HD 89307 · The Exoplanet Codex

Section 01

General Information

Spectral type

G0V

T_eff

~5998 K

log g

~4.35

[Fe/H]

−0.16 dex

Distance

30.0 pc

Planets

1

Orbit type

Long-period

ESASky DSS image of the HD 89307 field — Image: ESA Sky / DSS2 — HD 89307 field

Science Context

HD 89307 hosts a Jupiter-mass planet at 3.34 AU — a long-period gas giant in a near-circular orbit, reminiscent of Jupiter itself. Its near-solar-type host ([Fe/H] = −0.16) makes it an interesting counterpart to the more metal-rich systems in the Codex.

Stellar Parameters

Parameter	Symbol	Value	Source
Effective temperature	T_eff	~5998 K	Literature
Surface gravity	log g	~4.35	Literature
Metallicity	[Fe/H]	~−0.16 dex	Literature
Spectral type	—	G0V	Solar analogue
Distance	d	30.0 pc (97.8 ly)	Gaia DR3

Known Planets

Planet	Mass	Type	Semi-major axis	Hab zone
HD 89307 b	1.78 M_J	Long-period Jupiter	3.34 AU	No — gas giant

Section 02

NASA Interactive Visualization

// SYSTEM SCAN — NASA EXOPLANET ARCHIVE //

Interactive: NASA Eyes on Exoplanets / JPL Open NASA page ↗

// INTERACTIVE SKY VIEW //

Section 04

Our Findings

Spectral analysis of HD 89307 is queued for the Exoplanet Codex pipeline. EW measurements and elemental abundances will be published here upon completion. Follow our progress on the Mission Log.

Section 05

References & Credits

Key Literature

Fischer et al. (2009), ApJ 696, 1116 — planet discovery

NASA Exoplanet Archive — orbital parameters

Data Sources

NASA/IPAC Exoplanet Archive

SIMBAD / CDS — stellar parameters

Hipparcos / Gaia — parallax & distance

Image Credits

Image: ESA Sky / DSS2 — HD 89307 field

Interactive sky: CDS Aladin Lite v3 / DSS2

NASA Eyes: NASA/JPL-Caltech

Pipeline

HARPS S1D — ESO Science Archive

Analysis: The Exoplanet Codex

github.com/damienabraxas/exoplanetcodex

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