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HD 42012 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 42012 b

Confirmed exoplanet · Gas Giant

HD 42012 b

Orbiting HD 42012

Discovered in 2017 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 42012 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 508.528 M⊕
Orbit: 857.5 days
Distance: 36.7984 pc

Planet profile

Orbit and physical properties

Orbital period: 857.5 days
Semi-major axis: 1.67 AU
Eccentricity: 0.2
Radius: 13.5 Earth radii
Mass: 508.528 Earth masses
Mass provenance: Msini
Density: 1.14 g/cm³
Equilibrium temperature: 182.63 K
Insolation: 0.1927 Earth flux

Host system

Star and system properties

Host star: HD 42012
Stars in system: 1
Known planets in system: 1
Spectral type: K0
Stellar temperature: 5,405 K
Stellar radius: 0.82 R☉
Stellar mass: 0.83 M☉
Stellar metallicity: -0.09 dex
Stellar age: 4.1 Gyr
Distance: 36.7984 parsecs
Right ascension: 06h09m56.51s
Declination: +34d08m03.02s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,017
Publication date: 2017-05
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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