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HD 37124 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 37124 b

Confirmed exoplanet · Gas Giant

HD 37124 b

Orbiting HD 37124

Discovered in 2002 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 37124 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 14 R⊕
Mass: 214.53525 M⊕
Orbit: 154.378 days
Distance: 31.6634 pc

Planet profile

Orbit and physical properties

Orbital period: 154.378 days
Semi-major axis: 0.53364 AU
Eccentricity: 0.054
Radius: 14 Earth radii
Mass: 214.53525 Earth masses
Mass provenance: Msini
Density: 0.43 g/cm³
Equilibrium temperature: 366.48 K
Insolation: 2.7119 Earth flux

Host system

Star and system properties

Host star: HD 37124
Stars in system: 1
Known planets in system: 3
Spectral type: G4 V
Stellar temperature: 5,698.64 K
Stellar radius: 0.949168 R☉
Stellar mass: 0.85 M☉
Stellar metallicity: -0.44 dex
Stellar age: 4 Gyr
Distance: 31.6634 parsecs
Right ascension: 05h37m02.40s
Declination: +20d43m44.32s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2003-01
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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