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HD 153950 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 153950 b

Confirmed exoplanet · Gas Giant

HD 153950 b

Orbiting HD 153950

Discovered in 2008 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 153950 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,008
Method: Radial Velocity
Radius: 13.2 R⊕
Mass: 937.5985 M⊕
Orbit: 499.39999 days
Distance: 48.4549 pc

Planet profile

Orbit and physical properties

Orbital period: 499.39999 days
Semi-major axis: 1.28 AU
Eccentricity: 0.34
Radius: 13.2 Earth radii
Mass: 937.5985 Earth masses
Mass provenance: Msini
Density: 2.24 g/cm³
Equilibrium temperature: 295.3 K
Insolation: 1.355 Earth flux

Host system

Star and system properties

Host star: HD 153950
Stars in system: 1
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 6,124 K
Stellar radius: 1.28 R☉
Stellar mass: 1.25 M☉
Stellar metallicity: -0.01 dex
Stellar age: 4.3 Gyr
Distance: 48.4549 parsecs
Right ascension: 17h04m31.03s
Declination: -43d18m37.35s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,008
Publication date: 2009-03
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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