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HD 131496 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 131496 b

Confirmed exoplanet · Gas Giant

HD 131496 b

Orbiting HD 131496

Discovered in 2011 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 131496 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 13.4 R⊕
Mass: 572.094 M⊕
Orbit: 896 days
Distance: 131.849 pc

Planet profile

Orbit and physical properties

Orbital period: 896 days
Semi-major axis: 2.01 AU
Eccentricity: 0.181
Radius: 13.4 Earth radii
Mass: 572.094 Earth masses
Mass provenance: Msini
Density: 1.31 g/cm³
Equilibrium temperature: 347.3 K
Insolation: 2.4257 Earth flux

Host system

Star and system properties

Host star: HD 131496
Stars in system: 1
Known planets in system: 1
Spectral type: K0
Stellar temperature: 4,846 K
Stellar radius: 4.44 R☉
Stellar mass: 1.34 M☉
Stellar metallicity: 0.25 dex
Stellar age: 2.7 Gyr
Distance: 131.849 parsecs
Right ascension: 14h53m23.08s
Declination: +18d14m06.94s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,011
Publication date: 2011-12
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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