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WASP-77 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/WASP-77 A b

Confirmed exoplanet · Gas Giant

WASP-77 A b

Orbiting WASP-77 A

Discovered in 2012 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-77 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,012
Method: Transit
Radius: 13.56 R⊕
Mass: 529.311429 M⊕
Orbit: 1.360029 days
Distance: 105.166 pc

Planet profile

Orbit and physical properties

Orbital period: 1.360029 days
Semi-major axis: 0.023234 AU
Eccentricity: 0.01353
Radius: 13.56 Earth radii
Mass: 529.311429 Earth masses
Mass provenance: Mass
Density: 1.33 g/cm³
Equilibrium temperature: 1,674 K
Insolation: 1,440 Earth flux

Host system

Star and system properties

Host star: WASP-77 A
Stars in system: 2
Known planets in system: 1
Spectral type: G8 V
Stellar temperature: 5,617 K
Stellar radius: 0.91 R☉
Stellar mass: 0.903 M☉
Stellar metallicity: -0.1 dex
Stellar age: 6.2 Gyr
Distance: 105.166 parsecs
Right ascension: 02h28m37.33s
Declination: -07d03m38.40s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,012
Publication date: 2013-01
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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