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BD+42 2315 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/BD+42 2315 b

Confirmed exoplanet · Gas Giant

BD+42 2315 b

Orbiting BD+42 2315

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+42 2315 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 14.2 R⊕
Mass: 174.805624 M⊕
Orbit: 123.05 days
Distance: 610.715 pc

Planet profile

Orbit and physical properties

Orbital period: 123.05 days
Semi-major axis: 0.54 AU
Eccentricity: 0.73
Radius: 14.2 Earth radii
Mass: 174.805624 Earth masses
Mass provenance: Msini
Density: 0.335 g/cm³
Equilibrium temperature: 1,247.58 K
Insolation: 335.1294 Earth flux

Host system

Star and system properties

Host star: BD+42 2315
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 4,500 K
Stellar radius: 17.85 R☉
Stellar mass: 1.38 M☉
Stellar metallicity: -0.2 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 610.715 parsecs
Right ascension: 12h30m21.30s
Declination: +41d16m10.44s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-12
Discovery locale: Ground
Facility: McDonald Observatory
Telescope: 9.2 m Hobby-Eberly Telescope
Instrument: High Resolution Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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