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HATS-31 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HATS-31 b

Confirmed exoplanet · Gas Giant

HATS-31 b

Orbiting HATS-31

Discovered in 2016 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 HATS-31 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Transit
Radius: 18.38276 R⊕
Mass: 279.6904 M⊕
Orbit: 3.37796 days
Distance: 773.974 pc

Planet profile

Orbit and physical properties

Orbital period: 3.37796 days
Semi-major axis: 0.0478 AU
Eccentricity: 0.233
Radius: 18.38276 Earth radii
Mass: 279.6904 Earth masses
Mass provenance: Mass
Density: 0.243 g/cm³
Equilibrium temperature: 1,823 K
Insolation: 1,619.406 Earth flux

Host system

Star and system properties

Host star: HATS-31
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,050 K
Stellar radius: 1.87 R☉
Stellar mass: 1.275 M☉
Stellar metallicity: 0 dex
Stellar age: 4.3 Gyr
Distance: 773.974 parsecs
Right ascension: 12h46m48.68s
Declination: -24d25m38.60s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,016
Publication date: 2016-12
Discovery locale: Ground
Facility: HATSouth
Telescope: 0.18 m Takahashi Epsilon Astrograph
Instrument: Apogee 4K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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