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WASP-2 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/WASP-2 b

Confirmed exoplanet · Gas Giant

WASP-2 b

Orbiting WASP-2

Discovered in 2007 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-2 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Transit
Radius: 12.116929 R⊕
Mass: 295.89973 M⊕
Orbit: 2.152175 days
Distance: 153.242 pc

Planet profile

Orbit and physical properties

Orbital period: 2.152175 days
Semi-major axis: 0.03144 AU
Eccentricity: 0.0054
Radius: 12.116929 Earth radii
Mass: 295.89973 Earth masses
Mass provenance: Mass
Density: 0.914 g/cm³
Equilibrium temperature: 1,311 K
Insolation: 492 Earth flux

Host system

Star and system properties

Host star: WASP-2
Stars in system: 2
Known planets in system: 1
Spectral type: K1
Stellar temperature: 5,180 K
Stellar radius: 0.866 R☉
Stellar mass: 0.895 M☉
Stellar metallicity: 0.12 dex
Stellar age: 8.2 Gyr
Distance: 153.242 parsecs
Right ascension: 20h30m54.13s
Declination: +06d25m45.59s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,007
Publication date: 2007-03
Discovery locale: Ground
Facility: SuperWASP
Telescope: Canon 200mm f/1.8L
Instrument: iKon-L CCD Camera
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from WASP-2 b.

Generic gas giant catalog artwork; not a direct image of WASP-2 b — Apex Andromeda catalog artwork