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HAT-P-57 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HAT-P-57 b

Confirmed exoplanet · Gas Giant

HAT-P-57 b

Orbiting HAT-P-57

Discovered in 2015 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 HAT-P-57 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 19.50366 R⊕
Mass: 448.1403 M⊕
Orbit: 2.4653 days
Distance: 279.86 pc

Planet profile

Orbit and physical properties

Orbital period: 2.4653 days
Semi-major axis: 0.0406 AU
Eccentricity: 0
Radius: 19.50366 Earth radii
Mass: 448.1403 Earth masses
Mass provenance: Mass
Density: 0.332 g/cm³
Equilibrium temperature: 2,200 K
Insolation: 2,726.6328 Earth flux

Host system

Star and system properties

Host star: HAT-P-57
Stars in system: 3
Known planets in system: 1
Spectral type: A8 V
Stellar temperature: 6,330 K
Stellar radius: 1.85 R☉
Stellar mass: 2.77 M☉
Stellar metallicity: -0.25 dex
Stellar age: 1 Gyr
Distance: 279.86 parsecs
Right ascension: 18h18m58.42s
Declination: +10d35m49.91s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-12
Discovery locale: Ground
Facility: HATNet
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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