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HD 290327 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 290327 b

Confirmed exoplanet · Gas Giant

HD 290327 b

Orbiting HD 290327

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 290327 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 772.3269 M⊕
Orbit: 2,443 days
Distance: 56.433 pc

Planet profile

Orbit and physical properties

Orbital period: 2,443 days
Semi-major axis: 3.43 AU
Eccentricity: 0.08
Radius: 13.3 Earth radii
Mass: 772.3269 Earth masses
Mass provenance: Msini
Density: 1.8 g/cm³
Equilibrium temperature: 139.7 K
Insolation: 0.0616 Earth flux

Host system

Star and system properties

Host star: HD 290327
Stars in system: 1
Known planets in system: 1
Spectral type: G8 V
Stellar temperature: 5,505 K
Stellar radius: 0.95 R☉
Stellar mass: 0.84 M☉
Stellar metallicity: -0.14 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 56.433 parsecs
Right ascension: 05h23m21.60s
Declination: -02d16m40.94s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-11
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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