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HD 70573 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 70573 b

Confirmed exoplanet · Gas Giant

HD 70573 b

Orbiting HD 70573

Discovered in 2007 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 70573 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,900 M⊕
Orbit: 851.8 days
Distance: 59.182 pc

Planet profile

Orbit and physical properties

Orbital period: 851.8 days
Semi-major axis: 1.76 AU
Eccentricity: 0.4
Radius: 12.8 Earth radii
Mass: 1,900 Earth masses
Mass provenance: Msini
Density: 4.98 g/cm³
Equilibrium temperature: 206.11 K
Insolation: 0.3222 Earth flux

Host system

Star and system properties

Host star: HD 70573
Stars in system: 1
Known planets in system: 1
Spectral type: G1-1.5 V
Stellar temperature: 5,737 K
Stellar radius: 0.976919 R☉
Stellar mass: 1 M☉
Stellar metallicity: -0.18 dex
Stellar age: 0.102 Gyr
Distance: 59.182 parsecs
Right ascension: 08h22m49.90s
Declination: +01d51m32.79s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2007-05
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 2.2 m MPG/ESO Telescope
Instrument: FEROS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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