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HD 156846 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 156846 b

Confirmed exoplanet · Gas Giant

HD 156846 b

Orbiting HD 156846

Discovered in 2007 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 156846 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 12.4 R⊕
Mass: 3,391.2461 M⊕
Orbit: 359.51001 days
Distance: 47.7332 pc

Planet profile

Orbit and physical properties

Orbital period: 359.51001 days
Semi-major axis: 1.12 AU
Eccentricity: 0.85
Radius: 12.4 Earth radii
Mass: 3,391.2461 Earth masses
Mass provenance: Msini
Density: 9.77 g/cm³
Equilibrium temperature: 382.49 K
Insolation: 3.97 Earth flux

Host system

Star and system properties

Host star: HD 156846
Stars in system: 2
Known planets in system: 1
Spectral type: G0 V
Stellar temperature: 6,090 K
Stellar radius: 1.9 R☉
Stellar mass: 1.38 M☉
Stellar metallicity: 0.15 dex
Stellar age: 2.4 Gyr
Distance: 47.7332 parsecs
Right ascension: 17h20m34.16s
Declination: -19d20m03.71s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2008-03
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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