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HATS-77 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HATS-77 b

Confirmed exoplanet · Gas Giant

HATS-77 b

Orbiting HATS-77

Discovered in 2021 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-77 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Transit
Radius: 13.058463 R⊕
Mass: 436.696231 M⊕
Orbit: 3.087626 days
Distance: 436.176 pc

Planet profile

Orbit and physical properties

Orbital period: 3.087626 days
Semi-major axis: 0.03607 AU
Eccentricity: 0.045
Radius: 13.058463 Earth radii
Mass: 436.696231 Earth masses
Mass provenance: Mass
Density: 1.077 g/cm³
Equilibrium temperature: 828.3 K
Insolation: 78.37 Earth flux

Host system

Star and system properties

Host star: HATS-77
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,071 K
Stellar radius: 0.6428 R☉
Stellar mass: 0.655 M☉
Stellar metallicity: 0.253 dex
Stellar age: 12.1 Gyr
Distance: 436.176 parsecs
Right ascension: 09h59m17.68s
Declination: -27d23m34.14s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,021
Publication date: 2022-03
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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