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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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BD+14 4559 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/BD+14 4559 b

Confirmed exoplanet · Gas Giant

BD+14 4559 b

Orbiting BD+14 4559

Discovered in 2009 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+14 4559 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.8 R⊕
Mass: 330.5432 M⊕
Orbit: 268.94 days
Distance: 49.352 pc

Planet profile

Orbit and physical properties

Orbital period: 268.94 days
Semi-major axis: 0.78 AU
Eccentricity: 0.29
Radius: 13.8 Earth radii
Mass: 330.5432 Earth masses
Mass provenance: Msini
Density: 0.691 g/cm³
Equilibrium temperature: 246.28 K
Insolation: 0.7867 Earth flux

Host system

Star and system properties

Host star: BD+14 4559
Stars in system: 1
Known planets in system: 1
Spectral type: K2 V
Stellar temperature: 4,864 K
Stellar radius: 0.86 R☉
Stellar mass: 0.49 M☉
Stellar metallicity: 0.17 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 49.352 parsecs
Right ascension: 21h13m36.24s
Declination: +14d41m21.78s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2009-12
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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