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HD 28254 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 28254 b

Confirmed exoplanet · Gas Giant

HD 28254 b

Orbiting HD 28254

Discovered in 2010 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 28254 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,010
Method: Radial Velocity
Radius: 13 R⊕
Mass: 1,207.747947 M⊕
Orbit: 1,333 days
Distance: 55.2884 pc

Planet profile

Orbit and physical properties

Orbital period: 1,333 days
Semi-major axis: 2.45 AU
Eccentricity: 0.95
Radius: 13 Earth radii
Mass: 1,207.747947 Earth masses
Mass provenance: Mass
Density: 3.02 g/cm³
Equilibrium temperature: 212.28 K
Insolation: 0.3645 Earth flux

Host system

Star and system properties

Host star: HD 28254
Stars in system: 2
Known planets in system: 1
Spectral type: G5 V
Stellar temperature: 5,664 K
Stellar radius: 1.48 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: 0.06 dex
Stellar age: 6 Gyr
Distance: 55.2884 parsecs
Right ascension: 04h24m50.60s
Declination: -50d37m22.11s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,010
Publication date: 2010-11
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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