02:56:49Z",
        "ingested_at": "2026-09-12T02:57:05Z"
      },
      "atlas": "CRIRES+ Vesta Y arm, 9800-10796 A (RYA-1054 wide window)",
      "telluric_state": "corrected: cr2res + molecfit",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9801.0,
        10794.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:37Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.005824,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0200 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 5 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0615,
        "sigma_xi": 0.005824
      },
      "sigma_syst_complete": 0.061775,
      "sigma_reported": 0.087735,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.139,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 5,
        "n_selected": 5,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 4,
          "PRIMARY LAB Ruffoni2014": 1
        },
        "n_primary_lab": 5,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-1054: the RYA-794 Y product conditioned over the arm's FULL measured extent, 9800-10796 A, from the SAME source (sp/Sun_Y_rv.dat, md5 8428f7009e59c6073ba11242b83d48ff) and the SAME normaliser (scripts/normalize_vesta_ir.py --arm Y --lo 9800 --hi 10796). Only the window differs, so it inherits RYA-794's telluric and rest-frame verdicts unchanged. WHY IT EXISTS: Elgueta's adopted 10280-10680 win",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.02
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_y_wide_rya1054",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.486,
      "sigma_stat": 0.0685,
      "sigma_syst": 0.0615,
      "n_lines": 2,
      "n_excluded": 3,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06850 dex at n_lines=2",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "270ed75df8fbb51dc9511f96cea229296277b4cf2378da350929d8e5c4fd567c",
        "artifact_mtime": "2026-09-12T02:56:49Z",
        "ingested_at": "2026-09-12T02:57:05Z"
      },
      "atlas": "CRIRES+ Vesta Y arm, 9800-10796 A (RYA-1054 wide window)",
      "telluric_state": "corrected: cr2res + molecfit",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9801.0,
        10794.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:37Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "only 2 line(s) in this product's own pool, below min_paired=3 -- a derivative measured on fewer than 3 paired lines exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason). No derivative is published for it and none is borrowed from a pool that does clear the floor: the hold is the same at EVERY tier (RYA-1224). The band-keyed run agrees and declined this pool in its own words: \"only 2 paired line(s), below min_paired=3 \u2014 the derivative exists as a float and is not a measurement (RYA-1163's floor, RYA-1031's reason)\" [RYA-1213, data/results/rya1213/reference_xi_dadxi.json].",
      "sigma_syst_components": {
        "published_syst": 0.0615,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0615,
      "sigma_reported": 0.092057,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.097,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 5,
        "n_selected": 5,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 4,
          "PRIMARY LAB Ruffoni2014": 1
        },
        "n_primary_lab": 5,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-1054: the RYA-794 Y product conditioned over the arm's FULL measured extent, 9800-10796 A, from the SAME source (sp/Sun_Y_rv.dat, md5 8428f7009e59c6073ba11242b83d48ff) and the SAME normaliser (scripts/normalize_vesta_ir.py --arm Y --lo 9800 --hi 10796). Only the window differs, so it inherits RYA-794's telluric and rest-frame verdicts unchanged. WHY IT EXISTS: Elgueta's adopted 10280-10680 win",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      }
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "crires_plus",
      "holding": "solar_crires_plus_y_wide_rya1054",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.554,
      "sigma_stat": 0.0618,
      "sigma_syst": 0.0615,
      "n_lines": 5,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06182 dex at n_lines=5",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9801_10794_crires_plus_solar_crires_plus_y_wide_rya1054_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "e2526eedb84559cb2b945d1fbfbb5480f4981ab59280d644ea74bc9aa18d7998",
        "artifact_mtime": "2026-09-12T02:56:49Z",
        "ingested_at": "2026-09-12T02:57:05Z"
      },
      "atlas": "CRIRES+ Vesta Y arm, 9800-10796 A (RYA-1054 wide window)",
      "telluric_state": "corrected: cr2res + molecfit",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9801.0,
        10794.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:38Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.010192,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0350 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 5 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0615,
        "sigma_xi": 0.010192
      },
      "sigma_syst_complete": 0.062339,
      "sigma_reported": 0.08778,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.138,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 5,
        "n_selected": 5,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 4,
          "PRIMARY LAB Ruffoni2014": 1
        },
        "n_primary_lab": 5,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-1054: the RYA-794 Y product conditioned over the arm's FULL measured extent, 9800-10796 A, from the SAME source (sp/Sun_Y_rv.dat, md5 8428f7009e59c6073ba11242b83d48ff) and the SAME normaliser (scripts/normalize_vesta_ir.py --arm Y --lo 9800 --hi 10796). Only the window differs, so it inherits RYA-794's telluric and rest-frame verdicts unchanged. WHY IT EXISTS: Elgueta's adopted 10280-10680 win",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
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      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.035
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    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "iag_fts_solar_atlas",
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      "A": 7.546,
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      "n_lines": 25,
      "n_excluded": 3,
      "dominant_term": "line-to-line scatter",
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      "provenance": {
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        "copied_to": "data/results/band_products/FeI_9199_11083_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_products.csv",
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      "atlas": "IAG FTS solar flux atlas",
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      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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      "wavelength_range_basis": "artifact stem",
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      "irreducible_dispersion": {
        "dispersion_dex": 0.794,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
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        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1163/ir_xi_dadxi.json",
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    {
      "element": "Fe",
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      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
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      "n_lines": 6,
      "n_excluded": 19,
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      "route": "SYNTH",
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        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_9199_11083_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_9199_11083_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-A_products.csv",
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      "atlas": "IAG FTS solar flux atlas",
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      "grade": "Codex Grade",
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      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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      "wavelength_range_basis": "artifact stem",
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      "xi_note": "|dA/dxi|=0.0400 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 6 paired lines by RYA-1163 (data/results/rya1163/ir_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
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      "irreducible_dispersion": {
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        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
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        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
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          "PRIMARY LAB Ruffoni2014": 7
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        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
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        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
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        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
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    {
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      "stat_basis": "measured \u2014 RMS of the random terms, 0.06880 dex at n_lines=22",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/rya1208/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_11081_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
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      "grade": "Codex Grade",
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      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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      },
      "tier_provenance": {
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        "gf_references": {
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          "PRIMARY LAB Ruffoni2014": 7
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        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
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        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.02
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.554,
      "sigma_stat": 0.0654,
      "sigma_syst": 0.0636,
      "n_lines": 22,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06543 dex at n_lines=22",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_11081_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_products.csv",
        "sha256": "4565f2e18bee375ff79744e256e0598bc4788b97a422c73dd3386375d68dc128",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:28Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        11081.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:39Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.015288,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0525 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 22 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0636,
        "sigma_xi": 0.015288
      },
      "sigma_syst_complete": 0.065412,
      "sigma_reported": 0.092498,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.307,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.0525
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.599,
      "sigma_stat": 0.0724,
      "sigma_syst": 0.0636,
      "n_lines": 6,
      "n_excluded": 16,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.07236 dex at n_lines=6",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_11081_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "746433c6dd0d2553cab49ac9091d5df1578b436c6d761a9618ece8b6fc2d98d5",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:28Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        11081.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:40Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.01092,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0375 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 6 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0636,
        "sigma_xi": 0.01092
      },
      "sigma_syst_complete": 0.064531,
      "sigma_reported": 0.096985,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.177,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.0375
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.549,
      "sigma_stat": 0.0688,
      "sigma_syst": 0.0636,
      "n_lines": 22,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06881 dex at n_lines=22",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_11081_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "202dfbfaee00615681f19604a3062295c5d9cc648d3c6e95febfd14a443d4da9",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:28Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        11081.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:40Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.005824,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0200 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 22 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0636,
        "sigma_xi": 0.005824
      },
      "sigma_syst_complete": 0.063866,
      "sigma_reported": 0.093874,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.323,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.02
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.515,
      "sigma_stat": 0.0856,
      "sigma_syst": 0.0606,
      "n_lines": 23,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08564 dex at n_lines=23",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/rya1208/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_10008_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "3ce074c00264eae61bfafe3ccc158fafa5a6af8f95d2012955cf52d31924857b",
        "artifact_mtime": "2026-09-10T22:09:24Z",
        "ingested_at": "2026-09-10T22:09:45Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        10008.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:41Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.0606,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0606,
      "sigma_reported": 0.10488,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.411,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 24,
        "n_selected": 24,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 19,
          "PRIMARY LAB Ruffoni2014": 5
        },
        "n_primary_lab": 24,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.519,
      "sigma_stat": 0.0858,
      "sigma_syst": 0.0606,
      "n_lines": 23,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08579 dex at n_lines=23",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_10008_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "34e9cff1453d1d6473fe206362d19d13c98e8439ad426cbf333869dcdd805725",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:27Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        10008.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:41Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.017472,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0600 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 23 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0606,
        "sigma_xi": 0.017472
      },
      "sigma_syst_complete": 0.063068,
      "sigma_reported": 0.106486,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.411,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 24,
        "n_selected": 24,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 19,
          "PRIMARY LAB Ruffoni2014": 5
        },
        "n_primary_lab": 24,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.06
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.39,
      "sigma_stat": 0.177,
      "sigma_syst": 0.0606,
      "n_lines": 6,
      "n_excluded": 17,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.17701 dex at n_lines=6",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_10008_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "b9197896816622271a2aec9c0b542a155ce53e61618f0471de7712e022246fc0",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:27Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        10008.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:42Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.000728,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0025 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 6 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0606,
        "sigma_xi": 0.000728
      },
      "sigma_syst_complete": 0.060604,
      "sigma_reported": 0.187088,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.434,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 24,
        "n_selected": 24,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 19,
          "PRIMARY LAB Ruffoni2014": 5
        },
        "n_primary_lab": 24,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.0025
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.51,
      "sigma_stat": 0.0856,
      "sigma_syst": 0.0606,
      "n_lines": 23,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08555 dex at n_lines=23",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_10008_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "746da4c4a87d98706fdea488b1dcf8c2cda54ad74bd8f31f7a4e720e1c121ca5",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:27Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        10008.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:42Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.02184,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0750 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 23 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0606,
        "sigma_xi": 0.02184
      },
      "sigma_syst_complete": 0.064415,
      "sigma_reported": 0.107129,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.411,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 24,
        "n_selected": 24,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 19,
          "PRIMARY LAB Ruffoni2014": 5
        },
        "n_primary_lab": 24,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.075
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.607,
      "sigma_stat": 0.0804,
      "sigma_syst": 0.0634,
      "n_lines": 23,
      "n_excluded": 5,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08039 dex at n_lines=23",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/rya1203_reingest/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
        "sha256": "3e79d4c11e04e55989af8e4113ad4309a398b9595b30a9aa738abe2925dd52c7",
        "artifact_mtime": "2026-09-07T23:35:40Z",
        "ingested_at": "2026-09-11T01:24:22Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:42Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.015288,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0525 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 26 paired lines by RYA-1163 (data/results/rya1163/ir_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1163/ir_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.0525,
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.015288
      },
      "sigma_syst_complete": 0.065217,
      "sigma_reported": 0.103525,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.386,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.488,
      "sigma_stat": 0.0588,
      "sigma_syst": 0.0634,
      "n_lines": 6,
      "n_excluded": 17,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05876 dex at n_lines=6",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/rya1203_reingest/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "e664df0800c66b6b837a50d50b0793b0f7ac8f8cd532ea2b7f71f77545365bbb",
        "artifact_mtime": "2026-09-07T23:35:40Z",
        "ingested_at": "2026-09-11T01:24:22Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:43Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.013104,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0450 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 7 paired lines by RYA-1163 (data/results/rya1163/ir_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1163/ir_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.045,
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.013104
      },
      "sigma_syst_complete": 0.06474,
      "sigma_reported": 0.087457,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.144,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.601,
      "sigma_stat": 0.0795,
      "sigma_syst": 0.0634,
      "n_lines": 23,
      "n_excluded": 5,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.07952 dex at n_lines=23",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/rya1208/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "b4ef3c186ca46b76ec1a35c20c0176d62215557131393476e44edf88a36d94a6",
        "artifact_mtime": "2026-09-10T22:09:24Z",
        "ingested_at": "2026-09-10T22:09:46Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:43Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0634,
      "sigma_reported": 0.101685,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.381,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": 0.6,
        "depth_gate_applied": true,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.607,
      "sigma_stat": 0.0804,
      "sigma_syst": 0.0634,
      "n_lines": 23,
      "n_excluded": 5,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.08040 dex at n_lines=23",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "9558b788b383a01ad905f4e45c88d4f7ee9f3bf686b450115c0a065f5d9f00b7",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:27Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:44Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.013104,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0450 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 23 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.013104
      },
      "sigma_syst_complete": 0.06474,
      "sigma_reported": 0.103225,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.386,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.045
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.487,
      "sigma_stat": 0.0588,
      "sigma_syst": 0.0634,
      "n_lines": 6,
      "n_excluded": 17,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05883 dex at n_lines=6",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "5c825e68cc4ec862b5a44a7149fe3188685e702ffd7313dc048f8740523feb66",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:27Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:44Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.010192,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0350 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 6 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.010192
      },
      "sigma_syst_complete": 0.064214,
      "sigma_reported": 0.087068,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.144,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.035
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.601,
      "sigma_stat": 0.0795,
      "sigma_syst": 0.0634,
      "n_lines": 23,
      "n_excluded": 5,
      "dominant_term": "line-to-line scatter",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.07950 dex at n_lines=23",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "0befa8d6254057ce8ce6901a1357895574fd0df94017b8aba91e27e332a17cd7",
        "artifact_mtime": "2026-09-12T04:35:26Z",
        "ingested_at": "2026-09-12T04:35:27Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.018928,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0650 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 23 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.018928
      },
      "sigma_syst_complete": 0.066165,
      "sigma_reported": 0.103431,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.381,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected": 29,
        "depth_gate": null,
        "depth_gate_applied": false,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_reference \u2014 every LAB-tier row in the window, depth gate NOT applied (RYA-1213); see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.065
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "ALL",
      "selector": "ASPLUND_AGSS21",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.4771,
      "sigma_stat": 0.0202,
      "sigma_syst": 0.0475,
      "n_lines": 21,
      "n_excluded": 19,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02018 dex at n_lines=21",
      "route": "SYNTH",
      "line_set": "asplund",
      "provenance": {
        "host": "Mac",
        "path": "data/results/rya1106/harps_molecfit/asplund_lines_products.csv",
        "copied_to": "data/results/rya1106/harps_molecfit/asplund_lines_products.csv",
        "sha256": "2bb826d7f86f18d06e07ab48ee99c5b301c3b2661ccb6d28e2ac66fbf8ca1d3c",
        "artifact_mtime": "2026-09-11T04:40:09Z",
        "ingested_at": "2026-09-11T04:50:37Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "line_set_resolved": "asplund",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3800.0,
        6910.0
      ],
      "wavelength_range_basis": "the VIS BAND DEFINITION (pipeline.band_policy), not a run window \u2014 this product's artifact records no wavelength span of its own",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29). This product is ALSO a reference-set replication anchor, not a xi-varying measurement of ours \u2014 N/A on either ground (RYA-1185).",
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      "n_excluded": 0,
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      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.053872,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1850 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 67 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.053872
      },
      "sigma_syst_complete": 0.083197,
      "sigma_reported": 0.085905,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.185
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.514,
      "sigma_stat": 0.0197,
      "sigma_syst": 0.0505,
      "n_lines": 174,
      "n_excluded": 2,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01969 dex at n_lines=174",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "91d276192616605e24eec85edd545efe24bbaa2c32be80302d699211cc6f65a4",
        "artifact_mtime": "2026-09-12T14:26:46Z",
        "ingested_at": "2026-09-12T14:26:47Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.064792,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2225 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 174 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0505,
        "sigma_xi": 0.064792
      },
      "sigma_syst_complete": 0.082148,
      "sigma_reported": 0.084477,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2225
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.4996,
      "sigma_stat": 0.0174,
      "sigma_syst": 0.0451,
      "n_lines": 100,
      "n_excluded": 76,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01736 dex at n_lines=100",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213_3d/out_harps/rya817_3dnlte_products.csv",
        "copied_to": "data/results/rya1213/3dnlte_harps/rya817_3dnlte_products.csv",
        "sha256": "1b5df14ed7146452275643601aa9baf90c3572452f6dec68ef87d8ed0f9fd9cf",
        "artifact_mtime": "2026-09-12T15:45:37Z",
        "ingested_at": "2026-09-12T15:46:31Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact `provenance` column (stem carries no window)",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29).",
      "sigma_syst_components": {
        "published_syst": 0.0451,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.0451,
      "sigma_reported": 0.04834,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      }
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.525,
      "sigma_stat": 0.0205,
      "sigma_syst": 0.0505,
      "n_lines": 164,
      "n_excluded": 10,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02055 dex at n_lines=164",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "a6fe73ec689eb41b50c07a6a17dd077afd763824b20244b9dfd5460e813dc55b",
        "artifact_mtime": "2026-09-12T14:26:46Z",
        "ingested_at": "2026-09-12T14:26:47Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.063336,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2175 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 164 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0505,
        "sigma_xi": 0.063336
      },
      "sigma_syst_complete": 0.081004,
      "sigma_reported": 0.083558,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2175
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.549,
      "sigma_stat": 0.0211,
      "sigma_syst": 0.0508,
      "n_lines": 175,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02108 dex at n_lines=175",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_REFERENCE_ENGINE-B-NLTE_products.csv",
        "sha256": "4e9555ce5113adc30b3fdffa3bf1a6e6c56ac0e4a14e6d670cd410dc84a31053",
        "artifact_mtime": "2026-09-13T04:12:02Z",
        "ingested_at": "2026-09-13T04:12:03Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.062608,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2150 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 175 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0508,
        "sigma_xi": 0.062608
      },
      "sigma_syst_complete": 0.080625,
      "sigma_reported": 0.08334,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.215
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.521,
      "sigma_stat": 0.0208,
      "sigma_syst": 0.0508,
      "n_lines": 175,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02075 dex at n_lines=175",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "c664a40cff8b92058e5a164ae27a2fcd5a4446d6fad59f33ccd5fb60bbfcd6f0",
        "artifact_mtime": "2026-09-12T14:26:46Z",
        "ingested_at": "2026-09-12T14:26:47Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.069888,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2400 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 175 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0508,
        "sigma_xi": 0.069888
      },
      "sigma_syst_complete": 0.0864,
      "sigma_reported": 0.088868,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
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      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5429,
      "sigma_stat": 0.025,
      "sigma_syst": 0.0555,
      "n_lines": 39,
      "n_excluded": 4,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02501 dex at n_lines=39",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/out_g3dv2_iag/rya817_3dnlte_products.csv",
        "copied_to": "data/results/rya1095/iag/rya817_3dnlte_products.csv",
        "sha256": "8f5563f1cdf660c90abcf906e573144a4e7a1a9ad5de47d3c24f47b32bff4d3a",
        "artifact_mtime": "2026-08-28T11:23:06Z",
        "ingested_at": "2026-08-28T11:23:54Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact `provenance` column (stem carries no window)",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29).",
      "sigma_syst_components": {
        "published_syst": 0.0555,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.0555,
      "sigma_reported": 0.060871,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.48,
      "sigma_stat": 0.0233,
      "sigma_syst": 0.0535,
      "n_lines": 37,
      "n_excluded": 6,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02326 dex at n_lines=37",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "bc06cbb35144cbda6a4762b277a2b2bac09b9a03a8a2085790e884a61a9d1e29",
        "artifact_mtime": "2026-09-08T13:28:19Z",
        "ingested_at": "2026-09-08T18:51:48Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.059696,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2050 x delta_xi=0.2912 measured on this product's own 37 paired lines",
      "dA_dxi_dex_per_kms": -0.205,
      "sigma_syst_components": {
        "published_syst": 0.0535,
        "sigma_xi": 0.059696
      },
      "sigma_syst_complete": 0.080161,
      "sigma_reported": 0.083479,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.549,
      "sigma_stat": 0.0231,
      "sigma_syst": 0.0535,
      "n_lines": 43,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02306 dex at n_lines=43",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
        "copied_to": "data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
        "sha256": "79e6a3dc1348e88cb894bd8caabd8e7e930f804569d1e13ea229bfd60feebce4",
        "artifact_mtime": "2026-09-08T13:27:59Z",
        "ingested_at": "2026-09-08T18:51:48Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.064064,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2200 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 43 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0535,
        "sigma_xi": 0.064064
      },
      "sigma_syst_complete": 0.083465,
      "sigma_reported": 0.086603,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.22
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.492,
      "sigma_stat": 0.0226,
      "sigma_syst": 0.0535,
      "n_lines": 43,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02260 dex at n_lines=43",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "copied_to": "data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "e5bcaa0fdaca2d36ddba2e0d0a7847675e76549e1ffc2bb6505c49047464180d",
        "artifact_mtime": "2026-09-08T13:26:14Z",
        "ingested_at": "2026-09-08T18:51:48Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.068432,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2350 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 43 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0535,
        "sigma_xi": 0.068432
      },
      "sigma_syst_complete": 0.086863,
      "sigma_reported": 0.089755,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.235
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.463,
      "sigma_stat": 0.0177,
      "sigma_syst": 0.0424,
      "n_lines": 84,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01770 dex at n_lines=84",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_products.csv",
        "sha256": "7bfd12bd7bcb8eb58d77952621554a0a37584d0957151e5a2d3dc2f282d38bdf",
        "artifact_mtime": "2026-09-12T16:27:12Z",
        "ingested_at": "2026-09-12T16:27:13Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.061152,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2100 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 84 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0424,
        "sigma_xi": 0.061152
      },
      "sigma_syst_complete": 0.074413,
      "sigma_reported": 0.076489,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.21
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5156,
      "sigma_stat": 0.0186,
      "sigma_syst": 0.0437,
      "n_lines": 78,
      "n_excluded": 6,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01861 dex at n_lines=78",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213_3d/out_iag/rya817_3dnlte_products.csv",
        "copied_to": "data/results/rya1213/3dnlte_iag/rya817_3dnlte_products.csv",
        "sha256": "0dc2d65b4c4640bf3cbc7416eb8ce0bca8de150af72aa7bb19dcb6893b2fd2da",
        "artifact_mtime": "2026-09-12T16:29:30Z",
        "ingested_at": "2026-09-12T16:29:32Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact `provenance` column (stem carries no window)",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29).",
      "sigma_syst_components": {
        "published_syst": 0.0437,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.0437,
      "sigma_reported": 0.047494,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      }
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.455,
      "sigma_stat": 0.0185,
      "sigma_syst": 0.0424,
      "n_lines": 74,
      "n_excluded": 10,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01847 dex at n_lines=74",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "0776495d75f0f5a12536835eb3aedfbbf96d163c32bd2704319a9f183a17807f",
        "artifact_mtime": "2026-09-12T16:27:12Z",
        "ingested_at": "2026-09-12T16:27:13Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.060424,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2075 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 74 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0424,
        "sigma_xi": 0.060424
      },
      "sigma_syst_complete": 0.073816,
      "sigma_reported": 0.076099,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2075
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.517,
      "sigma_stat": 0.0177,
      "sigma_syst": 0.0424,
      "n_lines": 84,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01765 dex at n_lines=84",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_ENGINE-B-NLTE_products.csv",
        "sha256": "c3c90ef7c96f48a53900d230a60f24ab46e5bc046f23354bc96972b28fff723f",
        "artifact_mtime": "2026-09-13T06:09:24Z",
        "ingested_at": "2026-09-13T14:14:36Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.06188,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2125 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 84 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0424,
        "sigma_xi": 0.06188
      },
      "sigma_syst_complete": 0.075013,
      "sigma_reported": 0.077073,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2125
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.469,
      "sigma_stat": 0.0174,
      "sigma_syst": 0.0424,
      "n_lines": 84,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01737 dex at n_lines=84",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_5002_6910_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "ae7da12afde9416c9c6ad648476170222b76f34c2d311be6a865159472366287",
        "artifact_mtime": "2026-09-12T16:27:12Z",
        "ingested_at": "2026-09-12T16:27:13Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        5002.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.063336,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2175 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 84 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0424,
        "sigma_xi": 0.063336
      },
      "sigma_syst_complete": 0.076218,
      "sigma_reported": 0.078179,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2175
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "ALL",
      "selector": "ASPLUND_AGSS21",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.4713,
      "sigma_stat": 0.0123,
      "sigma_syst": 0.0475,
      "n_lines": 21,
      "n_excluded": 19,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01233 dex at n_lines=21",
      "route": "SYNTH",
      "line_set": "asplund",
      "provenance": {
        "host": "Mac",
        "path": "data/results/rya1106/kpno_kurucz2005/asplund_lines_products.csv",
        "copied_to": "data/results/rya1106/kpno_kurucz2005/asplund_lines_products.csv",
        "sha256": "12d5a8cf9a51f1354925eddd9c4b70d721cc8cb649157b925a44bef01dead781",
        "artifact_mtime": "2026-09-11T04:40:09Z",
        "ingested_at": "2026-09-11T04:50:36Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "line_set_resolved": "asplund",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3800.0,
        6910.0
      ],
      "wavelength_range_basis": "the VIS BAND DEFINITION (pipeline.band_policy), not a run window \u2014 this product's artifact records no wavelength span of its own",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29). This product is ALSO a reference-set replication anchor, not a xi-varying measurement of ours \u2014 N/A on either ground (RYA-1185).",
      "sigma_syst_components": {
        "published_syst": 0.0475,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.0475,
      "sigma_reported": 0.049067,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "AGSS21's own published log gf on the target lines",
        "gf_grade": "published reference set",
        "gf_citation": "Asplund, Amarsi & Grevesse 2021, A&A 653, A141, Table A.2 (10.1051/0004-6361/202140445), ingested by RYA-1109",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Asplund, Amarsi & Grevesse 2021 Table A.2 via RYA-1109 / RYA-1111"
      },
      "grade_variant": "Asplund AGSS21 replication \u2014 AGSS21 Table A.2's own Fe line list, on AGSS21's own gf, measured in our spectra (RYA-1109/1111)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.421,
      "sigma_stat": 0.02,
      "sigma_syst": 0.0402,
      "n_lines": 108,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "df565ca01ad39ca9d068fda1d842c42db0924f3ede3302b754b3175c67079f16",
        "artifact_mtime": "2026-08-24T23:39:17Z",
        "ingested_at": "2026-08-24T23:40:07Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:45Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.073528,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2525 x delta_xi=0.2912 measured on this product's own 108 paired lines",
      "dA_dxi_dex_per_kms": -0.2525,
      "sigma_syst_components": {
        "published_syst": 0.0402,
        "sigma_xi": 0.073528
      },
      "sigma_syst_complete": 0.0838,
      "sigma_reported": 0.086154,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.431,
      "sigma_stat": 0.0207,
      "sigma_syst": 0.0402,
      "n_lines": 104,
      "n_excluded": 4,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "46768ce0821f5dde6711d256fce9860a1d71253d1920b10655f52d24cf8ea3df",
        "artifact_mtime": "2026-08-24T23:39:58Z",
        "ingested_at": "2026-08-24T23:41:24Z"
      },
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      "sigma_xi": 0.05096,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1750 x delta_xi=0.2912 measured on this product's own 61 paired lines",
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      "route": "SYNTH",
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      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
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      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
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      "sigma_syst_complete": 0.0634,
      "sigma_reported": 0.066361,
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      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
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      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
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      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
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      "grade": "Codex Grade",
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      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
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      "sigma_syst_complete": 0.0634,
      "sigma_reported": 0.066663,
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      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
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        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
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      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
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    {
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      "display": "Synth \u00b7 <3D>-LTE \u00b7 Gerber \u00b7 stagger",
      "A": 7.541,
      "sigma_stat": 0.0203,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02026 dex at n_lines=67",
      "route": "SYNTH",
      "provenance": {
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      "wavelength_range_A": [
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      "delta_xi_kms": 0.2912,
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      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. The <3D> MEAN is NOT full 3D: averaging removes the velocity structure, so the route runs on an inherited xi. RYA-1099 measured it at xi = 0 and the result was +0.137 dex WORSE, which forbids the full-3D exemption here in writing. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
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      "aggregate_collision_note": "Published A is the MEDIAN of the per-line abundances (nlte_effect.json: aggregator=median). LTE 7.541 / NLTE 7.562 \u2014 the <3D>-NLTE departure is live and separates the pair on this holding.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
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        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
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      "adoption_note": "RYA-1197 Part A: the Frankenstein mean-<3D> route is HELD FROM HEADLINE publication until the Bride validates it. It inflates A(Fe) by roughly +0.10 dex against the 1D siblings and exists on VIS/KP only, so it is not a comparable measurement of the same quantity. It stays in the feed deliberately: the LTE/NLTE mean-3D PAIR is the NLTE differential on ONE atmosphere (RYA-542), which is the diagnostic it is for. Not a headline value.",
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      "annotation_reason": "RYA-1203 item 2: apply the RYA-1197 Part A experimental flag",
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      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
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      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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      "wavelength_range_basis": "artifact stem",
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      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. The <3D> MEAN is NOT full 3D: averaging removes the velocity structure, so the route runs on an inherited xi. RYA-1099 measured it at xi = 0 and the result was +0.137 dex WORSE, which forbids the full-3D exemption here in writing. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
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      "tier": "REFERENCE",
      "selector": "REFERENCE",
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      "n_lines": 175,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
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      "route": "SYNTH",
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      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
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      "sigma_stat": 0.0162,
      "sigma_syst": 0.0449,
      "n_lines": 101,
      "n_excluded": 75,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01616 dex at n_lines=101",
      "route": "SYNTH",
      "provenance": {
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        "path": "/home/damienabraxas/scratch/rya1213_3d/out_kurucz2005/rya817_3dnlte_products.csv",
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      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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      "wavelength_range_basis": "artifact `provenance` column (stem carries no window)",
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      "xi_state": "NOT_APPLICABLE",
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        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
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    },
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      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
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      "sigma_syst": 0.0504,
      "n_lines": 165,
      "n_excluded": 10,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01491 dex at n_lines=165",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
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      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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        6910.0
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      "wavelength_range_basis": "artifact stem",
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      "science_provenance": {
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      "tier": "REFERENCE",
      "selector": "REFERENCE",
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      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
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      "sigma_stat": 0.0153,
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      "n_lines": 176,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01528 dex at n_lines=176",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-B-NLTE_products.csv",
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      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
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      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
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    {
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      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
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      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.436,
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      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01554 dex at n_lines=176",
      "route": "SYNTH",
      "provenance": {
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        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
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      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
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        "gf_grade": "fallback",
        "gf_citation": null,
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        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
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    {
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      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "ALL",
      "selector": "ASPLUND_AGSS21",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5037,
      "sigma_stat": 0.0135,
      "sigma_syst": 0.0475,
      "n_lines": 21,
      "n_excluded": 19,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01351 dex at n_lines=21",
      "route": "SYNTH",
      "line_set": "asplund",
      "provenance": {
        "host": "Mac",
        "path": "data/results/rya1106/kpno_molecfit/asplund_lines_products.csv",
        "copied_to": "data/results/rya1106/kpno_molecfit/asplund_lines_products.csv",
        "sha256": "067b1d5f5bf0112cc7cc8ea04ffecc280c8f96fc57d0351f320140f26db2d6d4",
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        "ingested_at": "2026-09-11T04:50:36Z"
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      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "line_set_resolved": "asplund",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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        6910.0
      ],
      "wavelength_range_basis": "the VIS BAND DEFINITION (pipeline.band_policy), not a run window \u2014 this product's artifact records no wavelength span of its own",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
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      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29). This product is ALSO a reference-set replication anchor, not a xi-varying measurement of ours \u2014 N/A on either ground (RYA-1185).",
      "sigma_syst_components": {
        "published_syst": 0.0475,
        "sigma_xi": 0.0
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      "sigma_syst_complete": 0.0475,
      "sigma_reported": 0.049381,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "AGSS21's own published log gf on the target lines",
        "gf_grade": "published reference set",
        "gf_citation": "Asplund, Amarsi & Grevesse 2021, A&A 653, A141, Table A.2 (10.1051/0004-6361/202140445), ingested by RYA-1109",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
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        "line_set_citation": "Asplund, Amarsi & Grevesse 2021 Table A.2 via RYA-1109 / RYA-1111"
      },
      "grade_variant": "Asplund AGSS21 replication \u2014 AGSS21 Table A.2's own Fe line list, on AGSS21's own gf, measured in our spectra (RYA-1109/1111)"
    },
    {
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      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.417,
      "sigma_stat": 0.0199,
      "sigma_syst": 0.0402,
      "n_lines": 108,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
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      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.052416,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1800 x delta_xi=0.2912 measured on this product's own 61 paired lines",
      "dA_dxi_dex_per_kms": -0.17999999999999997,
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.052416
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      "sigma_syst_complete": 0.082262,
      "sigma_reported": 0.084706,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.497,
      "sigma_stat": 0.0216,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "~/rya1040_repo/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
        "sha256": "59213dd666bbd58780aa4b4d0327fcfaad7e0d26f43e20ba5bdba30c235a79f0",
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        "ingested_at": "2026-08-26T16:08:05Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0634,
      "sigma_reported": 0.066979,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.451,
      "sigma_stat": 0.0215,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "~/rya1040_repo/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "11717f95ccd581a3bbb92351b6fbfe76e10b395844158a56e7517ae98a0aa02f",
        "artifact_mtime": "2026-08-26T16:07:26Z",
        "ingested_at": "2026-08-26T16:08:05Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0634,
      "sigma_reported": 0.066946,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-mean3D-LTE-gerber-stagger",
      "display": "Synth \u00b7 <3D>-LTE \u00b7 Gerber \u00b7 stagger",
      "A": 7.552,
      "sigma_stat": 0.0219,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "~/rya1040_repo/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_synth-mean3D-LTE-gerber-stagger_products.csv",
        "sha256": "5ee9c77e5c57020a7e4ddbb2c26bf0b37608b70027232b68dc206159f53da558",
        "artifact_mtime": "2026-08-26T16:07:26Z",
        "ingested_at": "2026-08-26T16:08:05Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. The <3D> MEAN is NOT full 3D: averaging removes the velocity structure, so the route runs on an inherited xi. RYA-1099 measured it at xi = 0 and the result was +0.137 dex WORSE, which forbids the full-3D exemption here in writing. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0634,
      "sigma_reported": 0.067076,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "aggregate_collision_note": "Published A is the MEDIAN of the per-line abundances (nlte_effect.json: aggregator=median). On this holding the <3D>-LTE and <3D>-NLTE medians coincide at 7.552 while their MEANS differ by +0.0267 dex and the NLTE departure moves 66 of 67 lines. The pair is NOT byte-identical and the NLTE leg is NOT unwired: the same code path on kpno_kurucz2005 gives 7.541 vs 7.562. Genuine median coincidence, kept as two products (RYA-1178 Part 0).",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "stagger-mean3d / gerber / stagger",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "adoption": "EXPERIMENTAL-NOT-ADOPTED",
      "adoption_note": "RYA-1197 Part A: the Frankenstein mean-<3D> route is HELD FROM HEADLINE publication until the Bride validates it. It inflates A(Fe) by roughly +0.10 dex against the 1D siblings and exists on VIS/KP only, so it is not a comparable measurement of the same quantity. It stays in the feed deliberately: the LTE/NLTE mean-3D PAIR is the NLTE differential on ONE atmosphere (RYA-542), which is the diagnostic it is for. Not a headline value.",
      "annotated_at": "2026-09-08T18:52:37Z",
      "annotation_reason": "RYA-1203 item 2: apply the RYA-1197 Part A experimental flag",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-mean3D-NLTE-gerber-stagger",
      "display": "Synth \u00b7 <3D>-NLTE \u00b7 Gerber \u00b7 stagger",
      "A": 7.552,
      "sigma_stat": 0.0218,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "~/rya1040_repo/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_synth-mean3D-NLTE-gerber-stagger_products.csv",
        "sha256": "c0d659c177b5b49380366561e8c1e3dad1a9a8afd7ba7a84de824936e3f7c3b6",
        "artifact_mtime": "2026-08-26T16:07:27Z",
        "ingested_at": "2026-08-26T16:08:05Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. The <3D> MEAN is NOT full 3D: averaging removes the velocity structure, so the route runs on an inherited xi. RYA-1099 measured it at xi = 0 and the result was +0.137 dex WORSE, which forbids the full-3D exemption here in writing. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0634,
      "sigma_reported": 0.067043,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "aggregate_collision_note": "Published A is the MEDIAN of the per-line abundances (nlte_effect.json: aggregator=median). On this holding the <3D>-LTE and <3D>-NLTE medians coincide at 7.552 while their MEANS differ by +0.0267 dex and the NLTE departure moves 66 of 67 lines. The pair is NOT byte-identical and the NLTE leg is NOT unwired: the same code path on kpno_kurucz2005 gives 7.541 vs 7.562. Genuine median coincidence, kept as two products (RYA-1178 Part 0).",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "stagger-mean3d / gerber / stagger",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "adoption": "EXPERIMENTAL-NOT-ADOPTED",
      "adoption_note": "RYA-1197 Part A: the Frankenstein mean-<3D> route is HELD FROM HEADLINE publication until the Bride validates it. It inflates A(Fe) by roughly +0.10 dex against the 1D siblings and exists on VIS/KP only, so it is not a comparable measurement of the same quantity. It stays in the feed deliberately: the LTE/NLTE mean-3D PAIR is the NLTE differential on ONE atmosphere (RYA-542), which is the diagnostic it is for. Not a headline value.",
      "annotated_at": "2026-09-08T18:52:38Z",
      "annotation_reason": "RYA-1203 item 2: apply the RYA-1197 Part A experimental flag",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.432,
      "sigma_stat": 0.0145,
      "sigma_syst": 0.0504,
      "n_lines": 175,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01447 dex at n_lines=175",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_products.csv",
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        "ingested_at": "2026-09-12T14:26:46Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.062608,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2150 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 175 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0504,
        "sigma_xi": 0.062608
      },
      "sigma_syst_complete": 0.080374,
      "sigma_reported": 0.081671,
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      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.215
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.4924,
      "sigma_stat": 0.0159,
      "sigma_syst": 0.0449,
      "n_lines": 101,
      "n_excluded": 75,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01593 dex at n_lines=101",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213_3d/out_kpmf/rya817_3dnlte_products.csv",
        "copied_to": "data/results/rya1213/3dnlte_kpmf/rya817_3dnlte_products.csv",
        "sha256": "07a961414338219a6eda1580860b146331a124739b1963e36c8c22dd67d66307",
        "artifact_mtime": "2026-09-12T15:45:36Z",
        "ingested_at": "2026-09-12T15:46:30Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact `provenance` column (stem carries no window)",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29).",
      "sigma_syst_components": {
        "published_syst": 0.0449,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.0449,
      "sigma_reported": 0.047632,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      }
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.442,
      "sigma_stat": 0.015,
      "sigma_syst": 0.0504,
      "n_lines": 165,
      "n_excluded": 10,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01501 dex at n_lines=165",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "2e3018fa1a6046e24f708b3542b28dddb4e3cf8db4ab0b51e34af0354a7b652a",
        "artifact_mtime": "2026-09-12T14:26:46Z",
        "ingested_at": "2026-09-12T14:26:46Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.062608,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2150 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 165 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0504,
        "sigma_xi": 0.062608
      },
      "sigma_syst_complete": 0.080374,
      "sigma_reported": 0.081762,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.215
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.487,
      "sigma_stat": 0.0153,
      "sigma_syst": 0.0507,
      "n_lines": 176,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01529 dex at n_lines=176",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_ENGINE-B-NLTE_products.csv",
        "sha256": "41a7cbb2b53f7d801dc381e9a548c8ae7dc2e6038a43b06fc0bfecdb37d8766e",
        "artifact_mtime": "2026-09-12T23:15:30Z",
        "ingested_at": "2026-09-12T23:15:31Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.061152,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2100 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 176 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0507,
        "sigma_xi": 0.061152
      },
      "sigma_syst_complete": 0.079436,
      "sigma_reported": 0.080896,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.21
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.446,
      "sigma_stat": 0.0154,
      "sigma_syst": 0.0507,
      "n_lines": 176,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01540 dex at n_lines=176",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "e134fe0b72a984ea72b272846c570a87d9589934d980d81d917641e7f702b610",
        "artifact_mtime": "2026-09-12T14:26:46Z",
        "ingested_at": "2026-09-12T14:26:46Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.063336,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2175 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (VIS) on 176 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0507,
        "sigma_xi": 0.063336
      },
      "sigma_syst_complete": 0.081129,
      "sigma_reported": 0.082578,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.2175
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.554,
      "sigma_stat": 0.0608,
      "sigma_syst": 0.1122,
      "n_lines": 55,
      "n_excluded": 2,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06082 dex at n_lines=55",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "931c7dfbadfd3a210c52e44e1255d9d413917cd9b8282c9af94a6bc6b3e0f578",
        "artifact_mtime": "2026-09-10T04:54:40Z",
        "ingested_at": "2026-09-10T04:57:07Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.030576,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1050 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.105,
      "sigma_syst_components": {
        "published_syst": 0.1122,
        "sigma_xi": 0.030576
      },
      "sigma_syst_complete": 0.116292,
      "sigma_reported": 0.24456359353837548,
      "sigma_reported_basis": "RYA-587 canonical total over all 16 contract components (RYA-1226). Supersedes the legacy quadrature, which charged four terms. See `uncertainty` for the component table; terms whose evidence is a bound carry evidence.bound = true.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "star": "solar",
      "uncertainty_indicator_ids": [
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      "uncertainty": {
        "schema": "rya587.uncertainty.v1",
        "scope": {
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          "product_key": "Fe|I|near-UV|kpno_solar_atlas|solar_kpno_kurucz2005_corrected|DEEPGRADED|DEEPGRADED|SYNTH|1D-LTE|our-deep-graded",
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        "components": [
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            "name": "measurement",
            "state": "MEASURED",
            "sigma_dex": 0.06082122643906892,
            "source": "per-line scatter of the accepted pool, band_products artifact",
            "evidence": {
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          },
          {
            "name": "stellar.logg",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar log g is pinned; delta_logg is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.metallicity",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar [Fe/H] is pinned; delta_feh is definitionally zero (RYA-1089)",
            "evidence": {
              "delta": 0.0,
              "parameter_exists": true
            }
          },
          {
            "name": "stellar.teff",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "sourced DEFINED zero: no Teff perturbation has been run on this pool, and the derived response is immaterial at this budget's precision",
            "evidence": {
              "parameter_exists": true,
              "delta_K": 1.0,
              "derived_but_not_perturbed_dex": 0.000665,
              "derived_from": "uncertainty_stack 0.0665 dex/100 K x 1 K",
              "share_of_variance": "0.0004%",
              "owed_measurement": "a Teff perturbation on this pool"
            }
          },
          {
            "name": "pseudo_continuum",
            "state": "MEASURED",
            "sigma_dex": 0.070975,
            "source": "RYA-846 sigma_delta, measured at this band's product lines: Kitt Peak (Kurucz/Brault) vs Wallace+2011 (NSO), two independent reductions, deconfounded from Wallace's own internal scatter. Supersedes the RYA-1113/841 band-flat 0.100 allowance, which RYA-846 records as `assumed_term_dex` -- the number it was built to replace.",
            "evidence": {
              "band": "near-UV",
              "basis": "measured, two-reduction difference",
              "n_lines": 40,
              "n_lines_outside_wallace": 0,
              "raw_at_lines": 0.049380578903038624,
              "wallace_internal": 0.04071404004144703,
              "net_quadrature": 0.027942951102248863,
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              "term_net_dex": 0.070975,
              "lever": 2.54,
              "supersedes_assumed_dex": 0.1,
              "empirical_lower_bound": "RYA-846 states this measures reduction-to-reduction disagreement, not distance from an unobservable true continuum, so it is a LOWER bound",
              "lever_note": "the artifact's lever is 2.54 (RYA-841, 200 fits, +/-4% grid, p16 0.91 / p84 4.68); the directive said 2.42"
            }
          },
          {
            "name": "hfs_isotopes",
            "state": "N/A",
            "sigma_dex": null,
            "source": "every line in this pool has hfs_n_components == 1 (canonical_gf)",
            "evidence": {
              "hfs_n_components": [
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              ]
            }
          },
          {
            "name": "telluric",
            "state": "N/A",
            "sigma_dex": null,
            "source": "3000-3780 A contains no registered telluric band (pipeline.telluric_policy)",
            "evidence": {
              "window_A": [
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                3780
              ],
              "bands_in_window": 0
            }
          },
          {
            "name": "molecular_coupling",
            "state": "N/A",
            "sigma_dex": null,
            "source": "atomic Fe product; the selector is not a MOL- indicator set",
            "evidence": {
              "selector": "DEEPGRADED"
            }
          },
          {
            "name": "holding_instrument",
            "state": "MEASURED",
            "sigma_dex": 0.0,
            "source": "SynthesisHandler harness residual MEASURED against the known optical answer, not assumed zero (control/frontier rule)",
            "evidence": {
              "harness_residual_dex": 0.0
            }
          },
          {
            "name": "continuum",
            "state": "N/A",
            "sigma_dex": null,
            "source": "the per-line continuum fit carries no evidence to price -- continuum_method, continuum_ref and continuum_level are empty on every line in this pool -- and the band-level continuum PLACEMENT uncertainty is measured by RYA-846 and charged once, on pseudo_continuum.",
            "evidence": {
              "per_line_fields_empty": [
                "continuum_method",
                "continuum_ref",
                "continuum_level"
              ],
              "subsumed_by": "pseudo_continuum (RYA-846 measured, 0.070975 dex)",
              "not_double_counted": true,
              "withdrawn_floor_dex": 0.023,
              "why_withdrawn": "it was the OBSERVED SPREAD BETWEEN THE TWO HOLDINGS, which prices each product from its sibling's answer, and it exceeded RYA-846's real measurement -- a bound where a measurement exists (Ryan, 2026-09-19: do not bound-fudge)",
              "holding_values": {
                "solar_kpno_kurucz2005_corrected": 7.554,
                "solar_kpno_molecfit_corrected": 7.508
              },
              "owed_refinement": "sigma_delta for Kurucz2005-vs-1984KP specifically, per ion -- RYA-846 compared Kitt Peak vs Wallace+2011. RYA-1133 recorded this as blocked on Fe II near-UV having no *_lines.csv; RYA-908 emitted them the same day and 14 are in the tree, so it is RUNNABLE, and it would refine rather than unblock -- the term is measured now."
            }
          },
          {
            "name": "model_atmosphere",
            "state": "DEFINED",
            "sigma_dex": 0.004,
            "source": "RYA-1032 atmosphere_nuisance: atlas9 -> marcs-ges, LTE, same pool",
            "evidence": {
              "bound": true,
              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.004,
              "n_hi": 67,
              "n_lo": 67,
              "same_pool": true,
              "varied": "atmosphere",
              "measured_band": "VIS",
              "grid_shift_lever_exists": true,
              "lever_is": "RYA-1032 atmosphere_nuisance: A(marcs-ges) 7.451 - A(atlas9) 7.447 = 0.004, one axis varied",
              "stagger_step_is_a_different_axis": {
                "step": "RYA-1032 dimensionality_step",
                "delta_dex": 0.101,
                "varied": "dim",
                "from": "marcs-ges (1D-LTE)",
                "to": "stagger-mean3d (<3D>-LTE)",
                "why_not_charged": "dimensionality, not grid choice -- the feed carries <3D> as its own treatment"
              }
            }
          },
          {
            "name": "profile_ew",
            "state": "DEFINED",
            "sigma_dex": 0.216,
            "source": "RYA-1220 fit half-width excursion, +/-0.25 A vs +/-1.1 A",
            "evidence": {
              "bound": true,
              "status": "systematic under development -- NOT demonstrably conservative",
              "delta_dex": 0.216,
              "measured_on": "N I 8216.336 A, solar_iag",
              "cross_element": true,
              "cross_band": true,
              "cross_holding": true,
              "source_artifact_says": "steps_are_adopted_uncertainties: false; status: diagnostic_only",
              "owed_measurement": "half-width sweep on the near-UV Fe pool at its own fixed +/-0.4 A"
            }
          },
          {
            "name": "blends",
            "state": "N/A",
            "sigma_dex": null,
            "source": "no un-modelled resolvable blends exist in this band: RYA-1190 measured the near-UV list to BE the full VALD extract ('nothing to complete'), and the opacity deficit it did find was corrected by RYA-1204 and wired into this synthesis by RYA-1207.",
            "evidence": {
              "rya1190_verdict": "the near-UV list IS the VALD extract -- nothing to complete; the residual was the OPACITY deficit, not catalogueable blends",
              "opacity_deficit_corrected_by": [
                "RYA-1204",
                "RYA-1207"
              ],
              "synthesis_is_post_correction": true,
              "limiting_term_is": "pseudo_continuum / normalization (RYA-841), measured by RYA-846",
              "withdrawn_bound_dex": 0.1721,
              "why_withdrawn": "RYA-1190's PRE-correction deficit. It measured the band before RYA-1204/1207; carrying it as a ceiling bills this product for an error the synthesis it ran on has already removed.",
              "withdrawn_alternative_dex": 0.028,
              "why_alternative_also_withdrawn": "also pre-correction -- it is how much a completeness build would have closed, and there is nothing left to complete"
            }
          },
          {
            "name": "nlte",
            "state": "N/A",
            "sigma_dex": null,
            "source": "this leg applies no departures: nlte_delta_dex is 0 on every line and nlte_source reads 'none -- LTE'",
            "evidence": {
              "nlte_delta_dex": 0.0
            }
          },
          {
            "name": "stellar.xi",
            "state": "MEASURED",
            "sigma_dex": 0.049504000000000006,
            "source": "per-line paired differential at xi 0.90/1.10 on this product's OWN pool, on the current molecular synthesis",
            "evidence": {
              "pool_sha256": "edbafafe93bf11061a68150a41b070e4f58ed40ba1493f77c707b084d747854a",
              "parameter_source": "RYA-1089 sourced solar delta_xi = 0.2912 km/s, the honest method+selection spread |0.709 - 1.0|",
              "response_assessment": "MEASURED and ASYMMETRIC: A(1.1)-A(1.0) = -0.0180 against A(1.0)-A(0.9) = -0.0110 per 0.1 km/s (n=55 both), i.e. the upward side responds 64% harder. The published sigma uses the central response per the campaign convention; the asymmetry is recorded here rather than averaged away.",
              "signed_response_dex": -0.049504000000000006,
              "delta_plus_dex": -0.049504000000000006,
              "delta_minus_dex": 0.049504000000000006,
              "delta_parameter": 0.2912,
              "dA_dxi": -0.17,
              "delta_xi_kms": 0.2912,
              "parameter_exists": true
            }
          },
          {
            "name": "transition_data",
            "state": "MEASURED",
            "sigma_dex": 0.04418181818181819,
            "source": "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
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                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
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                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)",
                "Den Hartog et al. 2019, ApJS 243, 33 (DOI 10.3847/1538-4365/ab322e)"
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        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "6051092638144fc8633f30151ed496c68c96a50c7b7d7da7197446a41d650b65",
        "artifact_mtime": "2026-09-10T04:55:19Z",
        "ingested_at": "2026-09-10T04:57:07Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.030576,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1050 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.105,
      "sigma_syst_components": {
        "published_syst": 0.1122,
        "sigma_xi": 0.030576
      },
      "sigma_syst_complete": 0.116292,
      "sigma_reported": 0.2483123976890423,
      "sigma_reported_basis": "RYA-587 canonical total over all 16 contract components (RYA-1226). Supersedes the legacy quadrature, which charged four terms. See `uncertainty` for the component table; terms whose evidence is a bound carry evidence.bound = true.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate",
      "star": "solar",
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      "uncertainty": {
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            "source": "solar log g is pinned; delta_logg is definitionally zero (RYA-1089)",
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          },
          {
            "name": "stellar.metallicity",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "solar [Fe/H] is pinned; delta_feh is definitionally zero (RYA-1089)",
            "evidence": {
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          },
          {
            "name": "stellar.teff",
            "state": "DEFINED",
            "sigma_dex": 0.0,
            "source": "sourced DEFINED zero: no Teff perturbation has been run on this pool, and the derived response is immaterial at this budget's precision",
            "evidence": {
              "parameter_exists": true,
              "delta_K": 1.0,
              "derived_but_not_perturbed_dex": 0.000665,
              "derived_from": "uncertainty_stack 0.0665 dex/100 K x 1 K",
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              "owed_measurement": "a Teff perturbation on this pool"
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          },
          {
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            "state": "MEASURED",
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            "source": "RYA-846 sigma_delta, measured at this band's product lines: Kitt Peak (Kurucz/Brault) vs Wallace+2011 (NSO), two independent reductions, deconfounded from Wallace's own internal scatter. Supersedes the RYA-1113/841 band-flat 0.100 allowance, which RYA-846 records as `assumed_term_dex` -- the number it was built to replace.",
            "evidence": {
              "band": "near-UV",
              "basis": "measured, two-reduction difference",
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              "supersedes_assumed_dex": 0.1,
              "empirical_lower_bound": "RYA-846 states this measures reduction-to-reduction disagreement, not distance from an unobservable true continuum, so it is a LOWER bound",
              "lever_note": "the artifact's lever is 2.54 (RYA-841, 200 fits, +/-4% grid, p16 0.91 / p84 4.68); the directive said 2.42"
            }
          },
          {
            "name": "hfs_isotopes",
            "state": "N/A",
            "sigma_dex": null,
            "source": "every line in this pool has hfs_n_components == 1 (canonical_gf)",
            "evidence": {
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            }
          },
          {
            "name": "telluric",
            "state": "N/A",
            "sigma_dex": null,
            "source": "3000-3780 A contains no registered telluric band (pipeline.telluric_policy)",
            "evidence": {
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              "bands_in_window": 0
            }
          },
          {
            "name": "molecular_coupling",
            "state": "N/A",
            "sigma_dex": null,
            "source": "atomic Fe product; the selector is not a MOL- indicator set",
            "evidence": {
              "selector": "DEEPGRADED"
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          },
          {
            "name": "holding_instrument",
            "state": "MEASURED",
            "sigma_dex": 0.0,
            "source": "SynthesisHandler harness residual MEASURED against the known optical answer, not assumed zero (control/frontier rule)",
            "evidence": {
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          },
          {
            "name": "continuum",
            "state": "N/A",
            "sigma_dex": null,
            "source": "the per-line continuum fit carries no evidence to price -- continuum_method, continuum_ref and continuum_level are empty on every line in this pool -- and the band-level continuum PLACEMENT uncertainty is measured by RYA-846 and charged once, on pseudo_continuum.",
            "evidence": {
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                "continuum_ref",
                "continuum_level"
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              "subsumed_by": "pseudo_continuum (RYA-846 measured, 0.070975 dex)",
              "not_double_counted": true,
              "withdrawn_floor_dex": 0.023,
              "why_withdrawn": "it was the OBSERVED SPREAD BETWEEN THE TWO HOLDINGS, which prices each product from its sibling's answer, and it exceeded RYA-846's real measurement -- a bound where a measurement exists (Ryan, 2026-09-19: do not bound-fudge)",
              "holding_values": {
                "solar_kpno_kurucz2005_corrected": 7.562,
                "solar_kpno_molecfit_corrected": 7.516
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              "owed_refinement": "sigma_delta for Kurucz2005-vs-1984KP specifically, per ion -- RYA-846 compared Kitt Peak vs Wallace+2011. RYA-1133 recorded this as blocked on Fe II near-UV having no *_lines.csv; RYA-908 emitted them the same day and 14 are in the tree, so it is RUNNABLE, and it would refine rather than unblock -- the term is measured now."
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          },
          {
            "name": "model_atmosphere",
            "state": "DEFINED",
            "sigma_dex": 0.004,
            "source": "RYA-1032 atmosphere_nuisance: atlas9 -> marcs-ges, LTE, same pool",
            "evidence": {
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              "status": "measured on the VIS Fe I pool, carried cross-band",
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              "n_hi": 67,
              "n_lo": 67,
              "same_pool": true,
              "varied": "atmosphere",
              "measured_band": "VIS",
              "grid_shift_lever_exists": true,
              "lever_is": "RYA-1032 atmosphere_nuisance: A(marcs-ges) 7.451 - A(atlas9) 7.447 = 0.004, one axis varied",
              "stagger_step_is_a_different_axis": {
                "step": "RYA-1032 dimensionality_step",
                "delta_dex": 0.101,
                "varied": "dim",
                "from": "marcs-ges (1D-LTE)",
                "to": "stagger-mean3d (<3D>-LTE)",
                "why_not_charged": "dimensionality, not grid choice -- the feed carries <3D> as its own treatment"
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          },
          {
            "name": "profile_ew",
            "state": "DEFINED",
            "sigma_dex": 0.216,
            "source": "RYA-1220 fit half-width excursion, +/-0.25 A vs +/-1.1 A",
            "evidence": {
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              "status": "systematic under development -- NOT demonstrably conservative",
              "delta_dex": 0.216,
              "measured_on": "N I 8216.336 A, solar_iag",
              "cross_element": true,
              "cross_band": true,
              "cross_holding": true,
              "source_artifact_says": "steps_are_adopted_uncertainties: false; status: diagnostic_only",
              "owed_measurement": "half-width sweep on the near-UV Fe pool at its own fixed +/-0.4 A"
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          },
          {
            "name": "blends",
            "state": "N/A",
            "sigma_dex": null,
            "source": "no un-modelled resolvable blends exist in this band: RYA-1190 measured the near-UV list to BE the full VALD extract ('nothing to complete'), and the opacity deficit it did find was corrected by RYA-1204 and wired into this synthesis by RYA-1207.",
            "evidence": {
              "rya1190_verdict": "the near-UV list IS the VALD extract -- nothing to complete; the residual was the OPACITY deficit, not catalogueable blends",
              "opacity_deficit_corrected_by": [
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              "withdrawn_bound_dex": 0.1721,
              "why_withdrawn": "RYA-1190's PRE-correction deficit. It measured the band before RYA-1204/1207; carrying it as a ceiling bills this product for an error the synthesis it ran on has already removed.",
              "withdrawn_alternative_dex": 0.028,
              "why_alternative_also_withdrawn": "also pre-correction -- it is how much a completeness build would have closed, and there is nothing left to complete"
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            "evidence": {
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              "status": "measured on the VIS Fe I pool, carried cross-band",
              "delta_dex": 0.043,
              "deconfounded_dex": 0.039,
              "varied": "family",
              "measured_band": "VIS",
              "owed_measurement": "the Gerber/Bergemann disagreement on the near-UV pool itself"
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          },
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            "name": "stellar.xi",
            "state": "MEASURED",
            "sigma_dex": 0.049504000000000006,
            "source": "per-line paired differential at xi 0.90/1.10 on this product's OWN pool, on the current molecular synthesis",
            "evidence": {
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              "parameter_source": "RYA-1089 sourced solar delta_xi = 0.2912 km/s, the honest method+selection spread |0.709 - 1.0|",
              "response_assessment": "MEASURED and ASYMMETRIC: A(1.1)-A(1.0) = -0.0180 against A(1.0)-A(0.9) = -0.0110 per 0.1 km/s (n=55 both), i.e. the upward side responds 64% harder. The published sigma uses the central response per the campaign convention; the asymmetry is recorded here rather than averaged away.",
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              "delta_minus_dex": 0.049504000000000006,
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          },
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        "covariance_order": [
          "measurement",
          "stellar.logg",
          "stellar.metallicity",
          "stellar.teff",
          "pseudo_continuum",
          "holding_instrument",
          "model_atmosphere",
          "profile_ew",
          "nlte",
          "stellar.xi",
          "transition_data"
        ],
        "covariance_source": "components treated as independent of one another; the within-component correlations (shared gf source) are carried inside transition_data's own covariance",
        "assumptions": "solar log g and [Fe/H] are pinned, so their responses are definitionally zero rather than unmeasured",
        "state": "COMPLETE",
        "holds": [],
        "sigma_reported": 0.2483123976890423,
        "sigma_measured_partial": 0.2483123976890423
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    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.56,
      "sigma_stat": 0.0611,
      "sigma_syst": 0.1128,
      "n_lines": 56,
      "n_excluded": 2,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06107 dex at n_lines=56",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "64bc4ab03411e84946719bb412c614b65dc619fedeb21b8cc74c1672ca0f78ba",
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        "ingested_at": "2026-09-12T08:17:35Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.045864,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1575 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 56 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1128,
        "sigma_xi": 0.045864
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      "sigma_syst_complete": 0.121768,
      "sigma_reported": 0.136237,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1575
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.569,
      "sigma_stat": 0.0611,
      "sigma_syst": 0.1128,
      "n_lines": 56,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06106 dex at n_lines=56",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
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        "ingested_at": "2026-09-12T08:17:35Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.045864,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1575 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 56 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1128,
        "sigma_xi": 0.045864
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      "sigma_syst_complete": 0.121768,
      "sigma_reported": 0.136237,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1575
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    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.565,
      "sigma_stat": 0.0538,
      "sigma_syst": 0.1127,
      "n_lines": 56,
      "n_excluded": 2,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05382 dex at n_lines=56",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "e87e94dbedeaef0e9ef33c3de603553d29483772555c4e703cce1466388cf64e",
        "artifact_mtime": "2026-09-12T10:11:21Z",
        "ingested_at": "2026-09-12T10:11:22Z"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.032032,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1100 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 56 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1127,
        "sigma_xi": 0.032032
      },
      "sigma_syst_complete": 0.117164,
      "sigma_reported": 0.128926,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.11
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.508,
      "sigma_stat": 0.0636,
      "sigma_syst": 0.1124,
      "n_lines": 54,
      "n_excluded": 3,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06359 dex at n_lines=54",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "e1ea3958c3561eb848713c039efc168524b0e127bfc3179315e81f514c219380",
        "artifact_mtime": "2026-09-10T04:54:35Z",
        "ingested_at": "2026-09-10T04:57:07Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.03276,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1125 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1125,
      "sigma_syst_components": {
        "published_syst": 0.1124,
        "sigma_xi": 0.03276
      },
      "sigma_syst_complete": 0.117077,
      "sigma_reported": 0.133237,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.516,
      "sigma_stat": 0.0636,
      "sigma_syst": 0.1124,
      "n_lines": 54,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06359 dex at n_lines=54",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "ac367756c9f8ba3e46d2686612f3a99e850e6c1e8a9edd8c7a70c7296977cca0",
        "artifact_mtime": "2026-09-10T04:55:17Z",
        "ingested_at": "2026-09-10T04:57:07Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.03276,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1125 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1125,
      "sigma_syst_components": {
        "published_syst": 0.1124,
        "sigma_xi": 0.03276
      },
      "sigma_syst_complete": 0.117077,
      "sigma_reported": 0.133237,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "grade_variant": "laboratory gf, above the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.512,
      "sigma_stat": 0.0646,
      "sigma_syst": 0.113,
      "n_lines": 55,
      "n_excluded": 3,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06462 dex at n_lines=55",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "0f5eb3fa5b415e30d0cfde6528300dc50d55b631f112525b6cb3986df071535e",
        "artifact_mtime": "2026-09-12T08:17:35Z",
        "ingested_at": "2026-09-12T08:17:36Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.051688,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1775 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 54 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.113,
        "sigma_xi": 0.051688
      },
      "sigma_syst_complete": 0.12426,
      "sigma_reported": 0.140049,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1775
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.518,
      "sigma_stat": 0.0646,
      "sigma_syst": 0.113,
      "n_lines": 55,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.06462 dex at n_lines=55",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
        "sha256": "b35d7979dcbb7df852bea779f4269bc27d69f78ff211d394c4ae256a75e4a538",
        "artifact_mtime": "2026-09-12T08:17:35Z",
        "ingested_at": "2026-09-12T08:17:36Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.051688,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1775 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 54 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.113,
        "sigma_xi": 0.051688
      },
      "sigma_syst_complete": 0.12426,
      "sigma_reported": 0.140049,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1775
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.467,
      "sigma_stat": 0.0525,
      "sigma_syst": 0.1126,
      "n_lines": 57,
      "n_excluded": 1,
      "dominant_term": "pseudo-continuum",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.05247 dex at n_lines=57",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
        "sha256": "63eddd3bb4ed74ca690ef20957ce15aa749211065f1638b9d22b5c4a3c619ae9",
        "artifact_mtime": "2026-09-12T10:11:21Z",
        "ingested_at": "2026-09-12T10:11:22Z"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-12T10:11:32Z",
      "annotation_reason": "RYA-1213: the two new near-UV Fe I Reference Gerber-LTE rows landed after the previous annotation pass. Every near-UV product must state the band's residual opacity deficit or it reads as a converged answer.",
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0364,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1250 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 57 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1126,
        "sigma_xi": 0.0364
      },
      "sigma_syst_complete": 0.118337,
      "sigma_reported": 0.12946,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
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      "selector": "GRADED",
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      "display": "Synth \u00b7 1D-LTE",
      "A": 7.448,
      "sigma_stat": 0.0243,
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      "n_lines": 68,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
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      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_products.csv",
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      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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        6910.0,
        9199.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.04368,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 68 paired lines by RYA-1168 (data/results/redopt_xi/redopt_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/redopt_xi/redopt_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.15,
      "sigma_syst_components": {
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        "sigma_xi": 0.04368
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      "sigma_syst_complete": 0.070235,
      "sigma_reported": 0.07432,
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      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
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        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
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        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
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      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
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      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.46,
      "sigma_stat": 0.0406,
      "sigma_syst": 0.055,
      "n_lines": 35,
      "n_excluded": 33,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.04058 dex at n_lines=35",
      "route": "SYNTH",
      "provenance": {
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        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-A_products.csv",
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        "ingested_at": "2026-09-08T18:51:49Z"
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      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.049504,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1700 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 35 paired lines by RYA-1168 (data/results/redopt_xi/redopt_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/redopt_xi/redopt_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.17,
      "sigma_syst_components": {
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      "sigma_syst_complete": 0.073998,
      "sigma_reported": 0.084404,
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      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
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        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
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      "ion": "I",
      "band": "red-optical",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.491,
      "sigma_stat": 0.0242,
      "sigma_syst": 0.055,
      "n_lines": 68,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02421 dex at n_lines=68",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
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      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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      "wavelength_range_basis": "artifact stem",
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      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.04368,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 68 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
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      "sigma_syst_complete": 0.070235,
      "sigma_reported": 0.074287,
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        "gf_source": "laboratory (canonical_gf LAB tier)",
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        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
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      "band": "red-optical",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
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      "sigma_stat": 0.0244,
      "sigma_syst": 0.055,
      "n_lines": 68,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02437 dex at n_lines=68",
      "route": "SYNTH",
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        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
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      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.04368,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 68 paired lines by RYA-1227 (data/results/rya1227/codex_deep_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
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        "sigma_xi": 0.04368
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      "sigma_syst_complete": 0.070235,
      "sigma_reported": 0.074353,
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      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate",
      "xi_source": "data/results/rya1227/codex_deep_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.15
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.448,
      "sigma_stat": 0.0243,
      "sigma_syst": 0.055,
      "n_lines": 68,
      "n_excluded": 2,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02425 dex at n_lines=68",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_6910_9199_iag_fts_solar_atlas_solar_iag_SYNTH_REFERENCE_products.csv",
        "sha256": "d296603d9a0a5c461296c6168d2d01c29151f4e191ca43ac0e5b395c997e28df",
        "artifact_mtime": "2026-09-12T08:17:35Z",
        "ingested_at": "2026-09-12T08:17:37Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
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      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.042952,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1475 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 68 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.055,
        "sigma_xi": 0.042952
      },
      "sigma_syst_complete": 0.069784,
      "sigma_reported": 0.073894,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1475
    },
    {
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      "ion": "I",
      "band": "red-optical",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.46,
      "sigma_stat": 0.0406,
      "sigma_syst": 0.055,
      "n_lines": 35,
      "n_excluded": 33,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.04058 dex at n_lines=35",
      "route": "SYNTH",
      "provenance": {
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      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.454,
      "sigma_stat": 0.0163,
      "sigma_syst": 0.0566,
      "n_lines": 69,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01631 dex at n_lines=69",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
        "sha256": "c33f83bb7b400a8343255e10d439f18da6bf10bee0f005432b34d0fab3171eb7",
        "artifact_mtime": "2026-09-08T16:32:10Z",
        "ingested_at": "2026-09-08T18:51:50Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.0566,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.0566,
      "sigma_reported": 0.0589,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.458,
      "sigma_stat": 0.0165,
      "sigma_syst": 0.0566,
      "n_lines": 69,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01652 dex at n_lines=69",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_products.csv",
        "sha256": "a7729762883017c87db86e71024c7903250b2e4d23b777bf83f8d111d3210161",
        "artifact_mtime": "2026-09-12T08:17:35Z",
        "ingested_at": "2026-09-12T08:17:35Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.040768,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1400 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 69 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0566,
        "sigma_xi": 0.040768
      },
      "sigma_syst_complete": 0.069754,
      "sigma_reported": 0.071679,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.14
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.451,
      "sigma_stat": 0.0167,
      "sigma_syst": 0.0566,
      "n_lines": 35,
      "n_excluded": 34,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01674 dex at n_lines=35",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
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        "artifact_mtime": "2026-09-12T08:17:35Z",
        "ingested_at": "2026-09-12T08:17:35Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.046592,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1600 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 35 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0566,
        "sigma_xi": 0.046592
      },
      "sigma_syst_complete": 0.07331,
      "sigma_reported": 0.075188,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.16
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.498,
      "sigma_stat": 0.0162,
      "sigma_syst": 0.0566,
      "n_lines": 69,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01625 dex at n_lines=69",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_ENGINE-B-NLTE_products.csv",
        "sha256": "d5ebd1deac115e1735f5f5d2d7c1bd17d1e9c6eeb705b84ad8574e02c467a186",
        "artifact_mtime": "2026-09-12T08:56:12Z",
        "ingested_at": "2026-09-12T08:56:13Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.042224,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1450 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 69 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0566,
        "sigma_xi": 0.042224
      },
      "sigma_syst_complete": 0.070615,
      "sigma_reported": 0.072449,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.145
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.454,
      "sigma_stat": 0.0163,
      "sigma_syst": 0.0566,
      "n_lines": 69,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01631 dex at n_lines=69",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_REFERENCE_synth-1D-LTE-gerber_products.csv",
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        "artifact_mtime": "2026-09-12T08:17:35Z",
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      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.048048,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1650 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 69 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.0566,
        "sigma_xi": 0.048048
      },
      "sigma_syst_complete": 0.074244,
      "sigma_reported": 0.076012,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.165
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.484,
      "sigma_stat": 0.0287,
      "sigma_syst": 0.055,
      "n_lines": 53,
      "n_excluded": 3,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02867 dex at n_lines=53",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
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        "artifact_mtime": "2026-09-08T17:33:07Z",
        "ingested_at": "2026-09-08T18:51:51Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.042952,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1475 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 56 paired lines by RYA-1168 (data/results/redopt_xi/redopt_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/redopt_xi/redopt_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1475,
      "sigma_syst_components": {
        "published_syst": 0.055,
        "sigma_xi": 0.042952
      },
      "sigma_syst_complete": 0.069784,
      "sigma_reported": 0.075455,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
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        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
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      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.493,
      "sigma_stat": 0.0255,
      "sigma_syst": 0.055,
      "n_lines": 27,
      "n_excluded": 26,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02548 dex at n_lines=27",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
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      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.04368,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 28 paired lines by RYA-1168 (data/results/redopt_xi/redopt_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "xi_source": "data/results/redopt_xi/redopt_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.15,
      "sigma_syst_components": {
        "published_syst": 0.055,
        "sigma_xi": 0.04368
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      "sigma_syst_complete": 0.070235,
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      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
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    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B-NLTE",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Gerber",
      "A": 7.507,
      "sigma_stat": 0.0285,
      "sigma_syst": 0.055,
      "n_lines": 53,
      "n_excluded": 3,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02853 dex at n_lines=53",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-B-NLTE_products.csv",
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      },
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      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
      "code_commit": "27609ac4ea60c975c7013d983393bbf7d4809acc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
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        "sigma_xi": null
      },
      "sigma_syst_complete": 0.055,
      "sigma_reported": 0.061946,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
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      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "synth-1D-LTE-gerber",
      "display": "Synth \u00b7 1D-LTE \u00b7 Gerber",
      "A": 7.478,
      "sigma_stat": 0.0284,
      "sigma_syst": 0.055,
      "n_lines": 53,
      "n_excluded": 3,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02844 dex at n_lines=53",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1203/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_synth-1D-LTE-gerber_products.csv",
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      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
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      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": null,
      "xi_state": "UNMEASURED",
      "xi_note": "xi APPLIES to this product and the derivative is OWED \u2014 this is not an exemption. no perturb-and-re-derive on this pool; dA/dxi is a property of the LINE SET (RYA-1093) so no element-level number may stand in",
      "sigma_syst_components": {
        "published_syst": 0.055,
        "sigma_xi": null
      },
      "sigma_syst_complete": 0.055,
      "sigma_reported": 0.0619,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "marcs-ges / gerber",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "Molecular opacity INCLUDED \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines as Turbospectrum lists with the dominant isotopologue (RYA-1207). The band previously carried none: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and control windows containing no molecular line bit-identical. RYA-1209 additionally curated out Fe I 3721.272 (systematic:K07 \u2014 gf attributed to a VALD3 reference that publishes no per-line uncertainty, no NIST accuracy class, so it never met the DEEPGRADED tier's lab-gf definition); the Fe I pool is 57 candidates and the budget clears at gf rung 3 (cited lab), 55/55 GF-LAB, RMS 0.0509 dex. RESIDUAL DEFICIT: the correction still UNDER-corrects \u2014 RYA-1204 measured synth/obs above 1 on 24 of 40 windows after it \u2014 so the band remains short of opacity by an amount not yet measured on this pool, and these values are a floor rather than a converged answer. sigma_syst is unchanged at 0.1122 because it is dominated by the 0.10 dex pseudo-continuum term, not by gf: the true continuum is never observed here. Not adopted for the headline. The headline is the per-band best-available product, selected from this feed by the publication generator rather than fixed as a constant: RYA-850 promoted the graded laboratory-gf pool to the PRIMARY reported value, and RYA-819 retired the earlier constructed anchor after showing its Magic-2013 correction wrong in both magnitude and shape. RYA-161: nothing calibrated to a target.",
      "annotated_at": "2026-09-10T22:20:11Z",
      "annotation_reason": "RYA-1208: the two near-UV Fe II `synth-1D-LTE-gerber` cells carry the band's opacity state like every other near-UV product. They were run on the post-RYA-1207 code, so molecular opacity IS included -- verified against the pool rather than assumed: this leg reads 7.422 beside its molecules-on 1D-LTE sibling at 7.402 on the same 12-line pool, where a molecules-OFF run would sit ~0.3 dex higher (RYA-1207 measured the Fe II lever at -0.276..-0.332 dex). The note is the band's, copied verbatim so every near-UV product states the same residual.",
      "grade_variant": "laboratory gf, at or below the 0.60 feature-depth gate"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.484,
      "sigma_stat": 0.0287,
      "sigma_syst": 0.055,
      "n_lines": 53,
      "n_excluded": 4,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02867 dex at n_lines=53",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_products.csv",
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      },
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      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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        9199.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-19T05:36:46Z",
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      "sigma_xi": 0.04368,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 53 paired lines by RYA-1213 (data/results/rya1213/reference_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
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        "sigma_xi": 0.04368
      },
      "sigma_syst_complete": 0.070235,
      "sigma_reported": 0.075873,
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      "science_provenance": {
        "gf_source": null,
        "gf_grade": "fallback",
        "gf_citation": null,
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
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        "line_set_citation": "Codex canonical_gf pool, tier REFERENCE (RYA-353/945)"
      },
      "xi_source": "data/results/rya1213/reference_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.15
    },
    {
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      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "REFERENCE",
      "selector": "REFERENCE",
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      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
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      "n_lines": 27,
      "n_excluded": 26,
      "dominant_term": "gf scale (cited lab)",
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02548 dex at n_lines=27",
      "route": "SYNTH",
      "provenance": {
        "host": "Sirius",
        "path": "/home/damienabraxas/scratch/rya1213/data/results/band_products/",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_REFERENCE_ENGINE-A_products.csv",
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        "ingested_at": "2026-09-12T08:17:36Z"
      },
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      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "grade_variant": "full laboratory pool \u2014 every primary-lab gf line canonical_gf holds in this band, on OUR gf scale, with the depth gate not applied (RYA-1213)",
      "line_set_resolved": "reference",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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        9199.0
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      "wavelength_range_basis": "artifact stem",
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      "sigma_reported": 0.074721,
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      "science_provenance": {
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      "display": "Synth \u00b7 1D-LTE",
      "A": 7.546,
      "sigma_stat": 0.1588,
      "sigma_syst": 0.0615,
      "n_lines": 25,
      "n_excluded": 3,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_9199_11083_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-B_products.csv",
        "copied_to": "data/results/band_products/FeI_9199_11083_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-B_products.csv",
        "sha256": "ef366fe0cf922aadbb04246df6cfd98cd49d54915a40bec1ecf4b359799ae28b",
        "artifact_mtime": "2026-08-25T18:40:09Z",
        "ingested_at": "2026-08-25T18:40:37Z"
      },
      "superseded_at": "2026-08-28T14:31:12Z",
      "superseded_reason_code": "DUPLICATE_RETIRED_LABEL",
      "superseded_by": {
        "element": "Fe",
        "ion": "I",
        "band": "NIR",
        "instrument": "iag_fts_solar_atlas",
        "holding": "solar_iag",
        "tier": "GRADED",
        "selector": "GRADED",
        "route": "SYNTH",
        "treatment": "1D-LTE"
      },
      "superseded_reason": "`ENGINE-B` is a retired spelling of `1D-LTE` measured by the synthesis handler, NOT a separate engine: pipeline/treatment_axes.py::LEGACY declares identical axes for the two (scale=1D-LTE, model=none, gf=kurucz), and the only thing the token added was a pinned route that RYA-906 moved onto the handler. This record and the surviving `1D-LTE` product in the same cell carry byte-identical A, sigma_stat, sigma_syst, n_lines, n_excluded -- one measurement published twice under two names, which put two rows with the same display name on the live element page. Withdrawn, not deleted (RYA-711): the record is kept in full and `superseded_by` names the surviving twin, so this is reversible."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.621,
      "sigma_stat": 0.1746,
      "sigma_syst": 0.0616,
      "n_lines": 26,
      "n_excluded": 2,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-B_products.csv",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-B_products.csv",
        "sha256": "3131581d6e24a1cf6ae4dd0b0dc4d1b7b3a0b6fee197dc26bd26f8c726e0ec67",
        "artifact_mtime": "2026-08-25T16:24:29Z",
        "ingested_at": "2026-08-25T16:24:57Z"
      },
      "superseded_at": "2026-08-28T14:31:12Z",
      "superseded_reason_code": "DUPLICATE_RETIRED_LABEL",
      "superseded_by": {
        "element": "Fe",
        "ion": "I",
        "band": "NIR",
        "instrument": "kpno_solar_atlas",
        "holding": "solar_kpno_molecfit_corrected",
        "tier": "GRADED",
        "selector": "GRADED",
        "route": "SYNTH",
        "treatment": "1D-LTE"
      },
      "superseded_reason": "`ENGINE-B` is a retired spelling of `1D-LTE` measured by the synthesis handler, NOT a separate engine: pipeline/treatment_axes.py::LEGACY declares identical axes for the two (scale=1D-LTE, model=none, gf=kurucz), and the only thing the token added was a pinned route that RYA-906 moved onto the handler. This record and the surviving `1D-LTE` product in the same cell carry byte-identical A, sigma_stat, sigma_syst, n_lines, n_excluded -- one measurement published twice under two names, which put two rows with the same display name on the live element page. Withdrawn, not deleted (RYA-711): the record is kept in full and `superseded_by` names the surviving twin, so this is reversible."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED-LOCALRENORM",
      "treatment": "ENGINE-B",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.339,
      "sigma_stat": 0.0328,
      "sigma_syst": 0.041,
      "n_lines": 109,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_LOCALRENORM_ENGINE-B_products.csv",
        "copied_to": "data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_LOCALRENORM_ENGINE-B_products.csv",
        "sha256": "3be29416f994712ce1184bba1ce16b56f3026c2f6c8f0dc30feac648b53011a1",
        "artifact_mtime": "2026-08-25T18:18:09Z",
        "ingested_at": "2026-08-25T18:19:40Z"
      },
      "superseded_at": "2026-08-28T14:31:12Z",
      "superseded_reason_code": "DUPLICATE_RETIRED_LABEL",
      "superseded_by": {
        "element": "Fe",
        "ion": "I",
        "band": "VIS",
        "instrument": "harps",
        "holding": "solar_harps_molecfit_corrected",
        "tier": "DEEPGRADED",
        "selector": "DEEPGRADED-LOCALRENORM",
        "route": "SYNTH",
        "treatment": "1D-LTE"
      },
      "superseded_reason": "`ENGINE-B` is a retired spelling of `1D-LTE` measured by the synthesis handler, NOT a separate engine: pipeline/treatment_axes.py::LEGACY declares identical axes for the two (scale=1D-LTE, model=none, gf=kurucz), and the only thing the token added was a pinned route that RYA-906 moved onto the handler. This record and the surviving `1D-LTE` product in the same cell carry byte-identical A, sigma_stat, sigma_syst, n_lines, n_excluded -- one measurement published twice under two names, which put two rows with the same display name on the live element page. Withdrawn, not deleted (RYA-711): the record is kept in full and `superseded_by` names the surviving twin, so this is reversible."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-B",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.642,
      "sigma_stat": 0.0857,
      "sigma_syst": 0.1122,
      "n_lines": 58,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-B_products.csv",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-B_products.csv",
        "sha256": "e7f28b8818c43261cd89d0592390718d4d9f0e25bd3d3fc0e527071162f62410",
        "artifact_mtime": "2026-08-26T17:08:47Z",
        "ingested_at": "2026-08-26T17:09:37Z"
      },
      "superseded_at": "2026-08-28T14:31:12Z",
      "superseded_reason_code": "DUPLICATE_RETIRED_LABEL",
      "superseded_by": {
        "element": "Fe",
        "ion": "I",
        "band": "near-UV",
        "instrument": "kpno_solar_atlas",
        "holding": "solar_kpno_kurucz2005_corrected",
        "tier": "DEEPGRADED",
        "selector": "DEEPGRADED",
        "route": "SYNTH",
        "treatment": "1D-LTE"
      },
      "superseded_reason": "`ENGINE-B` is a retired spelling of `1D-LTE` measured by the synthesis handler, NOT a separate engine: pipeline/treatment_axes.py::LEGACY declares identical axes for the two (scale=1D-LTE, model=none, gf=kurucz), and the only thing the token added was a pinned route that RYA-906 moved onto the handler. This record and the surviving `1D-LTE` product in the same cell carry byte-identical A, sigma_stat, sigma_syst, n_lines, n_excluded -- one measurement published twice under two names, which put two rows with the same display name on the live element page. Withdrawn, not deleted (RYA-711): the record is kept in full and `superseded_by` names the surviving twin, so this is reversible."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-B",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.596,
      "sigma_stat": 0.0898,
      "sigma_syst": 0.1122,
      "n_lines": 58,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-B_products.csv",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-B_products.csv",
        "sha256": "765590b72162f7febd0bf2f0ed38d2b1d728c6361443a63a2e1d4446a1069dcf",
        "artifact_mtime": "2026-08-26T16:43:36Z",
        "ingested_at": "2026-08-26T16:44:30Z"
      },
      "superseded_at": "2026-08-28T14:31:12Z",
      "superseded_reason_code": "DUPLICATE_RETIRED_LABEL",
      "superseded_by": {
        "element": "Fe",
        "ion": "I",
        "band": "near-UV",
        "instrument": "kpno_solar_atlas",
        "holding": "solar_kpno_molecfit_corrected",
        "tier": "DEEPGRADED",
        "selector": "DEEPGRADED",
        "route": "SYNTH",
        "treatment": "1D-LTE"
      },
      "superseded_reason": "`ENGINE-B` is a retired spelling of `1D-LTE` measured by the synthesis handler, NOT a separate engine: pipeline/treatment_axes.py::LEGACY declares identical axes for the two (scale=1D-LTE, model=none, gf=kurucz), and the only thing the token added was a pinned route that RYA-906 moved onto the handler. This record and the surviving `1D-LTE` product in the same cell carry byte-identical A, sigma_stat, sigma_syst, n_lines, n_excluded -- one measurement published twice under two names, which put two rows with the same display name on the live element page. Withdrawn, not deleted (RYA-711): the record is kept in full and `superseded_by` names the surviving twin, so this is reversible."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.462,
      "sigma_stat": 0.0416,
      "sigma_syst": 0.0584,
      "n_lines": 45,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_ENGINE-B_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_ENGINE-B_products.csv",
        "sha256": "f71e5cac28e7bf2f608cc48855a40b4f70934f5bfaf6e8cfdbfcb2bebccf298f",
        "artifact_mtime": "2026-08-26T17:04:13Z",
        "ingested_at": "2026-08-26T17:05:12Z"
      },
      "superseded_at": "2026-08-28T14:31:12Z",
      "superseded_reason_code": "DUPLICATE_RETIRED_LABEL",
      "superseded_by": {
        "element": "Fe",
        "ion": "I",
        "band": "red-optical",
        "instrument": "kpno_solar_atlas",
        "holding": "solar_kpno_kurucz2005_corrected",
        "tier": "GRADED",
        "selector": "GRADED",
        "route": "SYNTH",
        "treatment": "1D-LTE"
      },
      "superseded_reason": "`ENGINE-B` is a retired spelling of `1D-LTE` measured by the synthesis handler, NOT a separate engine: pipeline/treatment_axes.py::LEGACY declares identical axes for the two (scale=1D-LTE, model=none, gf=kurucz), and the only thing the token added was a pinned route that RYA-906 moved onto the handler. This record and the surviving `1D-LTE` product in the same cell carry byte-identical A, sigma_stat, sigma_syst, n_lines, n_excluded -- one measurement published twice under two names, which put two rows with the same display name on the live element page. Withdrawn, not deleted (RYA-711): the record is kept in full and `superseded_by` names the surviving twin, so this is reversible."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-B",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.481,
      "sigma_stat": 0.0782,
      "sigma_syst": 0.0574,
      "n_lines": 56,
      "n_excluded": 1,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-B_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-B_products.csv",
        "sha256": "1b7fd783e63a994dbee39b2c48197fc67d222df4f58a794cfca62a55bd77e48b",
        "artifact_mtime": "2026-08-26T16:38:53Z",
        "ingested_at": "2026-08-26T16:40:09Z"
      },
      "superseded_at": "2026-08-28T14:31:12Z",
      "superseded_reason_code": "DUPLICATE_RETIRED_LABEL",
      "superseded_by": {
        "element": "Fe",
        "ion": "I",
        "band": "red-optical",
        "instrument": "kpno_solar_atlas",
        "holding": "solar_kpno_molecfit_corrected",
        "tier": "GRADED",
        "selector": "GRADED",
        "route": "SYNTH",
        "treatment": "1D-LTE"
      },
      "superseded_reason": "`ENGINE-B` is a retired spelling of `1D-LTE` measured by the synthesis handler, NOT a separate engine: pipeline/treatment_axes.py::LEGACY declares identical axes for the two (scale=1D-LTE, model=none, gf=kurucz), and the only thing the token added was a pinned route that RYA-906 moved onto the handler. This record and the surviving `1D-LTE` product in the same cell carry byte-identical A, sigma_stat, sigma_syst, n_lines, n_excluded -- one measurement published twice under two names, which put two rows with the same display name on the live element page. Withdrawn, not deleted (RYA-711): the record is kept in full and `superseded_by` names the surviving twin, so this is reversible."
    }
  ],
  "archive": [
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.535,
      "sigma_stat": 0.0463,
      "sigma_syst": 0.041,
      "n_lines": 109,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "6d04b4014b9534a3def2ee8c028cbbc8868caae42a27a0dd667eca1dab499139",
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        "ingested_at": "2026-08-24T23:30:19Z"
      },
      "quarantined_at": "2026-08-24T23:36:42Z",
      "quarantine_reason": "PRE-FIX: measured 2026-08-23T18:47Z, before the RYA-933 continuum-placement fix (fafe924, 2026-08-23 18:57 local) that made the corrected Kitt Peak holdings measurable and fixed continuum placement band-wide. Every Fe run in this session postdates that commit; these two do not, so they are not comparable with the rest of the grid. Kept in full \u2014 the pre/post pair is the evidence for what the fix changed.",
      "superseded_at": "2026-08-25T00:08:58Z",
      "superseded_reason": "republished as current: FRESH POST-FIX RE-RUN, 2026-08-24T18:06Z. The withdrawal was 'measured before the RYA-933 continuum-placement fix'; this run is after it, so that reason no longer applies. It reproduces the withdrawn value exactly (7.535, n=109) on different bytes \u2014 the fix is a NULL for this cell, which is itself the result. (was withdrawn: PRE-FIX: measured 2026-08-23T18:47Z, before the RYA-933 continuum-placement fix (fafe924, 2026-08-23 18:57 local) that made the corrected Kitt Peak holdings measurable and fixed continuum placement band-wide. Every Fe run in this session postdates that commit; these two do not, so they are not comparable with the rest of the grid. Kept in full \u2014 the pre/post pair is the evidence for what the fix changed.)",
      "quarantine_codes": "PRE_CONTINUUM_FIX"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.447,
      "sigma_stat": 0.0218,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
        "sha256": "1eb939416be7c801fe476109fbe539fd6e766d68ba4dd1d5d91cce7f74243f7d",
        "artifact_mtime": "2026-08-24T01:11:13Z",
        "ingested_at": "2026-08-24T23:30:23Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "PRE_CONTINUUM_FIX"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:11:13Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:44Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:11:13Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
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      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.454,
      "sigma_stat": 0.0202,
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      "n_lines": 61,
      "n_excluded": 6,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "9e7757f406710650d245587faaf140e13082064bb06cf3725c3852cb19e90c22",
        "artifact_mtime": "2026-08-24T01:11:36Z",
        "ingested_at": "2026-08-24T23:30:23Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "PRE_CONTINUUM_FIX"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:11:36Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:44Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:11:36Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.512,
      "sigma_stat": 0.0214,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_products.csv",
        "sha256": "64f2983f9b8490b2e05d4b1e5bc6e35392aff54848e6c21edbdc5a324d9bb938",
        "artifact_mtime": "2026-08-24T01:28:50Z",
        "ingested_at": "2026-08-24T23:30:20Z",
        "copied_to": "data/results/band_products/_superseded_rya1203_stem_drift/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_products.csv",
        "copied_to_note": "RYA-1203 retired this stem: the generator writes HARPS VIS at 4200_6908 and IAG VIS at 5002_6910, so no live product is built from these bounds. The file moved; the value did not."
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "PRE_CONTINUUM_FIX"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:28:50Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:44Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:28:50Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.5,
      "sigma_stat": 0.0203,
      "sigma_syst": 0.0634,
      "n_lines": 61,
      "n_excluded": 6,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "aa700b7a8355e1f7b0f9cb4f2ebb97e2a6fedb65407704b5e8316312fa647979",
        "artifact_mtime": "2026-08-24T01:29:13Z",
        "ingested_at": "2026-08-24T23:30:20Z",
        "copied_to": "data/results/band_products/_superseded_rya1203_stem_drift/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to_note": "RYA-1203 retired this stem: the generator writes HARPS VIS at 4200_6908 and IAG VIS at 5002_6910, so no live product is built from these bounds. The file moved; the value did not."
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "PRE_CONTINUUM_FIX"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:29:13Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:44Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:29:13Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.493,
      "sigma_stat": 0.0273,
      "sigma_syst": 0.0535,
      "n_lines": 43,
      "n_excluded": 24,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_products.csv",
        "sha256": "20dbaa0f8c55f9496f83dd384327732f2674a8c7c6d2512632bb5bc226f3396d",
        "artifact_mtime": "2026-08-24T01:31:51Z",
        "ingested_at": "2026-08-24T23:30:21Z",
        "copied_to": "data/results/band_products/_superseded_rya1203_stem_drift/FeI_4200_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_products.csv",
        "copied_to_note": "RYA-1203 retired this stem: the generator writes HARPS VIS at 4200_6908 and IAG VIS at 5002_6910, so no live product is built from these bounds. The file moved; the value did not."
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "PRE_CONTINUUM_FIX"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:31:51Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:45Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:31:51Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.484,
      "sigma_stat": 0.0234,
      "sigma_syst": 0.0535,
      "n_lines": 37,
      "n_excluded": 6,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "1c5fb792d6c91dbcebead2b34cac05431f57767a0b8317e46afd694fc22e58a0",
        "artifact_mtime": "2026-08-24T01:32:09Z",
        "ingested_at": "2026-08-24T23:30:21Z",
        "copied_to": "data/results/band_products/_superseded_rya1203_stem_drift/FeI_4200_6910_iag_fts_solar_atlas_solar_iag_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to_note": "RYA-1203 retired this stem: the generator writes HARPS VIS at 4200_6908 and IAG VIS at 5002_6910, so no live product is built from these bounds. The file moved; the value did not."
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "PRE_CONTINUUM_FIX"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:32:09Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:45Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T01:32:09Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.442,
      "sigma_stat": 0.0212,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_products.csv",
        "sha256": "bf4b553792875687a76baef26a4dfe9bf8f5fec63ae982ef5d7abc2b0b3a245d",
        "artifact_mtime": "2026-08-24T02:29:15Z",
        "ingested_at": "2026-08-24T23:30:22Z",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_products.csv"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "PRE_CONTINUUM_FIX"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T02:29:15Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:45Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T02:29:15Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.448,
      "sigma_stat": 0.0193,
      "sigma_syst": 0.0634,
      "n_lines": 61,
      "n_excluded": 6,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "ef1cbd8ef1619e43fbed5a1de03652c3779ebe9db81c9437e9e862abeb99169d",
        "artifact_mtime": "2026-08-24T02:29:40Z",
        "ingested_at": "2026-08-24T23:30:22Z",
        "copied_to": "data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_GRADED_ENGINE-A_products.csv"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
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      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T02:29:40Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T10:48:45Z",
      "superseded_reason": "republished as current: RYA-1096: FRESH POST-FIX RE-RUN on current main. (was withdrawn: RYA-1092 live-eligibility gate: [PRE_CONTINUUM_FIX] artifact produced 2026-08-24T02:29:40Z, before the last of the RYA-933/1030 continuum fixes landed (2026-08-24T03:51:12Z). Not comparable with the grid measured after them. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "EW \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5108,
      "sigma_stat": 0.1818,
      "sigma_syst": null,
      "n_lines": 50,
      "n_excluded": 17,
      "dominant_term": null,
      "route": "EW-3D",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/rya1031_ebn/data/results/rya817/rya817_3dnlte_products.csv",
        "copied_to": "data/results/band_products/rya817.csv",
        "sha256": "3b78bec6be59fe45b30309e6fc8ae70113ff630143d263a74bb9b7a09d46b448",
        "artifact_mtime": "2026-08-24T23:30:40Z",
        "ingested_at": "2026-08-24T23:32:27Z"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "SYST_INCOMPLETE",
        "STAT_BASIS_MISMATCH"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T11:23:54Z",
      "superseded_reason": "republished as current: RYA-1095: Amarsi 3D-NLTE re-run on the CANONICAL lab gf (was VALD) and RYA-1096's post-fix 1D base, with a computed budget. (was withdrawn: RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "EW \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5071,
      "sigma_stat": 0.1861,
      "sigma_syst": null,
      "n_lines": 50,
      "n_excluded": 17,
      "dominant_term": null,
      "route": "EW-3D",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/out_g3d_08d20b/rya817_3dnlte_products.csv",
        "copied_to": "data/results/band_products/out_g3d_08d20b.csv",
        "sha256": "99db4e75d93a9bc9e88d1be2c40fa291cd945f1e80313d822134d5840931a7b1",
        "artifact_mtime": "2026-08-24T23:30:41Z",
        "ingested_at": "2026-08-24T23:32:27Z"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "SYST_INCOMPLETE",
        "STAT_BASIS_MISMATCH"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T11:23:54Z",
      "superseded_reason": "republished as current: RYA-1095: Amarsi 3D-NLTE re-run on the CANONICAL lab gf (was VALD) and RYA-1096's post-fix 1D base, with a computed budget. (was withdrawn: RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "EW \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.526,
      "sigma_stat": 0.1851,
      "sigma_syst": null,
      "n_lines": 39,
      "n_excluded": 28,
      "dominant_term": null,
      "route": "EW-3D",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/out_g3d_7215bb/rya817_3dnlte_products.csv",
        "copied_to": "data/results/band_products/out_g3d_7215bb.csv",
        "sha256": "282d478a592c77c66b31c9034f56633f26b0f361c80fafc989167220bd5c89c8",
        "artifact_mtime": "2026-08-24T23:30:41Z",
        "ingested_at": "2026-08-24T23:32:28Z"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "SYST_INCOMPLETE",
        "STAT_BASIS_MISMATCH"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T11:23:54Z",
      "superseded_reason": "republished as current: RYA-1095: Amarsi 3D-NLTE re-run on the CANONICAL lab gf (was VALD) and RYA-1096's post-fix 1D base, with a computed budget. (was withdrawn: RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "EW \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5001,
      "sigma_stat": 0.1833,
      "sigma_syst": null,
      "n_lines": 50,
      "n_excluded": 17,
      "dominant_term": null,
      "route": "EW-3D",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/out_g3d_9e651a/rya817_3dnlte_products.csv",
        "copied_to": "data/results/band_products/out_g3d_9e651a.csv",
        "sha256": "c8eaa92b679512cc88c1e08ac4e2972d6e51b09c7721e71cb10599ad1d24d6c8",
        "artifact_mtime": "2026-08-24T23:30:41Z",
        "ingested_at": "2026-08-24T23:32:28Z"
      },
      "quarantined_at": "2026-08-28T04:22:41Z",
      "quarantine_codes": [
        "SYST_INCOMPLETE",
        "STAT_BASIS_MISMATCH"
      ],
      "quarantine_reason": "RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.",
      "superseded_at": "2026-08-28T11:23:55Z",
      "superseded_reason": "republished as current: RYA-1095: Amarsi 3D-NLTE re-run on the CANONICAL lab gf (was VALD) and RYA-1096's post-fix 1D base, with a computed budget. (was withdrawn: RYA-1092 live-eligibility gate: [SYST_INCOMPLETE] sigma_syst is null -- the product has no systematic budget, so it has no error bar to publish. [STAT_BASIS_MISMATCH] sigma_stat here is a 'line_scatter' (EW-3D route, band_products.py:506) while the rest of the feed publishes a 'standard_error' (error_budget.py:609). The feed carries no stat_basis field, so `A +/- sigma_stat` renders as comparable when it is not -- this product's bar reads ~sqrt(n) times worse than it is. Moved, not deleted -- every published field is carried across unchanged and this product returns to products[] the moment it passes the gate.)"
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.617,
      "sigma_stat": 0.8271,
      "sigma_syst": 0.0697,
      "n_lines": 3,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/_superseded_rya1203_stem_drift/FeII_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "c8b8c56308eb3bd24aff0c99c5ee01359d5c9eb867c82b5032e1a9c471be1e84",
        "artifact_mtime": "2026-08-25T17:19:07Z",
        "ingested_at": "2026-08-25T17:19:52Z",
        "copied_to_note": "RYA-1203 retired this stem: the generator writes HARPS VIS at 4200_6908 and IAG VIS at 5002_6910, so no live product is built from these bounds. The file moved; the value did not."
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:37Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.046592,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1600 x delta_xi=0.2912 measured on this product's own 3 paired lines",
      "dA_dxi_dex_per_kms": -0.16,
      "sigma_syst_components": {
        "published_syst": 0.0697,
        "sigma_xi": 0.046592
      },
      "sigma_syst_complete": 0.083839,
      "sigma_reported": 0.831338,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "superseded_at": "2026-09-08T18:51:45Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.966,
      "sigma_stat": 0.2759,
      "sigma_syst": 0.0697,
      "n_lines": 9,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/_superseded_rya1203_stem_drift/FeII_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "62f67607c84c3029ae3b3b7eb6262025ecbad95353215b20175cea82ff112fde",
        "artifact_mtime": "2026-08-25T17:19:01Z",
        "ingested_at": "2026-08-25T17:19:53Z",
        "copied_to_note": "RYA-1203 retired this stem: the generator writes HARPS VIS at 4200_6908 and IAG VIS at 5002_6910, so no live product is built from these bounds. The file moved; the value did not."
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:37Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.071344,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2450 x delta_xi=0.2912 measured on this product's own 9 paired lines",
      "dA_dxi_dex_per_kms": -0.245,
      "sigma_syst_components": {
        "published_syst": 0.0697,
        "sigma_xi": 0.071344
      },
      "sigma_syst_complete": 0.09974,
      "sigma_reported": 0.293375,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "superseded_at": "2026-09-08T18:51:45Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.466,
      "sigma_stat": 0.9146,
      "sigma_syst": 0.0697,
      "n_lines": 3,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "7ae4ee8fdc1d44c36d429affbb256af82f0e0a03965594529c9f73f77acc46fa",
        "artifact_mtime": "2026-08-25T17:19:14Z",
        "ingested_at": "2026-08-25T17:19:52Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:37Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.061152,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2100 x delta_xi=0.2912 measured on this product's own 3 paired lines",
      "dA_dxi_dex_per_kms": -0.21,
      "sigma_syst_components": {
        "published_syst": 0.0697,
        "sigma_xi": 0.061152
      },
      "sigma_syst_complete": 0.092724,
      "sigma_reported": 0.919288,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "superseded_at": "2026-09-08T18:51:45Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.592,
      "sigma_stat": 0.3012,
      "sigma_syst": 0.0697,
      "n_lines": 9,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "220cafbad0de9de5304bc4d8417bbbeb8b0a439e8a90ccc6182bf43ee662cf41",
        "artifact_mtime": "2026-08-25T17:19:07Z",
        "ingested_at": "2026-08-25T17:19:52Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:37Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.066976,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2300 x delta_xi=0.2912 measured on this product's own 9 paired lines",
      "dA_dxi_dex_per_kms": -0.22999999999999998,
      "sigma_syst_components": {
        "published_syst": 0.0697,
        "sigma_xi": 0.066976
      },
      "sigma_syst_complete": 0.096664,
      "sigma_reported": 0.316331,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "superseded_at": "2026-09-08T18:51:46Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.46,
      "sigma_stat": 0.9177,
      "sigma_syst": 0.0697,
      "n_lines": 3,
      "n_excluded": 6,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "47674bda658aba038b0eb33b980a66c252c50808dc0c5eb01599712bf4342c20",
        "artifact_mtime": "2026-08-25T17:17:16Z",
        "ingested_at": "2026-08-25T17:17:31Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:37Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.039312,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1350 x delta_xi=0.2912 measured on this product's own 3 paired lines",
      "dA_dxi_dex_per_kms": -0.13499999999999998,
      "sigma_syst_components": {
        "published_syst": 0.0697,
        "sigma_xi": 0.039312
      },
      "sigma_syst_complete": 0.080022,
      "sigma_reported": 0.921182,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "superseded_at": "2026-09-08T18:51:46Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.569,
      "sigma_stat": 0.3019,
      "sigma_syst": 0.0697,
      "n_lines": 9,
      "n_excluded": 0,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_4200_6910_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "4a53d492ad4c1a37fca783fb349afccdf183a44afb93aa550b4cdd08eeeb007d",
        "artifact_mtime": "2026-08-25T17:17:10Z",
        "ingested_at": "2026-08-25T17:17:31Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6910.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:37Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.075712,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.2600 x delta_xi=0.2912 measured on this product's own 9 paired lines",
      "dA_dxi_dex_per_kms": -0.25999999999999995,
      "sigma_syst_components": {
        "published_syst": 0.0697,
        "sigma_xi": 0.075712
      },
      "sigma_syst_complete": 0.10291,
      "sigma_reported": 0.318958,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "superseded_at": "2026-09-08T18:51:46Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.51,
      "sigma_stat": 0.0203,
      "sigma_syst": 0.0634,
      "n_lines": 61,
      "n_excluded": 6,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/rya1096_repo/data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "de3a255d0f9bbee81c1287648ac3385026194ef2e9edb9b535b4b1d99330fa2e",
        "artifact_mtime": "2026-08-28T10:29:13Z",
        "ingested_at": "2026-08-28T10:48:44Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:40Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.053872,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1850 x delta_xi=0.2912 measured on this product's own 61 paired lines",
      "dA_dxi_dex_per_kms": -0.18499999999999997,
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.053872
      },
      "sigma_syst_complete": 0.083197,
      "sigma_reported": 0.085638,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "superseded_at": "2026-09-08T18:51:47Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.512,
      "sigma_stat": 0.0201,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "sirius",
        "path": "/home/damienabraxas/rya1096_repo/data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_4200_6908_harps_solar_harps_molecfit_corrected_SYNTH_GRADED_products.csv",
        "sha256": "59bb76288c8ed1a68bce7c48a3c6b232eb18433898ae6f4983d5b4ed9d339387",
        "artifact_mtime": "2026-08-28T10:29:13Z",
        "ingested_at": "2026-08-28T10:48:44Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        4200.0,
        6908.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:40Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.053872,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1850 x delta_xi=0.2912 measured on this product's own 67 paired lines",
      "dA_dxi_dex_per_kms": -0.18499999999999997,
      "sigma_syst_components": {
        "published_syst": 0.0634,
        "sigma_xi": 0.053872
      },
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      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:41Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.039312,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1350 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 45 paired lines by RYA-1168 (data/results/redopt_xi/redopt_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.135,
      "sigma_syst_components": {
        "published_syst": 0.0584,
        "sigma_xi": 0.039312
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      "sigma_syst_complete": 0.070399,
      "sigma_reported": 0.081772,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "xi_source": "data/results/redopt_xi/redopt_xi_dadxi.json",
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      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
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      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.492,
      "sigma_stat": 0.0988,
      "sigma_syst": 0.0574,
      "n_lines": 28,
      "n_excluded": 28,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
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        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "bdd8c1b5a34daf5e010b5264ff4bda690a688fb2fe293765e91071fd60a89eb0",
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        "ingested_at": "2026-08-24T23:58:04Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
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        9199.0
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      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:41Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.04368,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 28 paired lines by RYA-1168 (data/results/redopt_xi/redopt_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.15,
      "sigma_syst_components": {
        "published_syst": 0.0574,
        "sigma_xi": 0.04368
      },
      "sigma_syst_complete": 0.07213,
      "sigma_reported": 0.122328,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "xi_source": "data/results/redopt_xi/redopt_xi_dadxi.json",
      "superseded_at": "2026-09-08T18:51:50Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "red-optical",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.481,
      "sigma_stat": 0.0782,
      "sigma_syst": 0.0574,
      "n_lines": 56,
      "n_excluded": 1,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
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        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_6910_9199_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
        "sha256": "b84c24171bcbddceff8251e903b201b6c54f8a819429a411939c0443b50a7e5f",
        "artifact_mtime": "2026-08-24T23:57:17Z",
        "ingested_at": "2026-08-24T23:58:04Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        6910.0,
        9199.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-03T22:28:41Z",
      "code_commit": "845b13d383ba3e6b9906e0407f861ebebee6c54e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.042952,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1475 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (red-optical) on 56 paired lines by RYA-1168 (data/results/redopt_xi/redopt_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.1475,
      "sigma_syst_components": {
        "published_syst": 0.0574,
        "sigma_xi": 0.042952
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      "sigma_syst_complete": 0.071691,
      "sigma_reported": 0.106089,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "xi_source": "data/results/redopt_xi/redopt_xi_dadxi.json",
      "superseded_at": "2026-09-08T18:51:51Z",
      "superseded_reason": "RYA-1203: regenerated from the post-RYA-1191 band_products -- curated exclusions and the RYA-992 output-bound guard now applied. No value tuned."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.957,
      "sigma_stat": 0.096,
      "sigma_syst": 0.13,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "6fed66c0f904ce3343e525731600cb32930f701c1f7acda28156a15a8241615b",
        "artifact_mtime": "2026-08-26T16:19:25Z",
        "ingested_at": "2026-08-26T16:25:00Z"
      },
      "syst_basis": "INTERIM LOWER-BOUND FLOOR (RYA-908/1133): the run's own budget totals 0.1095 dex, dominated by a band-flat 0.10 pseudo-continuum term. RYA-1133 measured the two Kitt Peak holdings returning 7.957 vs 7.697 on the SAME 12 lines - 0.260 dex apart, half-spread 0.130 - so the run's term is breached by its own holdings and 0.130 is published instead. A LOWER bound: two realisations are not the space of them, and all three near-UV atlases are Kitt Peak, so the disagreement can be measured but never adjudicated. Pending RYA-1133's per-ion term.",
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T01:18:20Z",
      "code_commit": "16d93baea4092da861eaad0c630da032f167252e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.013832,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0475 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.0475,
      "sigma_syst_components": {
        "published_syst": 0.13,
        "sigma_xi": 0.013832
      },
      "sigma_syst_complete": 0.130734,
      "sigma_reported": 0.162195,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "opacity_limit": "OPACITY-DEFICIT-LIMITED",
      "opacity_note": "RYA-1190: the near-UV continuum offset is BLEND-DRIVEN, not a continuum error -- 59 lines/A, 0 of 10 clean side-bands, and no isolated Fe I line exists in the band (minimum neighbour depth 0.790). Our near-UV list IS already the full VALD extract (0 of 62,072 rows missing), so completing the line list cannot close it; a deeper re-extraction is worth <=0.028 dex. REPORTED AND NOTED, NOT ADOPTED: the solar Fe headline rests on the VIS anchor 7.466, not on these rows.",
      "annotated_at": "2026-09-08T18:52:38Z",
      "annotation_reason": "RYA-1203 item 3: record the RYA-1190 near-UV opacity-deficit limit",
      "superseded_at": "2026-09-09T15:00:46Z",
      "superseded_reason": "RYA-1207: near-UV synthesis now includes molecular opacity (OH A-X, NH, CH, CN violet) \u2014 real solar near-UV absorbers the band carried NONE of, because every molecular list iSpec ships starts at 400 nm. Physics, not a fit: nothing calibrated to a target (RYA-161). Paired against a molecules-off run on this same code, the lever is -0.047..-0.055 dex on Fe I and -0.28..-0.33 on Fe II, with chi2r median 81.8 -> 67.4 and 4 windows containing no molecular line bit-identical."
    },
    {
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      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.975,
      "sigma_stat": 0.1329,
      "sigma_syst": 0.13,
      "n_lines": 7,
      "n_excluded": 5,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "fd293c29a51dcb24ca3cdf0c1586c3c9900dae49816f3a4c2db79073f4ee5b87",
        "artifact_mtime": "2026-08-26T16:19:36Z",
        "ingested_at": "2026-08-26T16:25:00Z"
      },
      "syst_basis": "INTERIM LOWER-BOUND FLOOR (RYA-908/1133): the run's own budget totals 0.1095 dex, dominated by a band-flat 0.10 pseudo-continuum term. RYA-1133 measured the two Kitt Peak holdings returning 7.957 vs 7.697 on the SAME 12 lines - 0.260 dex apart, half-spread 0.130 - so the run's term is breached by its own holdings and 0.130 is published instead. A LOWER bound: two realisations are not the space of them, and all three near-UV atlases are Kitt Peak, so the disagreement can be measured but never adjudicated. Pending RYA-1133's per-ion term.",
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T01:18:20Z",
      "code_commit": "16d93baea4092da861eaad0c630da032f167252e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.01456,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0500 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 7 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.05,
      "sigma_syst_components": {
        "published_syst": 0.13,
        "sigma_xi": 0.01456
      },
      "sigma_syst_complete": 0.130813,
      "sigma_reported": 0.186479,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "opacity_limit": "OPACITY-DEFICIT-LIMITED",
      "opacity_note": "RYA-1190: the near-UV continuum offset is BLEND-DRIVEN, not a continuum error -- 59 lines/A, 0 of 10 clean side-bands, and no isolated Fe I line exists in the band (minimum neighbour depth 0.790). Our near-UV list IS already the full VALD extract (0 of 62,072 rows missing), so completing the line list cannot close it; a deeper re-extraction is worth <=0.028 dex. REPORTED AND NOTED, NOT ADOPTED: the solar Fe headline rests on the VIS anchor 7.466, not on these rows.",
      "annotated_at": "2026-09-08T18:52:38Z",
      "annotation_reason": "RYA-1203 item 3: record the RYA-1190 near-UV opacity-deficit limit",
      "superseded_at": "2026-09-09T15:00:47Z",
      "superseded_reason": "RYA-1207: near-UV synthesis now includes molecular opacity (OH A-X, NH, CH, CN violet) \u2014 real solar near-UV absorbers the band carried NONE of, because every molecular list iSpec ships starts at 400 nm. Physics, not a fit: nothing calibrated to a target (RYA-161). Paired against a molecules-off run on this same code, the lever is -0.047..-0.055 dex on Fe I and -0.28..-0.33 on Fe II, with chi2r median 81.8 -> 67.4 and 4 windows containing no molecular line bit-identical."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.697,
      "sigma_stat": 0.0986,
      "sigma_syst": 0.13,
      "n_lines": 12,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "192e58ffe091dda861e14b25157f5a33b9f744f69e9551301baa968c4148f03c",
        "artifact_mtime": "2026-08-26T14:50:34Z",
        "ingested_at": "2026-08-26T14:52:20Z"
      },
      "syst_basis": "INTERIM LOWER-BOUND FLOOR (RYA-908/1133): the run's own budget totals 0.1095 dex, dominated by a band-flat 0.10 pseudo-continuum term. RYA-1133 measured the two Kitt Peak holdings returning 7.957 vs 7.697 on the SAME 12 lines - 0.260 dex apart, half-spread 0.130 - so the run's term is breached by its own holdings and 0.130 is published instead. A LOWER bound: two realisations are not the space of them, and all three near-UV atlases are Kitt Peak, so the disagreement can be measured but never adjudicated. Pending RYA-1133's per-ion term.",
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T01:18:20Z",
      "code_commit": "16d93baea4092da861eaad0c630da032f167252e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.017472,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0600 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 12 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.06,
      "sigma_syst_components": {
        "published_syst": 0.13,
        "sigma_xi": 0.017472
      },
      "sigma_syst_complete": 0.131169,
      "sigma_reported": 0.164095,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "n/a \u2014 this product is on an LTE scale",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "opacity_limit": "OPACITY-DEFICIT-LIMITED",
      "opacity_note": "RYA-1190: the near-UV continuum offset is BLEND-DRIVEN, not a continuum error -- 59 lines/A, 0 of 10 clean side-bands, and no isolated Fe I line exists in the band (minimum neighbour depth 0.790). Our near-UV list IS already the full VALD extract (0 of 62,072 rows missing), so completing the line list cannot close it; a deeper re-extraction is worth <=0.028 dex. REPORTED AND NOTED, NOT ADOPTED: the solar Fe headline rests on the VIS anchor 7.466, not on these rows.",
      "annotated_at": "2026-09-08T18:52:38Z",
      "annotation_reason": "RYA-1203 item 3: record the RYA-1190 near-UV opacity-deficit limit",
      "superseded_at": "2026-09-09T15:00:47Z",
      "superseded_reason": "RYA-1207: near-UV synthesis now includes molecular opacity (OH A-X, NH, CH, CN violet) \u2014 real solar near-UV absorbers the band carried NONE of, because every molecular list iSpec ships starts at 400 nm. Physics, not a fit: nothing calibrated to a target (RYA-161). Paired against a molecules-off run on this same code, the lever is -0.047..-0.055 dex on Fe I and -0.28..-0.33 on Fe II, with chi2r median 81.8 -> 67.4 and 4 windows containing no molecular line bit-identical."
    },
    {
      "element": "Fe",
      "ion": "II",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.738,
      "sigma_stat": 0.121,
      "sigma_syst": 0.13,
      "n_lines": 7,
      "n_excluded": 5,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "Mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeII_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "4af51ecafd1e4df25f19b33a3c70085586c9d2fdd4f705c53360a756059e2a81",
        "artifact_mtime": "2026-08-26T14:50:47Z",
        "ingested_at": "2026-08-26T14:52:20Z"
      },
      "syst_basis": "INTERIM LOWER-BOUND FLOOR (RYA-908/1133): the run's own budget totals 0.1095 dex, dominated by a band-flat 0.10 pseudo-continuum term. RYA-1133 measured the two Kitt Peak holdings returning 7.957 vs 7.697 on the SAME 12 lines - 0.260 dex apart, half-spread 0.130 - so the run's term is breached by its own holdings and 0.130 is published instead. A LOWER bound: two realisations are not the space of them, and all three near-UV atlases are Kitt Peak, so the disagreement can be measured but never adjudicated. Pending RYA-1133's per-ion term.",
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T01:18:20Z",
      "code_commit": "16d93baea4092da861eaad0c630da032f167252e",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.011648,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0400 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 7 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.04,
      "sigma_syst_components": {
        "published_syst": 0.13,
        "sigma_xi": 0.011648
      },
      "sigma_syst_complete": 0.130521,
      "sigma_reported": 0.17798,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)",
        "nlte_capability": {
          "gerber_deck_ion_reach": "Fe II: 58 levels, ZERO bound-bound transitions in atom.fe607a \u2014 an ionisation reservoir, not a term system. Fe I: 548 levels, 12,635 transitions.",
          "fe_ii_nlte_available_on_gerber_deck": false,
          "this_product_takes_nlte_from_the_gerber_deck": false,
          "nlte_source_for_this_product": "MPIA / Bergemann mafags-os 1D-NLTE per-line delta grid (data/nlte_grids/Fe_Bergemann_MPIA.csv) \u2014 NOT atom.fe607a. Its Fe II corrections are real and small: at the solar node the grid's Fe II deltas run -0.002 to +0.016 dex, median +0.000, with 146 of 160 entries inside +-0.005 (Fe I control at the same node: median +0.011, up to +0.040). What THIS product actually applied is recorded per line in its own *_ENGINE-A_lines.csv (nlte_delta_dex / nlte_source, RYA-880); across every live Fe II product that is -0.001 to -0.002 dex, on the lines MPIA serves",
          "limit": "Fe II NLTE unavailable on the Gerber deck: atom.fe607a carries 58 Fe II levels but ZERO Fe II bound-bound transitions (12,635 of 12,635 are Fe I -> Fe I), so bsyn applies departure = 1 to every Fe II line and no line list can enable it. Reported LTE. The effect is literature-negligible at solar -- Amarsi's grid gives -0.001 dex (vturb 0.75) and -0.0008 (1.50), and Lind et al. 2017 section 2.2.4 states 'For the Sun, NLTE effects on Fe II lines are insignificant' -- and our own MPIA/Bergemann Fe II deltas agree IN THE MEDIAN: +0.000 dex at the solar node, 146 of 160 grid entries inside +-0.005 -- though the tail is the three strong multiplet-42 lines 4923.932 / 4924.921 / 5169.033, all at +0.015 (max single grid entry +0.016), so 'negligible' is a median statement and not a bound (Fe I control at the same node: median +0.011, up to +0.040). A two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03). Fe II <3D>-LTE IS available (model 5, the <3D>-mean atmosphere is ion-agnostic); model 5 == model 6 on Fe II by construction, which IS the phantom-departure check. This does NOT cover ENGINE-A: that leg reads the MPIA/Bergemann per-line grid, not this atom, and its Fe II corrections are real. RYA-1055.",
          "measurement": "data/results/rya1055/atom_ion_reach.json (RYA-1055)",
          "deferred": "a two-stage Fe atom is DEFERRED to the off-solar programme, where the Fe I/Fe II balance does the log g work (Ryan, 2026-09-03)"
        }
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "opacity_limit": "OPACITY-DEFICIT-LIMITED",
      "opacity_note": "RYA-1190: the near-UV continuum offset is BLEND-DRIVEN, not a continuum error -- 59 lines/A, 0 of 10 clean side-bands, and no isolated Fe I line exists in the band (minimum neighbour depth 0.790). Our near-UV list IS already the full VALD extract (0 of 62,072 rows missing), so completing the line list cannot close it; a deeper re-extraction is worth <=0.028 dex. REPORTED AND NOTED, NOT ADOPTED: the solar Fe headline rests on the VIS anchor 7.466, not on these rows.",
      "annotated_at": "2026-09-08T18:52:38Z",
      "annotation_reason": "RYA-1203 item 3: record the RYA-1190 near-UV opacity-deficit limit",
      "superseded_at": "2026-09-09T15:00:47Z",
      "superseded_reason": "RYA-1207: near-UV synthesis now includes molecular opacity (OH A-X, NH, CH, CN violet) \u2014 real solar near-UV absorbers the band carried NONE of, because every molecular list iSpec ships starts at 400 nm. Physics, not a fit: nothing calibrated to a target (RYA-161). Paired against a molecules-off run on this same code, the lever is -0.047..-0.055 dex on Fe I and -0.28..-0.33 on Fe II, with chi2r median 81.8 -> 67.4 and 4 windows containing no molecular line bit-identical."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.642,
      "sigma_stat": 0.0857,
      "sigma_syst": 0.1122,
      "n_lines": 58,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "9f56182ba86e0d1a35bc1cb6d84d76ebbd3d2b92ac64bcb22b92216c5868db74",
        "artifact_mtime": "2026-08-24T23:18:20Z",
        "ingested_at": "2026-08-24T23:30:21Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_products.csv"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T15:03:04Z",
      "code_commit": "7e4758e237051205fb351b71fc5ddf8ef114f000",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.030576,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1050 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.105,
      "sigma_syst_components": {
        "published_syst": 0.1122,
        "sigma_xi": 0.030576
      },
      "sigma_syst_complete": 0.116292,
      "sigma_reported": 0.144459,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "RYA-1207: the near-UV synthesis now includes molecular opacity \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines written as Turbospectrum lists (dominant isotopologue, <=1.1% bound, Ryan-ratified). The band previously carried NONE: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and four windows containing no molecular line bit-identical. It still UNDER-corrects (RYA-1204: synth/obs above 1 on 24 of 40 windows after), so a residual opacity deficit remains and this is a floor, not a correction stopped at a target (RYA-161). \u26a0\ufe0f WHICH PRODUCTS CARRY IT: the four Fe II rows are re-measured WITH molecules. The four Fe I rows are NOT \u2014 publish_product refuses their DEEPGRADED tier because the pool is mixed-gf (one systematic:K07 line among 55 lab lines, RYA-855 rung 1), a refusal that is identical with molecules off and therefore not caused by this change. Their molecular values are measured and recorded in data/results/rya1207/nearuv_molecular_lever.json, pending Ryan's ruling on the tier.",
      "annotated_at": "2026-09-09T15:02:52Z",
      "annotation_reason": "RYA-1207 Step 5: the near-UV is no longer atoms-only; the note states what it now includes, what remains, and which rows carry it",
      "superseded_at": "2026-09-10T04:57:07Z",
      "superseded_reason": "RYA-1209: near-UV Fe I republished with molecular opacity (RYA-1207) after the one systematic:K07 line, Fe I 3721.272, was curated out. That line's gf is confirmed against a VALD3 reference publishing no per-line uncertainty and it carries no NIST accuracy class \u2014 attributed, not graded \u2014 so it never met the DEEPGRADED tier's own definition of lab gf. Under RYA-855 a pool is graded only if every line is, so it alone held the pool at rung 1 and blocked RYA-1207. The budget now clears at gf rung 3 (cited lab), 55/55 GF-LAB with a measured RMS 0.0509 dex replacing the generic 0.1700 UNGRADED bound. Removed on the tier definition, not to move the number: the value shifts by -0.007..+0.003 dex."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.651,
      "sigma_stat": 0.0857,
      "sigma_syst": 0.1122,
      "n_lines": 58,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "d99eb72f63b57a95ef8b925bf6864189f68252cc75085abe8d9b6ea0b30e9c73",
        "artifact_mtime": "2026-08-24T23:18:59Z",
        "ingested_at": "2026-08-24T23:30:21Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_kurucz2005_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T15:03:04Z",
      "code_commit": "7e4758e237051205fb351b71fc5ddf8ef114f000",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.030576,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1050 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.105,
      "sigma_syst_components": {
        "published_syst": 0.1122,
        "sigma_xi": 0.030576
      },
      "sigma_syst_complete": 0.116292,
      "sigma_reported": 0.144459,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "RYA-1207: the near-UV synthesis now includes molecular opacity \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines written as Turbospectrum lists (dominant isotopologue, <=1.1% bound, Ryan-ratified). The band previously carried NONE: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and four windows containing no molecular line bit-identical. It still UNDER-corrects (RYA-1204: synth/obs above 1 on 24 of 40 windows after), so a residual opacity deficit remains and this is a floor, not a correction stopped at a target (RYA-161). \u26a0\ufe0f WHICH PRODUCTS CARRY IT: the four Fe II rows are re-measured WITH molecules. The four Fe I rows are NOT \u2014 publish_product refuses their DEEPGRADED tier because the pool is mixed-gf (one systematic:K07 line among 55 lab lines, RYA-855 rung 1), a refusal that is identical with molecules off and therefore not caused by this change. Their molecular values are measured and recorded in data/results/rya1207/nearuv_molecular_lever.json, pending Ryan's ruling on the tier.",
      "annotated_at": "2026-09-09T15:02:52Z",
      "annotation_reason": "RYA-1207 Step 5: the near-UV is no longer atoms-only; the note states what it now includes, what remains, and which rows carry it",
      "superseded_at": "2026-09-10T04:57:07Z",
      "superseded_reason": "RYA-1209: near-UV Fe I republished with molecular opacity (RYA-1207) after the one systematic:K07 line, Fe I 3721.272, was curated out. That line's gf is confirmed against a VALD3 reference publishing no per-line uncertainty and it carries no NIST accuracy class \u2014 attributed, not graded \u2014 so it never met the DEEPGRADED tier's own definition of lab gf. Under RYA-855 a pool is graded only if every line is, so it alone held the pool at rung 1 and blocked RYA-1207. The budget now clears at gf rung 3 (cited lab), 55/55 GF-LAB with a measured RMS 0.0509 dex replacing the generic 0.1700 UNGRADED bound. Removed on the tier definition, not to move the number: the value shifts by -0.007..+0.003 dex."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.596,
      "sigma_stat": 0.0898,
      "sigma_syst": 0.1122,
      "n_lines": 58,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv",
        "sha256": "a2361a7e23320c4e84b76d4bc18bc8985a2a1f660794bc6c4fc89695f00dbcf9",
        "artifact_mtime": "2026-08-24T16:50:47Z",
        "ingested_at": "2026-08-24T23:30:22Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_products.csv"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T15:03:04Z",
      "code_commit": "7e4758e237051205fb351b71fc5ddf8ef114f000",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.03276,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1125 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "sigma_syst_components": {
        "published_syst": 0.1122,
        "sigma_xi": 0.03276
      },
      "sigma_syst_complete": 0.116885,
      "sigma_reported": 0.147398,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "sigma_reported_caveat": "INCOMPLETE: no dA/dxi exists for this pool, so the xi term is absent from this bar rather than zero. The bar is a LOWER BOUND.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "dA_dxi_dex_per_kms": -0.1125,
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "RYA-1207: the near-UV synthesis now includes molecular opacity \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines written as Turbospectrum lists (dominant isotopologue, <=1.1% bound, Ryan-ratified). The band previously carried NONE: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and four windows containing no molecular line bit-identical. It still UNDER-corrects (RYA-1204: synth/obs above 1 on 24 of 40 windows after), so a residual opacity deficit remains and this is a floor, not a correction stopped at a target (RYA-161). \u26a0\ufe0f WHICH PRODUCTS CARRY IT: the four Fe II rows are re-measured WITH molecules. The four Fe I rows are NOT \u2014 publish_product refuses their DEEPGRADED tier because the pool is mixed-gf (one systematic:K07 line among 55 lab lines, RYA-855 rung 1), a refusal that is identical with molecules off and therefore not caused by this change. Their molecular values are measured and recorded in data/results/rya1207/nearuv_molecular_lever.json, pending Ryan's ruling on the tier.",
      "annotated_at": "2026-09-09T15:02:52Z",
      "annotation_reason": "RYA-1207 Step 5: the near-UV is no longer atoms-only; the note states what it now includes, what remains, and which rows carry it",
      "superseded_at": "2026-09-10T04:57:07Z",
      "superseded_reason": "RYA-1209: near-UV Fe I republished with molecular opacity (RYA-1207) after the one systematic:K07 line, Fe I 3721.272, was curated out. That line's gf is confirmed against a VALD3 reference publishing no per-line uncertainty and it carries no NIST accuracy class \u2014 attributed, not graded \u2014 so it never met the DEEPGRADED tier's own definition of lab gf. Under RYA-855 a pool is graded only if every line is, so it alone held the pool at rung 1 and blocked RYA-1207. The budget now clears at gf rung 3 (cited lab), 55/55 GF-LAB with a measured RMS 0.0509 dex replacing the generic 0.1700 UNGRADED bound. Removed on the tier definition, not to move the number: the value shifts by -0.007..+0.003 dex."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "near-UV",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.606,
      "sigma_stat": 0.0898,
      "sigma_syst": 0.1122,
      "n_lines": 58,
      "n_excluded": 0,
      "dominant_term": "pseudo-continuum",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv",
        "sha256": "c3e9c36b6c28ce2d32ea878ffd2259df2398e5c92f9afceb70af0955784f5403",
        "artifact_mtime": "2026-08-24T16:50:47Z",
        "ingested_at": "2026-08-24T23:30:22Z",
        "reingested_by": "RYA-1084",
        "reingest_reason": "RYA-1084: writer identified as scripts/derive_band_products.py, shown deterministic (the 2026-08-27 13:34 run reproduced RYA-1051's committed bytes exactly); diffs are the RYA-1044/1045 `deck` column plus one 1-ULP rounding boundary now pinned by pipeline.error_budget.round_dex",
        "copied_to": "data/results/band_products/FeI_3000_3780_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_DEEPGRADED_ENGINE-A_products.csv"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Deep Grade",
      "line_set_resolved": "our-deep-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3000.0,
        3780.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-09T15:03:04Z",
      "code_commit": "7e4758e237051205fb351b71fc5ddf8ef114f000",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.03276,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.1125 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (near-UV) on 58 paired lines by RYA-1168 (data/results/rya1168/nearuv_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.1125,
      "sigma_syst_components": {
        "published_syst": 0.1122,
        "sigma_xi": 0.03276
      },
      "sigma_syst_complete": 0.116885,
      "sigma_reported": 0.147398,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier, above the depth gate)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 / Ruffoni et al. 2014, RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier DEEPGRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1168/nearuv_xi_dadxi.json",
      "opacity_limit": "MOLECULAR-OPACITY-INCLUDED",
      "opacity_note": "RYA-1207: the near-UV synthesis now includes molecular opacity \u2014 OH A-X, NH, CH and CN violet, 6,223 VALD lines written as Turbospectrum lists (dominant isotopologue, <=1.1% bound, Ryan-ratified). The band previously carried NONE: every molecular list iSpec ships begins at 400 nm. Measured PAIRED against a molecules-off run on the same code and pool, the lever is -0.047..-0.055 dex on Fe I and -0.276..-0.332 on Fe II, with chi2r median 81.8 -> 67.4 and four windows containing no molecular line bit-identical. It still UNDER-corrects (RYA-1204: synth/obs above 1 on 24 of 40 windows after), so a residual opacity deficit remains and this is a floor, not a correction stopped at a target (RYA-161). \u26a0\ufe0f WHICH PRODUCTS CARRY IT: the four Fe II rows are re-measured WITH molecules. The four Fe I rows are NOT \u2014 publish_product refuses their DEEPGRADED tier because the pool is mixed-gf (one systematic:K07 line among 55 lab lines, RYA-855 rung 1), a refusal that is identical with molecules off and therefore not caused by this change. Their molecular values are measured and recorded in data/results/rya1207/nearuv_molecular_lever.json, pending Ryan's ruling on the tier.",
      "annotated_at": "2026-09-09T15:02:52Z",
      "annotation_reason": "RYA-1207 Step 5: the near-UV is no longer atoms-only; the note states what it now includes, what remains, and which rows carry it",
      "superseded_at": "2026-09-10T04:57:07Z",
      "superseded_reason": "RYA-1209: near-UV Fe I republished with molecular opacity (RYA-1207) after the one systematic:K07 line, Fe I 3721.272, was curated out. That line's gf is confirmed against a VALD3 reference publishing no per-line uncertainty and it carries no NIST accuracy class \u2014 attributed, not graded \u2014 so it never met the DEEPGRADED tier's own definition of lab gf. Under RYA-855 a pool is graded only if every line is, so it alone held the pool at rung 1 and blocked RYA-1207. The budget now clears at gf rung 3 (cited lab), 55/55 GF-LAB with a measured RMS 0.0509 dex replacing the generic 0.1700 UNGRADED bound. Removed on the tier definition, not to move the number: the value shifts by -0.007..+0.003 dex."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.621,
      "sigma_stat": 0.1746,
      "sigma_syst": 0.0616,
      "n_lines": 26,
      "n_excluded": 2,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_products.csv",
        "sha256": "869d5ac4cc4470d717bc52770f5ae88656bd02165824704a88eed8d617c0ae75",
        "artifact_mtime": "2026-08-25T16:24:29Z",
        "ingested_at": "2026-08-25T16:24:57Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-10T22:10:26Z",
      "code_commit": "3cc725bf56bfe88c6214bba37841817cc89a02cc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.015288,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0525 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 26 paired lines by RYA-1163 (data/results/rya1163/ir_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.0525,
      "sigma_syst_components": {
        "published_syst": 0.0616,
        "sigma_xi": 0.015288
      },
      "sigma_syst_complete": 0.063469,
      "sigma_reported": 0.185778,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 0.89,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected_by_depth_gate": 29,
        "depth_gate": 0.6,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1163/ir_xi_dadxi.json",
      "superseded_at": "2026-09-11T01:24:22Z",
      "superseded_reason": "RYA-1203: the feed carried PRE-GUARD values. RYA-1191 re-measured these two with the output-bound fit-validity guard live and RYA-992's non-convergent lines dropped; the artifacts were committed and the feed was never re-ingested, so it published A=7.621 n=26 and A=7.503 n=7 against artifacts reading 7.607 n=23 and 7.488 n=6. Re-derived on Sirius from main and byte-identical to the committed artifacts (sha256 3e79d4c11e04 / e664df0800c6), so the artifact is confirmed the correct side. RYA-1208 has since published the Gerber leg on this same cell at n=23, so leaving the 1D-LTE leg at n=26 would put two different pools in one cell."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "NIR",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.503,
      "sigma_stat": 0.497,
      "sigma_syst": 0.0616,
      "n_lines": 7,
      "n_excluded": 19,
      "dominant_term": "line-to-line scatter",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "copied_to": "data/results/band_products/FeI_9199_12976_kpno_solar_atlas_solar_kpno_molecfit_corrected_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "5108b29704e91cf3cec4b59248fb8cf074cf97f0c11267f1a3f336053c7e8525",
        "artifact_mtime": "2026-08-25T16:24:38Z",
        "ingested_at": "2026-08-25T16:24:57Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Codex Grade",
      "line_set_resolved": "our-graded",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        9199.0,
        12976.0
      ],
      "wavelength_range_basis": "artifact stem",
      "generated_at": "2026-09-10T22:10:27Z",
      "code_commit": "3cc725bf56bfe88c6214bba37841817cc89a02cc",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.013104,
      "xi_state": "MEASURED",
      "xi_note": "|dA/dxi|=0.0450 x delta_xi=0.2912, measured IN THIS PRODUCT'S OWN BAND (NIR) on 7 paired lines by RYA-1163 (data/results/rya1163/ir_xi_dadxi.json). Supersedes the RYA-1120 campaign value, whose run unit carries no band (RYA-1114 F2).",
      "dA_dxi_dex_per_kms": -0.045,
      "sigma_syst_components": {
        "published_syst": 0.0616,
        "sigma_xi": 0.013104
      },
      "sigma_syst_complete": 0.062978,
      "sigma_reported": 0.500974,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "irreducible_dispersion": {
        "dispersion_dex": 1.315,
        "basis": "sigma_stat x sqrt(n_lines); valid because sigma_stat is the STANDARD ERROR of the mean \u2014 verified against the per-line layer on the VIS products that carry both (std/sqrt(n) reproduces the published stat_dex; the raw std does not)",
        "reducible_by": "PARTLY laboratory gf for NIR Fe I; a LARGE PART was non-convergent fits and has already been removed (RYA-1191)",
        "note": "\ud83d\udd34 RYA-1191 RE-DERIVED THIS NOTE AND MOST OF IT WAS FALSE. It read 'gf-limited dispersion, IRREDUCIBLE under the current NIR line list ... KP ENGINE-A 1.315 at n=7 is the exception that proves it \u2014 CRIRES+ curated lab-gf is ~6x tighter at n=5'. That 1.315 is ONE NON-CONVERGENT FIT: line 9437.793 returned A = 10.988 on this holding and 4.539 on solar_iag \u2014 same line, same gf, 6.4 dex apart, red_chi2 246 and 152, with excluded_reason blank on both because constraint_gate asks only whether a fit was CONSTRAINED and its frac_rise_weaker is NaN. Rejected by pipeline.fit_validity, the dispersion is 0.144 at n=6 \u2014 not an exception, and INDISTINGUISHABLE from CRIRES+'s 0.138. The ~6x ratio was that one line. \u26a0\ufe0f NOTE ALSO that solar_iag NIR ENGINE-A already read 0.177 here because its committed product had excluded the same line; the 7x gap between the two holdings was an exclusion difference, not a telluric one. WHAT SURVIVES, re-measured on guarded pools: the NIR many-line bars are still the widest (IAG 0.307 at n=22, KP 0.386 at n=23) against the few-line curated ones (CRIRES+ 0.138 at n=5, KP ENGINE-A 0.144 at n=6), so the dispersion still tracks gf QUALITY rather than line count and adding VALD3-grade NIR lines would still widen it. But it is NOT IRREDUCIBLE: it more than HALVED when non-convergent fits were removed (KP 1D-LTE 0.895 -> 0.386, IAG 1D-LTE 0.949 -> 0.307). \u26a0\ufe0f dispersion_dex above is the PRE-GUARD value and is regenerated when the product is. Report-and-note per RYA-777."
      },
      "tier_provenance": {
        "pool_reproduced": true,
        "n_lab_tier_in_window": 29,
        "n_selected_by_depth_gate": 29,
        "depth_gate": 0.6,
        "gf_references": {
          "PRIMARY LAB DenHartog2014": 22,
          "PRIMARY LAB Ruffoni2014": 7
        },
        "n_primary_lab": 29,
        "fraction_primary_lab": 1.0,
        "tier_verdict": "CONFIRMED \u2014 the selector admits only LAB-tier rows, and every selected line resolves to a primary-laboratory reference",
        "basis": "reproduced from canonical_gf TODAY via the same rule as derive_band_products._cand_graded; see the vintage caveat"
      },
      "science_provenance": {
        "gf_source": "laboratory (canonical_gf LAB tier)",
        "gf_grade": "primary laboratory",
        "gf_citation": "Den Hartog et al. 2014 ApJS 215, 23 (10.1088/0067-0049/215/2/23) and Ruffoni et al. 2014 MNRAS 441, 3127 (10.1093/mnras/stu780), as ingested by RYA-945/353",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / bergemann",
        "line_set_citation": "Codex canonical_gf pool, tier GRADED (RYA-353/945)"
      },
      "xi_source": "data/results/rya1163/ir_xi_dadxi.json",
      "superseded_at": "2026-09-11T01:24:22Z",
      "superseded_reason": "RYA-1203: the feed carried PRE-GUARD values. RYA-1191 re-measured these two with the output-bound fit-validity guard live and RYA-992's non-convergent lines dropped; the artifacts were committed and the feed was never re-ingested, so it published A=7.621 n=26 and A=7.503 n=7 against artifacts reading 7.607 n=23 and 7.488 n=6. Re-derived on Sirius from main and byte-identical to the committed artifacts (sha256 3e79d4c11e04 / e664df0800c6), so the artifact is confirmed the correct side. RYA-1208 has since published the Gerber leg on this same cell at n=23, so leaving the 1D-LTE leg at n=26 would put two different pools in one cell."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_kurucz2005_corrected",
      "tier": "ALL",
      "selector": "ASPLUND_AGSS21",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.4713,
      "sigma_stat": 0.0123,
      "sigma_syst": 0.17,
      "n_lines": 21,
      "n_excluded": 19,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01233 dex at n_lines=21",
      "route": "SYNTH",
      "line_set": "asplund",
      "provenance": {
        "host": "mac",
        "path": "data/results/rya1106/kpno_kurucz2005/asplund_lines_products.csv",
        "copied_to": "data/results/rya1106/kpno_kurucz2005/asplund_lines_products.csv",
        "sha256": "dff499d3315e16240074c9f48623b35761ed2a8cf140de44c822b247aecb3e07",
        "artifact_mtime": "2026-09-03T20:50:17Z",
        "ingested_at": "2026-09-03T20:54:59Z"
      },
      "atlas": "KPNO Kurucz-2005 solar irradiance (irradiance2005/irradthu.dat, rev. 02jan2010)",
      "telluric_state": "corrected: Kurucz-2005 product is delivered telluric-corrected",
      "grade": "Reference Grade",
      "line_set_resolved": "asplund",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3800.0,
        6910.0
      ],
      "wavelength_range_basis": "the VIS BAND DEFINITION (pipeline.band_policy), not a run window \u2014 this product's artifact records no wavelength span of its own",
      "generated_at": "2026-09-11T01:24:42Z",
      "code_commit": "3364b0e572c80d256e06d6c5cf5f676e53f4f9f3",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29). This product is ALSO a reference-set replication anchor, not a xi-varying measurement of ours \u2014 N/A on either ground (RYA-1185).",
      "sigma_syst_components": {
        "published_syst": 0.17,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.17,
      "sigma_reported": 0.170444,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "AGSS21's own published log gf on the target lines",
        "gf_grade": "published reference set",
        "gf_citation": "Asplund, Amarsi & Grevesse 2021, A&A 653, A141, Table A.2 (10.1051/0004-6361/202140445), ingested by RYA-1109",
        "atlas_citation": "Kurucz R.L. 2005 high-resolution irradiance product; source header identifies the original irradiance2005/irradthu.dat distribution, revised 02jan2010, 300-1000 nm, W/m2/nm; exact bytes and SHA-256 are pinned in the intake manifest and the file is staged at /mnt/codex-data/spectra/KITTS/irradthu.dat.txt on Sirius. Registered as a provenance-distinct corrected reference; independent line/window com",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Asplund, Amarsi & Grevesse 2021 Table A.2 via RYA-1109 / RYA-1111"
      },
      "superseded_at": "2026-09-11T04:50:36Z",
      "superseded_reason": "RYA-1212: sigma_syst re-derived from 0.17 (the UNGRADED placeholder) to 0.0475 via RYA-968's per-line empirical route. A(Fe) and n_lines are UNCHANGED - this moves the uncertainty only. 17 of 21 lines priced on their own published per-line sigma (5 primary-laboratory: Den Hartog 2014, Belmonte 2017, Ruffoni 2014; 12 NIST accuracy class), the remaining 4 on the pool's own cited RMS per Ryan's threshold ruling (RYA-1212, 2026-09-10). The 0.17 was never a measurement of these lines: RYA-1211 showed its 'systematic:K07 x15' was a lookup miss caused by AGSS21's 0.1 A wavelength printing against a 0.02 A match window."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno_molecfit_corrected",
      "tier": "ALL",
      "selector": "ASPLUND_AGSS21",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5037,
      "sigma_stat": 0.0135,
      "sigma_syst": 0.17,
      "n_lines": 21,
      "n_excluded": 19,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01351 dex at n_lines=21",
      "route": "SYNTH",
      "line_set": "asplund",
      "provenance": {
        "host": "mac",
        "path": "data/results/rya1106/kpno_molecfit/asplund_lines_products.csv",
        "copied_to": "data/results/rya1106/kpno_molecfit/asplund_lines_products.csv",
        "sha256": "2c21efb87b4cf1aa671d30786cf00b2a52ca2d14202ec4de687721919127bc22",
        "artifact_mtime": "2026-09-03T20:50:17Z",
        "ingested_at": "2026-09-03T20:54:59Z"
      },
      "atlas": "KPNO 1984 FTS solar flux atlas, molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4, six registered bands (RYA-940)",
      "grade": "Reference Grade",
      "line_set_resolved": "asplund",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3800.0,
        6910.0
      ],
      "wavelength_range_basis": "the VIS BAND DEFINITION (pipeline.band_policy), not a run window \u2014 this product's artifact records no wavelength span of its own",
      "generated_at": "2026-09-11T01:24:42Z",
      "code_commit": "3364b0e572c80d256e06d6c5cf5f676e53f4f9f3",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29). This product is ALSO a reference-set replication anchor, not a xi-varying measurement of ours \u2014 N/A on either ground (RYA-1185).",
      "sigma_syst_components": {
        "published_syst": 0.17,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.17,
      "sigma_reported": 0.170535,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "AGSS21's own published log gf on the target lines",
        "gf_grade": "published reference set",
        "gf_citation": "Asplund, Amarsi & Grevesse 2021, A&A 653, A141, Table A.2 (10.1051/0004-6361/202140445), ingested by RYA-1109",
        "atlas_citation": "RYA-940 telluric-corrected sibling of solar_kpno; the 1984 atlas itself is UNMODIFIED. Six registered telluric bands corrected per band with ESO molecfit 4.4.4 on Sirius. NO OBSERVATION METADATA EXISTS for this atlas -- no airmass, no date, no site -- so the RYA-380/927 observation-night-GDAS rule is unsatisfiable and the columns are fitted freely against the MIPAS std atmosphere. Ryan ratified th",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Asplund, Amarsi & Grevesse 2021 Table A.2 via RYA-1109 / RYA-1111"
      },
      "superseded_at": "2026-09-11T04:50:36Z",
      "superseded_reason": "RYA-1212: sigma_syst re-derived from 0.17 (the UNGRADED placeholder) to 0.0475 via RYA-968's per-line empirical route. A(Fe) and n_lines are UNCHANGED - this moves the uncertainty only. 17 of 21 lines priced on their own published per-line sigma (5 primary-laboratory: Den Hartog 2014, Belmonte 2017, Ruffoni 2014; 12 NIST accuracy class), the remaining 4 on the pool's own cited RMS per Ryan's threshold ruling (RYA-1212, 2026-09-10). The 0.17 was never a measurement of these lines: RYA-1211 showed its 'systematic:K07 x15' was a lookup miss caused by AGSS21's 0.1 A wavelength printing against a 0.02 A match window."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "iag_fts_solar_atlas",
      "holding": "solar_iag",
      "tier": "ALL",
      "selector": "ASPLUND_AGSS21",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.5039,
      "sigma_stat": 0.0147,
      "sigma_syst": 0.17,
      "n_lines": 21,
      "n_excluded": 19,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.01470 dex at n_lines=21",
      "route": "SYNTH",
      "line_set": "asplund",
      "provenance": {
        "host": "mac",
        "path": "data/results/rya1106/iag/asplund_lines_products.csv",
        "copied_to": "data/results/rya1106/iag/asplund_lines_products.csv",
        "sha256": "1b7122c170b9917e6755764ac4a3351b373bf4745de2426c5c51a32a19376402",
        "artifact_mtime": "2026-09-03T20:50:17Z",
        "ingested_at": "2026-09-03T20:55:00Z"
      },
      "atlas": "IAG FTS solar flux atlas",
      "telluric_state": "corrected: as delivered \u2014 measured telluric-free to 0.1% in the O2 A-band core (RYA-783/786)",
      "grade": "Reference Grade",
      "line_set_resolved": "asplund",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3800.0,
        6910.0
      ],
      "wavelength_range_basis": "the VIS BAND DEFINITION (pipeline.band_policy), not a run window \u2014 this product's artifact records no wavelength span of its own",
      "generated_at": "2026-09-11T01:24:42Z",
      "code_commit": "3364b0e572c80d256e06d6c5cf5f676e53f4f9f3",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29). This product is ALSO a reference-set replication anchor, not a xi-varying measurement of ours \u2014 N/A on either ground (RYA-1185).",
      "sigma_syst_components": {
        "published_syst": 0.17,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.17,
      "sigma_reported": 0.170634,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "AGSS21's own published log gf on the target lines",
        "gf_grade": "published reference set",
        "gf_citation": "Asplund, Amarsi & Grevesse 2021, A&A 653, A141, Table A.2 (10.1051/0004-6361/202140445), ingested by RYA-1109",
        "atlas_citation": "Sirius only; second arm, corroborates Kitt Peak depths to 1-2% RYA-806: RYA-783/786 MEASURED: the IAG FTS atlas IS telluric-corrected - 0.1% below 0.5 in the O2 A-band core and 0.0% in H2O 9280-9600, while showing the SAME solar line depths as Kitt Peak in clean regions, so the correction removed tellurics without erasing solar structure. Matches telluric_basis=corrected RYA-1030 INTAKE (through t",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Asplund, Amarsi & Grevesse 2021 Table A.2 via RYA-1109 / RYA-1111"
      },
      "superseded_at": "2026-09-11T04:50:36Z",
      "superseded_reason": "RYA-1212: sigma_syst re-derived from 0.17 (the UNGRADED placeholder) to 0.0475 via RYA-968's per-line empirical route. A(Fe) and n_lines are UNCHANGED - this moves the uncertainty only. 17 of 21 lines priced on their own published per-line sigma (5 primary-laboratory: Den Hartog 2014, Belmonte 2017, Ruffoni 2014; 12 NIST accuracy class), the remaining 4 on the pool's own cited RMS per Ryan's threshold ruling (RYA-1212, 2026-09-10). The 0.17 was never a measurement of these lines: RYA-1211 showed its 'systematic:K07 x15' was a lookup miss caused by AGSS21's 0.1 A wavelength printing against a 0.02 A match window."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "ALL",
      "selector": "ASPLUND_AGSS21",
      "treatment": "ENGINE-A-3DNLTE",
      "display": "Synth \u00b7 3D-NLTE \u00b7 Amarsi \u00b7 lab-gf",
      "A": 7.4771,
      "sigma_stat": 0.0202,
      "sigma_syst": 0.17,
      "n_lines": 21,
      "n_excluded": 19,
      "dominant_term": null,
      "stat_basis": "measured \u2014 RMS of the random terms, 0.02018 dex at n_lines=21",
      "route": "SYNTH",
      "line_set": "asplund",
      "provenance": {
        "host": "mac",
        "path": "data/results/rya1106/harps_molecfit/asplund_lines_products.csv",
        "copied_to": "data/results/rya1106/harps_molecfit/asplund_lines_products.csv",
        "sha256": "32c299751bbe1f8296e6724f3523828524b2eb18dfd22775027771880a5940cb",
        "artifact_mtime": "2026-09-03T20:50:17Z",
        "ingested_at": "2026-09-03T20:55:00Z"
      },
      "atlas": "HARPS Phase-3 direct-Sun stack (1102.D-0954(A), 2023-08-02), molecfit-corrected",
      "telluric_state": "corrected: ESO molecfit 4.4.4 per-exposure, observation-night GDAS (RYA-931)",
      "grade": "Reference Grade",
      "line_set_resolved": "asplund",
      "line_set_basis": "DERIVED at read time from `tier` by pipeline.reference_lineset.line_set_for_product -- not stored as an identity field (RYA-1127). Shown here for readability; the identity key resolves it independently.",
      "wavelength_range_A": [
        3800.0,
        6910.0
      ],
      "wavelength_range_basis": "the VIS BAND DEFINITION (pipeline.band_policy), not a run window \u2014 this product's artifact records no wavelength span of its own",
      "generated_at": "2026-09-11T01:24:42Z",
      "code_commit": "3364b0e572c80d256e06d6c5cf5f676e53f4f9f3",
      "xi_value_kms": 1.0,
      "delta_xi_kms": 0.2912,
      "sigma_xi": 0.0,
      "xi_state": "NOT_APPLICABLE",
      "xi_note": "full 3D resolves the velocity field xi stands in for, so the PUBLISHED value carries no net xi dependence: it is a sum A(1D-LTE)(xi) + aberr(xi) whose two halves move oppositely. Recorded, not silent \u2014 the Amarsi MLP DOES take vmic as an input axis and its correction moves d(aberr)/dxi = +0.0985 dex/(km/s); the exemption is about the sum, not the call (Ryan, 2026-08-29). This product is ALSO a reference-set replication anchor, not a xi-varying measurement of ours \u2014 N/A on either ground (RYA-1185).",
      "sigma_syst_components": {
        "published_syst": 0.17,
        "sigma_xi": 0.0
      },
      "sigma_syst_complete": 0.17,
      "sigma_reported": 0.171196,
      "sigma_reported_basis": "quadrature(sigma_stat, sigma_syst_complete) where sigma_syst_complete = quadrature(published sigma_syst, sigma_xi). sigma_xi enters ONCE, through sigma_syst_complete \u2014 the RYA-1120 artifact's own sigma_reported omitted sigma_syst altogether.",
      "science_provenance": {
        "gf_source": "AGSS21's own published log gf on the target lines",
        "gf_grade": "published reference set",
        "gf_citation": "Asplund, Amarsi & Grevesse 2021, A&A 653, A141, Table A.2 (10.1051/0004-6361/202140445), ingested by RYA-1109",
        "atlas_citation": "RYA-931 telluric-corrected sibling of solar_harps; solar_harps itself is UNMODIFIED. Built by correcting each of the ten Phase-3 direct-Sun exposures (1102.D-0954(A), 2023-08-02) with ESO Molecfit 4.4.4 against the observation-night La Silla NOAA GDAS column, then re-stacking and renormalising through pipeline.spectra_normalize -- the same functions that built solar_harps. LINEAGE IS PROVEN, NOT A",
        "model_grid": "atlas9 / amarsi",
        "line_set_citation": "Asplund, Amarsi & Grevesse 2021 Table A.2 via RYA-1109 / RYA-1111"
      },
      "superseded_at": "2026-09-11T04:50:37Z",
      "superseded_reason": "RYA-1212: sigma_syst re-derived from 0.17 (the UNGRADED placeholder) to 0.0475 via RYA-968's per-line empirical route. A(Fe) and n_lines are UNCHANGED - this moves the uncertainty only. 17 of 21 lines priced on their own published per-line sigma (5 primary-laboratory: Den Hartog 2014, Belmonte 2017, Ruffoni 2014; 12 NIST accuracy class), the remaining 4 on the pool's own cited RMS per Ryan's threshold ruling (RYA-1212, 2026-09-10). The 0.17 was never a measurement of these lines: RYA-1211 showed its 'systematic:K07 x15' was a lookup miss caused by AGSS21's 0.1 A wavelength printing against a 0.02 A match window."
    }
  ],
  "quarantine": [
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno",
      "tier": "DEEPGRADED",
      "selector": "DEEPGRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.417,
      "sigma_stat": 0.0199,
      "sigma_syst": 0.0402,
      "n_lines": 108,
      "n_excluded": 1,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_SYNTH_DEEPGRADED_products.csv",
        "sha256": "9202dab33062e68ec0611bd3a650c3db9cf86eb89a29b11b1cbc9434f5529d2c",
        "artifact_mtime": "2026-08-23T18:47:12Z",
        "ingested_at": "2026-08-24T23:30:23Z"
      },
      "quarantined_at": "2026-08-24T23:32:14Z",
      "quarantine_reason": "telluric NOT applied \u2014 holdings_manifest_registry says telluric_applied='not-applied' for solar_kpno (read from the registry, never inferred from the name). RYA-1026 displays telluric-corrected products only; the corrected siblings solar_kpno_molecfit_corrected and solar_kpno_kurucz2005_corrected supersede these. Kept in full as the uncorrected CONTROL arm: the pair is what measures what the correction did (RYA-805 \u2014 an absence needs a positive control)."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.447,
      "sigma_stat": 0.0217,
      "sigma_syst": 0.0634,
      "n_lines": 67,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_SYNTH_GRADED_products.csv",
        "sha256": "db6af9d8dbdf3bf203d2a0665585ce54eb3c6903850d56b9afc446595bb6ff42",
        "artifact_mtime": "2026-08-24T01:36:26Z",
        "ingested_at": "2026-08-24T23:30:23Z"
      },
      "quarantined_at": "2026-08-24T23:32:14Z",
      "quarantine_reason": "telluric NOT applied \u2014 holdings_manifest_registry says telluric_applied='not-applied' for solar_kpno (read from the registry, never inferred from the name). RYA-1026 displays telluric-corrected products only; the corrected siblings solar_kpno_molecfit_corrected and solar_kpno_kurucz2005_corrected supersede these. Kept in full as the uncorrected CONTROL arm: the pair is what measures what the correction did (RYA-805 \u2014 an absence needs a positive control)."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno",
      "tier": "GRADED",
      "selector": "GRADED",
      "treatment": "ENGINE-A",
      "display": "Synth \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.454,
      "sigma_stat": 0.0202,
      "sigma_syst": 0.0634,
      "n_lines": 61,
      "n_excluded": 6,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_solar_kpno_SYNTH_GRADED_ENGINE-A_products.csv",
        "sha256": "50d449d171ef8ebe1fb64bf0872a8931925f434a8781e9c717bc69d512e253a2",
        "artifact_mtime": "2026-08-24T01:36:50Z",
        "ingested_at": "2026-08-24T23:30:23Z"
      },
      "quarantined_at": "2026-08-24T23:32:14Z",
      "quarantine_reason": "telluric NOT applied \u2014 holdings_manifest_registry says telluric_applied='not-applied' for solar_kpno (read from the registry, never inferred from the name). RYA-1026 displays telluric-corrected products only; the corrected siblings solar_kpno_molecfit_corrected and solar_kpno_kurucz2005_corrected supersede these. Kept in full as the uncorrected CONTROL arm: the pair is what measures what the correction did (RYA-805 \u2014 an absence needs a positive control)."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno",
      "tier": "UNGRADED",
      "selector": "DEFAULT",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.461,
      "sigma_stat": 0.0245,
      "sigma_syst": 0.0621,
      "n_lines": 55,
      "n_excluded": 0,
      "dominant_term": "gf scale (cited lab)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_SYNTH_products.csv",
        "sha256": "05b81f738e9064f432728418ce6f869bbbd7e295f45cb2c1e7f6c167653d8bdb",
        "artifact_mtime": "2026-08-23T18:47:12Z",
        "ingested_at": "2026-08-24T23:30:24Z"
      },
      "quarantined_at": "2026-08-24T23:32:14Z",
      "quarantine_reason": "telluric NOT applied \u2014 holdings_manifest_registry says telluric_applied='not-applied' for solar_kpno (read from the registry, never inferred from the name). RYA-1026 displays telluric-corrected products only; the corrected siblings solar_kpno_molecfit_corrected and solar_kpno_kurucz2005_corrected supersede these. Kept in full as the uncorrected CONTROL arm: the pair is what measures what the correction did (RYA-805 \u2014 an absence needs a positive control)."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "kpno_solar_atlas",
      "holding": "solar_kpno",
      "tier": "UNGRADED",
      "selector": "FROMEW",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.459,
      "sigma_stat": 0.0131,
      "sigma_syst": 0.17,
      "n_lines": 1452,
      "n_excluded": 31,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_kpno_solar_atlas_SYNTH_FROMEW_products.csv",
        "sha256": "d1ecf30de815ed260fe0bea3775891fe4b120b15fd246381a74b13107884f6da",
        "artifact_mtime": "2026-08-23T18:47:12Z",
        "ingested_at": "2026-08-24T23:30:24Z"
      },
      "quarantined_at": "2026-08-24T23:32:14Z",
      "quarantine_reason": "telluric NOT applied \u2014 holdings_manifest_registry says telluric_applied='not-applied' for solar_kpno (read from the registry, never inferred from the name). RYA-1026 displays telluric-corrected products only; the corrected siblings solar_kpno_molecfit_corrected and solar_kpno_kurucz2005_corrected supersede these. Kept in full as the uncorrected CONTROL arm: the pair is what measures what the correction did (RYA-805 \u2014 an absence needs a positive control)."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "UNGRADED",
      "selector": "FROMEW",
      "treatment": "1D-LTE",
      "display": "Synth \u00b7 1D-LTE",
      "A": 7.537,
      "sigma_stat": 0.0151,
      "sigma_syst": 0.17,
      "n_lines": 1443,
      "n_excluded": 40,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "SYNTH",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_SYNTH_FROMEW_products.csv",
        "sha256": "453b9e04f9a4df3869f43f267ebb3f43d9a105d2b958a5695846879ec907a655",
        "artifact_mtime": "2026-08-23T18:47:12Z",
        "ingested_at": "2026-08-24T23:30:20Z"
      },
      "quarantined_at": "2026-08-24T23:36:42Z",
      "quarantine_reason": "PRE-FIX: measured 2026-08-23T18:47Z, before the RYA-933 continuum-placement fix (fafe924, 2026-08-23 18:57 local) that made the corrected Kitt Peak holdings measurable and fixed continuum placement band-wide. Every Fe run in this session postdates that commit; these two do not, so they are not comparable with the rest of the grid. Kept in full \u2014 the pre/post pair is the evidence for what the fix changed."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "UNGRADED",
      "selector": "DEFAULT",
      "treatment": "1D-LTE",
      "display": "EW \u00b7 1D-LTE",
      "A": 7.656,
      "sigma_stat": 0.0265,
      "sigma_syst": 0.1705,
      "n_lines": 247,
      "n_excluded": 10,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "PROFILEFIT",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_PROFILEFIT_products.csv",
        "sha256": "4129c75109b9706a39dacc284c4fb232d1330e36909ce0794e282f73817d8967",
        "artifact_mtime": "2026-08-24T15:03:10Z",
        "ingested_at": "2026-08-24T23:30:20Z"
      },
      "quarantined_at": "2026-08-24T23:41:14Z",
      "quarantine_reason": "MISLABELLED BY THE BACKFILL, not by the run. selector=DEFAULT means NO tier selection was applied, so the product measures the WHOLE pool: harps EW is 247 lines in aggregate of which 9 ARE lab-graded (6 shallow + 3 deep). I tagged it UNGRADED, which asserts the complement of the lab set. Left standing, CONSISTENT \u2014 a subset of the 238 non-lab lines \u2014 would overlap it and the same lines would appear in two supposedly separate sub-products (RYA-946). Republished immediately as tier=ALL; the VALUES are unchanged and were never in doubt."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "UNGRADED",
      "selector": "DEFAULT",
      "treatment": "ENGINE-A",
      "display": "EW \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.666,
      "sigma_stat": 0.0294,
      "sigma_syst": 0.1705,
      "n_lines": 181,
      "n_excluded": 66,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "PROFILEFIT",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_PROFILEFIT_products.csv",
        "sha256": "4129c75109b9706a39dacc284c4fb232d1330e36909ce0794e282f73817d8967",
        "artifact_mtime": "2026-08-24T15:03:10Z",
        "ingested_at": "2026-08-24T23:30:20Z"
      },
      "quarantined_at": "2026-08-24T23:41:14Z",
      "quarantine_reason": "MISLABELLED BY THE BACKFILL, not by the run. selector=DEFAULT means NO tier selection was applied, so the product measures the WHOLE pool: harps EW is 247 lines in aggregate of which 9 ARE lab-graded (6 shallow + 3 deep). I tagged it UNGRADED, which asserts the complement of the lab set. Left standing, CONSISTENT \u2014 a subset of the 238 non-lab lines \u2014 would overlap it and the same lines would appear in two supposedly separate sub-products (RYA-946). Republished immediately as tier=ALL; the VALUES are unchanged and were never in doubt."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "UNGRADED",
      "selector": "DEFAULT",
      "treatment": "ENGINE-B",
      "display": "EW \u00b7 1D-LTE",
      "A": 7.462,
      "sigma_stat": 0.0252,
      "sigma_syst": 0.17,
      "n_lines": 168,
      "n_excluded": 89,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "PROFILEFIT",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_PROFILEFIT_products.csv",
        "sha256": "4129c75109b9706a39dacc284c4fb232d1330e36909ce0794e282f73817d8967",
        "artifact_mtime": "2026-08-24T15:03:10Z",
        "ingested_at": "2026-08-24T23:30:20Z"
      },
      "quarantined_at": "2026-08-24T23:41:14Z",
      "quarantine_reason": "MISLABELLED BY THE BACKFILL, not by the run. selector=DEFAULT means NO tier selection was applied, so the product measures the WHOLE pool: harps EW is 247 lines in aggregate of which 9 ARE lab-graded (6 shallow + 3 deep). I tagged it UNGRADED, which asserts the complement of the lab set. Left standing, CONSISTENT \u2014 a subset of the 238 non-lab lines \u2014 would overlap it and the same lines would appear in two supposedly separate sub-products (RYA-946). Republished immediately as tier=ALL; the VALUES are unchanged and were never in doubt."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "ALL",
      "selector": "DEFAULT",
      "treatment": "1D-LTE",
      "display": "EW \u00b7 1D-LTE",
      "A": 7.656,
      "sigma_stat": 0.0265,
      "sigma_syst": 0.1705,
      "n_lines": 247,
      "n_excluded": 10,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "PROFILEFIT",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_PROFILEFIT_products.csv",
        "copied_to": null,
        "sha256": "4129c75109b9706a39dacc284c4fb232d1330e36909ce0794e282f73817d8967",
        "artifact_mtime": "2026-08-24T15:03:10Z",
        "ingested_at": "2026-08-24T23:41:24Z"
      },
      "quarantined_at": "2026-08-24T23:47:38Z",
      "quarantine_reason": "APPENDIX BY POLICY, not by defect. Ryan 2026-08-24: the product grid is GRADED / DEEPGRADED / CONSISTENT and nothing else; whole-pool and leftover-ungraded runs get mentioned, plotted where it helps, and live in the appendix. These three ARE a recent run of mine (harps EW, 2026-08-24T15:03Z, post-fix) and the numbers are sound \u2014 7.656 / 7.666 / 7.462 on the full 247-line pool. They are withdrawn as PRODUCTS because tier=ALL measures the whole pool, lab lines included, so it is not one of the three sub-products and overlaps all of them. Kept in full: the appendix still has to show what the ungraded scale does, and that 0.2 dex gap against the graded tier is the entire argument for the gf work (RYA-819/831)."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "ALL",
      "selector": "DEFAULT",
      "treatment": "ENGINE-A",
      "display": "EW \u00b7 1D-NLTE \u00b7 Bergemann",
      "A": 7.666,
      "sigma_stat": 0.0294,
      "sigma_syst": 0.1705,
      "n_lines": 181,
      "n_excluded": 66,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "PROFILEFIT",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_PROFILEFIT_products.csv",
        "copied_to": null,
        "sha256": "4129c75109b9706a39dacc284c4fb232d1330e36909ce0794e282f73817d8967",
        "artifact_mtime": "2026-08-24T15:03:10Z",
        "ingested_at": "2026-08-24T23:41:24Z"
      },
      "quarantined_at": "2026-08-24T23:47:38Z",
      "quarantine_reason": "APPENDIX BY POLICY, not by defect. Ryan 2026-08-24: the product grid is GRADED / DEEPGRADED / CONSISTENT and nothing else; whole-pool and leftover-ungraded runs get mentioned, plotted where it helps, and live in the appendix. These three ARE a recent run of mine (harps EW, 2026-08-24T15:03Z, post-fix) and the numbers are sound \u2014 7.656 / 7.666 / 7.462 on the full 247-line pool. They are withdrawn as PRODUCTS because tier=ALL measures the whole pool, lab lines included, so it is not one of the three sub-products and overlaps all of them. Kept in full: the appendix still has to show what the ungraded scale does, and that 0.2 dex gap against the graded tier is the entire argument for the gf work (RYA-819/831)."
    },
    {
      "element": "Fe",
      "ion": "I",
      "band": "VIS",
      "instrument": "harps",
      "holding": "solar_harps_molecfit_corrected",
      "tier": "ALL",
      "selector": "DEFAULT",
      "treatment": "ENGINE-B",
      "display": "EW \u00b7 1D-LTE",
      "A": 7.462,
      "sigma_stat": 0.0252,
      "sigma_syst": 0.17,
      "n_lines": 168,
      "n_excluded": 89,
      "dominant_term": "gf scale (UNGRADED)",
      "route": "PROFILEFIT",
      "provenance": {
        "host": "mac",
        "path": "/Users/ryanschmitt/codex/rya1015/data/results/band_products/FeI_4200_6910_harps_solar_harps_molecfit_corrected_PROFILEFIT_products.csv",
        "copied_to": null,
        "sha256": "4129c75109b9706a39dacc284c4fb232d1330e36909ce0794e282f73817d8967",
        "artifact_mtime": "2026-08-24T15:03:10Z",
        "ingested_at": "2026-08-24T23:41:24Z"
      },
      "quarantined_at": "2026-08-24T23:47:38Z",
      "quarantine_reason": "APPENDIX BY POLICY, not by defect. Ryan 2026-08-24: the product grid is GRADED / DEEPGRADED / CONSISTENT and nothing else; whole-pool and leftover-ungraded runs get mentioned, plotted where it helps, and live in the appendix. These three ARE a recent run of mine (harps EW, 2026-08-24T15:03Z, post-fix) and the numbers are sound \u2014 7.656 / 7.666 / 7.462 on the full 247-line pool. They are withdrawn as PRODUCTS because tier=ALL measures the whole pool, lab lines included, so it is not one of the three sub-products and overlaps all of them. Kept in full: the appendix still has to show what the ungraded scale does, and that 0.2 dex gap against the graded tier is the entire argument for the gf work (RYA-819/831)."
    }
  ],
  "gaps": [
    {
      "band": "red-optical",
      "tier": "DEEPGRADED",
      "reason": "EMPTY BY CONSTRUCTION, measured on all three arms 2026-08-24. Of the 70 Fe I lab lines in 6910-9199 A, ZERO sit above the 0.60 central-depth gate \u2014 the harness refuses with 'no graded line in this band sits above the EW depth gate' before any spectrum is read, identically for KP1984-molecfit, KP2005 and IAG. The depth split is a strong function of wavelength: near-UV 58 of 59 deep, VIS 109 of 176, red-optical 0 of 70. Red-optical's GRADED tier therefore IS the whole lab pool. Do not relaunch this as a missing run.",
      "declared_at": "2026-08-25T01:43:01Z"
    },
    {
      "band": "NIR",
      "tier": "GRADED",
      "reason": "CRIRES+ Y GRADED is n=1 and the harness REFUSES it \u2014 measured 2026-08-26, not inferred. Of the 5 primary-lab Fe I lines in the Y arm (9913.180 DH14, 9944.207 DH14, 10142.844 DH14, 10216.313 RU14, 10435.355 DH14) only 10435.355 falls inside the conditioned 10280-10680 A window; the other four sit BELOW 10280, in the stretch Elgueta's window excludes. The harness refusal is correct and quotable: 'a pool of fewer than 2 lines cannot carry a line-to-line scatter, so its statistical term would be invented rather than measured'. Deep-graded is 0 in the same window. \u26a0\ufe0f This is a WINDOW limit, not an arm limit: the Y arm spans 9796.5-10796.1 A and is telluric-clean below 10280 (0.00-0.26% of points below 0.5, vs 0.06-0.21% INSIDE the adopted window), so a widened conditioned derivative reaches n=5. That derivative exists (vesta_crires_plus_Y_9800_10796_normalized.csv) but is not yet a registered holding.",
      "declared_at": "2026-08-26T17:00:35Z"
    }
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