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HD 114783 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 114783 b

Confirmed exoplanet · Gas Giant

HD 114783 b

Orbiting HD 114783

Discovered in 2001 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 114783 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,001
Method: Radial Velocity
Radius: 13.7 R⊕
Mass: 349.6 M⊕
Orbit: 493.7 days
Distance: 21.0628 pc

Planet profile

Orbit and physical properties

Orbital period: 493.7 days
Semi-major axis: 1.16 AU
Eccentricity: 0.144
Radius: 13.7 Earth radii
Mass: 349.6 Earth masses
Mass provenance: Msini
Density: 0.747 g/cm³
Equilibrium temperature: 210.79 K
Insolation: 0.3152 Earth flux

Host system

Star and system properties

Host star: HD 114783
Stars in system: 1
Known planets in system: 2
Spectral type: K0
Stellar temperature: 5,135 K
Stellar radius: 0.840622 R☉
Stellar mass: 0.853 M☉
Stellar metallicity: 0.21 dex
Stellar age: 6 Gyr
Distance: 21.0628 parsecs
Right ascension: 13h12m43.64s
Declination: -02d15m53.97s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,001
Publication date: 2002-03
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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