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BD-210397 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/BD-210397 b

Confirmed exoplanet · Gas Giant

BD-210397 b

Orbiting BD-210397

Discovered in 2023 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-210397 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 14 R⊕
Mass: 214 M⊕
Orbit: 1,891 days
Distance: 23.7324 pc

Planet profile

Orbit and physical properties

Orbital period: 1,891 days
Semi-major axis: 2.63 AU
Eccentricity: 0.1
Radius: 14 Earth radii
Mass: 214 Earth masses
Mass provenance: Msini
Density: 0.429 g/cm³
Equilibrium temperature: 104.11 K
Insolation: 0.02 Earth flux

Host system

Star and system properties

Host star: BD-210397
Stars in system: 1
Known planets in system: 2
Spectral type: K7 V
Stellar temperature: 4,051 K
Stellar radius: 0.747 R☉
Stellar mass: 0.679 M☉
Stellar metallicity: 0.12 dex
Stellar age: 6.2 Gyr
Distance: 23.7324 parsecs
Right ascension: 02h13m12.58s
Declination: -21d11m46.37s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-07
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from BD-210397 b.

Generic gas giant catalog artwork; not a direct image of BD-210397 b — Apex Andromeda catalog artwork