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HD 8673 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 8673 b

Confirmed exoplanet · Gas Giant

HD 8673 b

Orbiting HD 8673

Discovered in 2009 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of HD 8673 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 12.3 R⊕
Mass: 4,210.590736 M⊕
Orbit: 1,644.69097 days
Distance: 37.8619 pc

Planet profile

Orbit and physical properties

Orbital period: 1,644.69097 days
Semi-major axis: 2.97 AU
Eccentricity: 0.73
Radius: 12.3 Earth radii
Mass: 4,210.590736 Earth masses
Mass provenance: Mass
Density: 12.4 g/cm³
Equilibrium temperature: 219.11 K
Insolation: 0.3841 Earth flux

Host system

Star and system properties

Host star: HD 8673
Stars in system: 2
Known planets in system: 1
Spectral type: F5
Stellar temperature: 6,389.05 K
Stellar radius: 1.50225 R☉
Stellar mass: 1.28 M☉
Stellar metallicity: 0.1474 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 37.8619 parsecs
Right ascension: 01h26m09.08s
Declination: +34d34m45.62s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-07
Discovery locale: Ground
Facility: Thueringer Landessternwarte Tautenburg
Telescope: 2.0 m Alfred Jensch Telescope
Instrument: Coude Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 8673 b.

Generic gas giant catalog artwork; not a direct image of HD 8673 b — Apex Andromeda catalog artwork