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Qatar-9 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Qatar-9 b

Confirmed exoplanet · Gas Giant

Qatar-9 b

Orbiting Qatar-9

Discovered in 2019 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 Qatar-9 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 11.309881 R⊕
Mass: 378.2177 M⊕
Orbit: 1.540731 days
Distance: 213.771 pc

Planet profile

Orbit and physical properties

Orbital period: 1.540731 days
Semi-major axis: 0.0234 AU
Eccentricity: 0
Radius: 11.309881 Earth radii
Mass: 378.2177 Earth masses
Mass provenance: Mass
Density: 1.43 g/cm³
Equilibrium temperature: 1,134 K
Insolation: 210.669 Earth flux

Host system

Star and system properties

Host star: Qatar-9
Stars in system: 1
Known planets in system: 1
Spectral type: K5 V
Stellar temperature: 4,309 K
Stellar radius: 0.696 R☉
Stellar mass: 0.719 M☉
Stellar metallicity: 0.252 dex
Stellar age: 7.5 Gyr
Distance: 213.771 parsecs
Right ascension: 10h42m59.54s
Declination: +60d57m50.83s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-06
Discovery locale: Ground
Facility: Qatar
Telescope: Canon 400mm f/2.8L
Instrument: FLI ProLine 4K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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