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HD 73534 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 73534 b

Confirmed exoplanet · Gas Giant

HD 73534 b

Orbiting HD 73534

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 73534 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,008
Method: Radial Velocity
Radius: 13.7 R⊕
Mass: 353.42696 M⊕
Orbit: 1,750 days
Distance: 83.3321 pc

Planet profile

Orbit and physical properties

Orbital period: 1,750 days
Semi-major axis: 2.99 AU
Eccentricity: 0.126
Radius: 13.7 Earth radii
Mass: 353.42696 Earth masses
Mass provenance: Msini
Density: 0.755 g/cm³
Equilibrium temperature: 220.25 K
Insolation: 0.3721 Earth flux

Host system

Star and system properties

Host star: HD 73534
Stars in system: 1
Known planets in system: 1
Spectral type: G5
Stellar temperature: 4,917 K
Stellar radius: 2.58 R☉
Stellar mass: 1.16 M☉
Stellar metallicity: 0.232 dex
Stellar age: 7.04 Gyr
Distance: 83.3321 parsecs
Right ascension: 08h39m15.68s
Declination: +12d57m35.89s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,008
Publication date: 2009-09
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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