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WASP-189 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/WASP-189 b

Confirmed exoplanet · Gas Giant

WASP-189 b

Orbiting WASP-189

Discovered in 2020 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 WASP-189 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 18.14734 R⊕
Mass: 632.47853 M⊕
Orbit: 2.724033 days
Distance: 99.731 pc

Planet profile

Orbit and physical properties

Orbital period: 2.724033 days
Semi-major axis: 0.05053 AU
Eccentricity: 0
Radius: 18.14734 Earth radii
Mass: 632.47853 Earth masses
Mass provenance: Mass
Density: 0.621987 g/cm³
Equilibrium temperature: 3,353 K
Insolation: 8,083.7169 Earth flux

Host system

Star and system properties

Host star: WASP-189
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 8,000 K
Stellar radius: 2.36 R☉
Stellar mass: 2.03 M☉
Stellar metallicity: 0.29 dex
Stellar age: 0.73 Gyr
Distance: 99.731 parsecs
Right ascension: 15h02m44.82s
Declination: -03d01m53.35s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2020-11
Discovery locale: Space
Facility: CHaracterising ExOPlanets Satellite (CHEOPS)
Telescope: 0.3 m Ritchey-Chretien Telescope
Instrument: Teledyne e2v CCD detector
NASA Exoplanet Archive: Open composite record ↗

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