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HD 7924 d | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 7924 d

Confirmed exoplanet · Gas Giant

HD 7924 d

Orbiting HD 7924

Discovered in 2015 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 7924 d — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Radial Velocity
Radius: Not reported by the NASA Exoplanet Archive
Mass: 1,568.16536 M⊕
Orbit: 24.451 days
Distance: 16.9922 pc

Planet profile

Orbit and physical properties

Orbital period: 24.451 days
Semi-major axis: 0.1551 AU
Eccentricity: 0.21
Radius: Not reported by the NASA Exoplanet Archive
Mass: 1,568.16536 Earth masses
Mass provenance: Mass
Density: Not reported by the NASA Exoplanet Archive
Equilibrium temperature: 499 K
Insolation: 15.17 Earth flux

Host system

Star and system properties

Host star: HD 7924
Stars in system: 1
Known planets in system: 3
Spectral type: K0.5 V
Stellar temperature: 5,075 K
Stellar radius: 0.7821 R☉
Stellar mass: 0.832 M☉
Stellar metallicity: -0.15 dex
Stellar age: 0.88 Gyr
Distance: 16.9922 parsecs
Right ascension: 01h21m58.96s
Declination: +76d42m36.53s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,015
Publication date: 2015-06
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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