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HAT-P-55 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HAT-P-55 b

Confirmed exoplanet · Gas Giant

HAT-P-55 b

Orbiting HAT-P-55

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-55 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 14.84069 R⊕
Mass: 189.425731 M⊕
Orbit: 3.585231 days
Distance: 511.388 pc

Planet profile

Orbit and physical properties

Orbital period: 3.585231 days
Semi-major axis: 0.04628 AU
Eccentricity: 0.17
Radius: 14.84069 Earth radii
Mass: 189.425731 Earth masses
Mass provenance: Mass
Density: 0.318 g/cm³
Equilibrium temperature: 1,367 K
Insolation: 583 Earth flux

Host system

Star and system properties

Host star: HAT-P-55
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,804 K
Stellar radius: 1.105 R☉
Stellar mass: 1.028 M☉
Stellar metallicity: 0.003 dex
Stellar age: 5.3 Gyr
Distance: 511.388 parsecs
Right ascension: 17h37m05.64s
Declination: +25d43m52.13s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-09
Discovery locale: Ground
Facility: HATNet
Telescope: Canon 200mm f/1.8L
Instrument: 2K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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