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HD 50554 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 50554 b

Confirmed exoplanet · Gas Giant

HD 50554 b

Orbiting HD 50554

Discovered in 2002 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 HD 50554 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,859.296181 M⊕
Orbit: 1,240 days
Distance: 31.1664 pc

Planet profile

Orbit and physical properties

Orbital period: 1,240 days
Semi-major axis: 2.339 AU
Eccentricity: 0.482
Radius: 12.8 Earth radii
Mass: 1,859.296181 Earth masses
Mass provenance: Mass
Density: 4.87 g/cm³
Equilibrium temperature: 192.65 K
Insolation: 0.2738 Earth flux

Host system

Star and system properties

Host star: HD 50554
Stars in system: 1
Known planets in system: 3
Spectral type: F8 V
Stellar temperature: 6,050 K
Stellar radius: 1.02 R☉
Stellar mass: 1.1 M☉
Stellar metallicity: 0.02 dex
Stellar age: 2.16 Gyr
Distance: 31.1664 parsecs
Right ascension: 06h54m42.79s
Declination: +24d14m42.51s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2002-05
Discovery locale: Ground
Facility: Lick Observatory
Telescope: 0.6 m Coude Auxiliary Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 50554 b.

Generic gas giant catalog artwork; not a direct image of HD 50554 b — Apex Andromeda catalog artwork