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GJ 414 A c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 414 A c

Confirmed exoplanet · Gas Giant

GJ 414 A c

Orbiting GJ 414 A

Discovered in 2021 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 GJ 414 A c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 8.4 R⊕
Mass: 53.83 M⊕
Orbit: 749.83 days
Distance: 11.8893 pc

Planet profile

Orbit and physical properties

Orbital period: 749.83 days
Semi-major axis: 1.4 AU
Eccentricity: 0.105
Radius: 8.4 Earth radii
Mass: 53.83 Earth masses
Mass provenance: Msini
Density: 0.499 g/cm³
Equilibrium temperature: 124.7 K
Insolation: 0.0607 Earth flux

Host system

Star and system properties

Host star: GJ 414 A
Stars in system: 2
Known planets in system: 2
Spectral type: K7 V
Stellar temperature: 4,120 K
Stellar radius: 0.68 R☉
Stellar mass: 0.65 M☉
Stellar metallicity: 0.24 dex
Stellar age: 12.4 Gyr
Distance: 11.8893 parsecs
Right ascension: 11h11m05.88s
Declination: +30d26m42.61s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-02
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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