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BD+49 828 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/BD+49 828 b

Confirmed exoplanet · Gas Giant

BD+49 828 b

Orbiting BD+49 828

Discovered in 2015 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+49 828 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 508.5 M⊕
Orbit: 2,590 days
Distance: 442.042 pc

Planet profile

Orbit and physical properties

Orbital period: 2,590 days
Semi-major axis: 4.2 AU
Eccentricity: 0.35
Radius: 13.5 Earth radii
Mass: 508.5 Earth masses
Mass provenance: Msini
Density: 1.14 g/cm³
Equilibrium temperature: 320.63 K
Insolation: 1.673 Earth flux

Host system

Star and system properties

Host star: BD+49 828
Stars in system: 1
Known planets in system: 1
Spectral type: K0
Stellar temperature: 4,943 K
Stellar radius: 7.6 R☉
Stellar mass: 1.52 M☉
Stellar metallicity: -0.19 dex
Stellar age: 2.34 Gyr
Distance: 442.042 parsecs
Right ascension: 03h02m33.75s
Declination: +49d43m47.81s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,015
Publication date: 2015-04
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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