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BD+45 564 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/BD+45 564 b

Confirmed exoplanet · Gas Giant

BD+45 564 b

Orbiting BD+45 564

Discovered in 2021 using Radial Velocity. 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 BD+45 564 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 432.246634 M⊕
Orbit: 307.88 days
Distance: 53.622 pc

Planet profile

Orbit and physical properties

Orbital period: 307.88 days
Semi-major axis: 0.83 AU
Eccentricity: 0.12
Radius: 13.6 Earth radii
Mass: 432.246634 Earth masses
Mass provenance: Msini
Density: 0.944 g/cm³
Equilibrium temperature: 238.82 K
Insolation: 0.579 Earth flux

Host system

Star and system properties

Host star: BD+45 564
Stars in system: 1
Known planets in system: 1
Spectral type: K1
Stellar temperature: 5,004 K
Stellar radius: 0.813064 R☉
Stellar mass: 0.81 M☉
Stellar metallicity: -0.09 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 53.622 parsecs
Right ascension: 02h11m47.29s
Declination: +45d55m27.19s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-07
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: SOPHIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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