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HD 28185 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 28185 b

Confirmed exoplanet · Gas Giant

HD 28185 b

Orbiting HD 28185

Discovered in 2001 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 28185 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,001
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,859.296181 M⊕
Orbit: 385.92 days
Distance: 39.3809 pc

Planet profile

Orbit and physical properties

Orbital period: 385.92 days
Semi-major axis: 1.034 AU
Eccentricity: 0.063
Radius: 12.8 Earth radii
Mass: 1,859.296181 Earth masses
Mass provenance: Msini
Density: 4.87 g/cm³
Equilibrium temperature: 271.95 K
Insolation: 0.9073 Earth flux

Host system

Star and system properties

Host star: HD 28185
Stars in system: 1
Known planets in system: 2
Spectral type: G5
Stellar temperature: 5,602 K
Stellar radius: 1.048 R☉
Stellar mass: 0.974 M☉
Stellar metallicity: 0.19 dex
Stellar age: 8.3 Gyr
Distance: 39.3809 parsecs
Right ascension: 04h26m26.41s
Declination: -10d33m03.87s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,001
Publication date: 2001-12
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 1.2 m Leonhard Euler Telescope
Instrument: CORALIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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