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HD 4732 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 4732 b

Confirmed exoplanet · Gas Giant

HD 4732 b

Orbiting HD 4732

Discovered in 2012 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 4732 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,012
Method: Radial Velocity
Radius: 13.4 R⊕
Mass: 631.207216 M⊕
Orbit: 371.74 days
Distance: 54.7841 pc

Planet profile

Orbit and physical properties

Orbital period: 371.74 days
Semi-major axis: 1.129 AU
Eccentricity: 0.266
Radius: 13.4 Earth radii
Mass: 631.207216 Earth masses
Mass provenance: Msini
Density: 1.44 g/cm³
Equilibrium temperature: 498.53 K
Insolation: 10.3009 Earth flux

Host system

Star and system properties

Host star: HD 4732
Stars in system: 2
Known planets in system: 2
Spectral type: K0 IV
Stellar temperature: 4,898 K
Stellar radius: 5.03 R☉
Stellar mass: 1.39 M☉
Stellar metallicity: -0.01 dex
Stellar age: 1.47 Gyr
Distance: 54.7841 parsecs
Right ascension: 00h49m14.04s
Declination: -24d08m12.87s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,012
Publication date: 2013-01
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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