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HD 19994 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 19994 b

Confirmed exoplanet · Gas Giant

HD 19994 b

Orbiting HD 19994

Discovered in 2003 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 19994 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,003
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 435.41 M⊕
Orbit: 466.2 days
Distance: 22.5242 pc

Planet profile

Orbit and physical properties

Orbital period: 466.2 days
Semi-major axis: 1.305 AU
Eccentricity: 0.063
Radius: 13.6 Earth radii
Mass: 435.41 Earth masses
Mass provenance: Msini
Density: 0.951 g/cm³
Equilibrium temperature: 350.1 K
Insolation: 2.2324 Earth flux

Host system

Star and system properties

Host star: HD 19994
Stars in system: 3
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 6,188 K
Stellar radius: 1.79647 R☉
Stellar mass: 1.365 M☉
Stellar metallicity: 0.27 dex
Stellar age: 2.4 Gyr
Distance: 22.5242 parsecs
Right ascension: 03h12m46.64s
Declination: -01d11m47.02s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,003
Publication date: 2004-02
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 1.2 m Leonhard Euler Telescope
Instrument: CORALIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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