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HD 147018 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 147018 b

Confirmed exoplanet · Gas Giant

HD 147018 b

Orbiting HD 147018

Discovered in 2009 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 147018 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.4 R⊕
Mass: 674 M⊕
Orbit: 44.236 days
Distance: 40.4256 pc

Planet profile

Orbit and physical properties

Orbital period: 44.236 days
Semi-major axis: 0.2388 AU
Eccentricity: 0.4686
Radius: 13.4 Earth radii
Mass: 674 Earth masses
Mass provenance: Msini
Density: 1.54 g/cm³
Equilibrium temperature: 519.98 K
Insolation: 12.4842 Earth flux

Host system

Star and system properties

Host star: HD 147018
Stars in system: 1
Known planets in system: 2
Spectral type: G9 V
Stellar temperature: 5,441 K
Stellar radius: 0.937948 R☉
Stellar mass: 0.927 M☉
Stellar metallicity: 0.1 dex
Stellar age: 6.36 Gyr
Distance: 40.4256 parsecs
Right ascension: 16h22m59.76s
Declination: -61d41m24.46s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-02
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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