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HD 215497 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 215497 c

Confirmed exoplanet · Gas Giant

HD 215497 c

Orbiting HD 215497

Discovered in 2009 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 215497 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13 R⊕
Mass: 111.239942 M⊕
Orbit: 566 days
Distance: 40.5468 pc

Planet profile

Orbit and physical properties

Orbital period: 566 days
Semi-major axis: 1.31 AU
Eccentricity: 0.47
Radius: 13 Earth radii
Mass: 111.239942 Earth masses
Mass provenance: Mass
Density: 0.278 g/cm³
Equilibrium temperature: 198.6 K
Insolation: 0.2267 Earth flux

Host system

Star and system properties

Host star: HD 215497
Stars in system: 1
Known planets in system: 2
Spectral type: K3 V
Stellar temperature: 5,113 K
Stellar radius: 0.85 R☉
Stellar mass: 0.92 M☉
Stellar metallicity: 0.23 dex
Stellar age: 5.8 Gyr
Distance: 40.5468 parsecs
Right ascension: 22h46m36.65s
Declination: -56d35m59.27s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-03
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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