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WASP-31 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/WASP-31 b

Confirmed exoplanet · Gas Giant

WASP-31 b

Orbiting WASP-31

Discovered in 2010 using Transit. 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 WASP-31 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,010
Method: Transit
Radius: 17.363 R⊕
Mass: 151.916 M⊕
Orbit: 3.40591 days
Distance: 383.829 pc

Planet profile

Orbit and physical properties

Orbital period: 3.40591 days
Semi-major axis: 0.04659 AU
Eccentricity: 0
Radius: 17.363 Earth radii
Mass: 151.916 Earth masses
Mass provenance: Mass
Density: 0.172 g/cm³
Equilibrium temperature: 1,423.7 K
Insolation: 970.9417 Earth flux

Host system

Star and system properties

Host star: WASP-31
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,302 K
Stellar radius: 1.252 R☉
Stellar mass: 1.163 M☉
Stellar metallicity: -0.2 dex
Stellar age: 1 Gyr
Distance: 383.829 parsecs
Right ascension: 11h17m45.33s
Declination: -19d03m17.20s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,010
Publication date: 2011-07
Discovery locale: Ground
Facility: SuperWASP
Telescope: Canon 200mm f/1.8L
Instrument: iKon-L CCD Camera
NASA Exoplanet Archive: Open composite record ↗

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