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HD 74156 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 74156 c

Confirmed exoplanet · Gas Giant

HD 74156 c

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 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,003
Method: Radial Velocity
Radius: 12.5 R⊕
Mass: 2,753.983147 M⊕
Orbit: 2,448.48726 days
Distance: 57.603 pc

Planet profile

Orbit and physical properties

Orbital period: 2,448.48726 days
Semi-major axis: 3.678 AU
Eccentricity: 0.377
Radius: 12.5 Earth radii
Mass: 2,753.983147 Earth masses
Mass provenance: Mass
Density: 7.75 g/cm³
Equilibrium temperature: 187.52 K
Insolation: 0.186 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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