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KELT-23 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/KELT-23 A b

Confirmed exoplanet · Gas Giant

KELT-23 A b

Orbiting KELT-23 A

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 KELT-23 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 14.829507 R⊕
Mass: 298.12454 M⊕
Orbit: 2.255251 days
Distance: 126.261 pc

Planet profile

Orbit and physical properties

Orbital period: 2.255251 days
Semi-major axis: 0.03302 AU
Eccentricity: 0
Radius: 14.829507 Earth radii
Mass: 298.12454 Earth masses
Mass provenance: Mass
Density: 0.503 g/cm³
Equilibrium temperature: 1,561 K
Insolation: 991.183 Earth flux

Host system

Star and system properties

Host star: KELT-23 A
Stars in system: 2
Known planets in system: 1
Spectral type: G2 V
Stellar temperature: 5,899 K
Stellar radius: 0.996 R☉
Stellar mass: 0.944 M☉
Stellar metallicity: -0.105 dex
Stellar age: 6.4 Gyr
Distance: 126.261 parsecs
Right ascension: 15h28m35.19s
Declination: +66d21m31.35s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-08
Discovery locale: Ground
Facility: KELT-North
Telescope: Mamiya 645 80mm f/1.9
Instrument: Apogee 4K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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