THE EXOPLANET CODEX
// PROJECT ROADMAP — 2026 //
INITIALIZING...
* IN PROGRESS
PHASE 1
Foundation
Now — 4 wks
Line lists, site infra
& pipeline scaffolding
— / — tasks
* QUEUED
PHASE 3
55 Cancri A
8 — 16 wks
EW fitting & C/O ratio
for a 5-planet system
— / — tasks
* FUTURE
PHASE 5
Scale Up
20+ wks
Multi-star survey across
11+ FGK & M dwarfs
— / — tasks
* QUEUED
PHASE 2
Solar Calibration
4 — 8 wks
Validate A(Fe)☉ = 7.46
against Asplund 2021
— / — tasks
* PLANNED
PHASE 4
Beta Release
16 — 20 wks
Publish Codex v1 —
arXiv preprint & open data
— / — tasks
[ KEY SCIENCE QUESTIONS ]
> C/O ratio — carbon-rich or oxygen-rich?
> [Fe/H], Ni, Co — heavy metals & rocky planets
> [alpha/Fe] — galactic chemical evolution
> Alpha Cen A abundances before Aug 2026 JWST
[ BETA RELEASE: COPERNICUS ]
> 55 Cancri A   G8V   12.6 pc   [Fe/H]=+0.32
> Planet: Janssen (55 Cnc e)   5 confirmed planets
> JWST CO₂/CO atmosphere — our C/O explains why
> 27 elements: Fe I/II, C, O, N, Mg, Si, Ba, Eu...
[ OPEN SCIENCE ]
> github/damienabraxas/exoplanetcodex
> Data: ESO Archive + Zenodo DOI
> exoplanetcodex.org   arXiv   RNAAS   OJAp
> HARPS R~115,000 + HST/MAST UV data