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HD 74156 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 74156 b

Confirmed exoplanet · Gas Giant

HD 74156 b

Orbiting HD 74156

Discovered in 2003 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 74156 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,003
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 532.362582 M⊕
Orbit: 51.63564 days
Distance: 57.603 pc

Planet profile

Orbit and physical properties

Orbital period: 51.63564 days
Semi-major axis: 0.28 AU
Eccentricity: 0.636
Radius: 13.5 Earth radii
Mass: 532.362582 Earth masses
Mass provenance: Msini
Density: 1.19 g/cm³
Equilibrium temperature: 679.63 K
Insolation: 32.0951 Earth flux

Host system

Star and system properties

Host star: HD 74156
Stars in system: 1
Known planets in system: 2
Spectral type: G0
Stellar temperature: 6,068 K
Stellar radius: 1.510576 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: 0.131 dex
Stellar age: 3.7 Gyr
Distance: 57.603 parsecs
Right ascension: 08h42m25.15s
Declination: +04d34m38.04s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,003
Publication date: 2004-01
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: ELODIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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