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HD 4313 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 4313 b

Confirmed exoplanet · Gas Giant

HD 4313 b

Orbiting HD 4313

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 4313 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.4 R⊕
Mass: 612.45841 M⊕
Orbit: 356.21 days
Distance: 136.308 pc

Planet profile

Orbit and physical properties

Orbital period: 356.21 days
Semi-major axis: 1.157 AU
Eccentricity: 0.147
Radius: 13.4 Earth radii
Mass: 612.45841 Earth masses
Mass provenance: Msini
Density: 1.4 g/cm³
Equilibrium temperature: 502.39 K
Insolation: 10.533 Earth flux

Host system

Star and system properties

Host star: HD 4313
Stars in system: 1
Known planets in system: 1
Spectral type: G5
Stellar temperature: 4,943 K
Stellar radius: 5.14 R☉
Stellar mass: 1.63 M☉
Stellar metallicity: 0.14 dex
Stellar age: 2 Gyr
Distance: 136.308 parsecs
Right ascension: 00h45m40.35s
Declination: +07d50m42.18s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-05
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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