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BD+15 2940 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/BD+15 2940 b

Confirmed exoplanet · Gas Giant

BD+15 2940 b

Orbiting BD+15 2940

Discovered in 2013 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+15 2940 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,013
Method: Radial Velocity
Radius: 13.7 R⊕
Mass: 352.78 M⊕
Orbit: 137.48 days
Distance: 426.42 pc

Planet profile

Orbit and physical properties

Orbital period: 137.48 days
Semi-major axis: 0.539 AU
Eccentricity: 0.26
Radius: 13.7 Earth radii
Mass: 352.78 Earth masses
Mass provenance: Msini
Density: 0.754 g/cm³
Equilibrium temperature: 1,207.75 K
Insolation: 352.2269 Earth flux

Host system

Star and system properties

Host star: BD+15 2940
Stars in system: 1
Known planets in system: 1
Spectral type: K0
Stellar temperature: 4,796 K
Stellar radius: 14.7 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: 0.28 dex
Stellar age: 7.1 Gyr
Distance: 426.42 parsecs
Right ascension: 16h00m22.95s
Declination: +15d32m48.30s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,013
Publication date: 2013-06
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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