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HIP 57274 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HIP 57274 c

Confirmed exoplanet · Gas Giant

HIP 57274 c

Orbiting HIP 57274

Discovered in 2011 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 HIP 57274 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 14.2 R⊕
Mass: 130 M⊕
Orbit: 32.03 days
Distance: 25.8618 pc

Planet profile

Orbit and physical properties

Orbital period: 32.03 days
Semi-major axis: 0.178 AU
Eccentricity: 0.05
Radius: 14.2 Earth radii
Mass: 130 Earth masses
Mass provenance: Msini
Density: 0.249 g/cm³
Equilibrium temperature: 437.32 K
Insolation: 48.8832 Earth flux

Host system

Star and system properties

Host star: HIP 57274
Stars in system: 1
Known planets in system: 3
Spectral type: K4 V
Stellar temperature: 4,640 K
Stellar radius: 0.68 R☉
Stellar mass: 0.73 M☉
Stellar metallicity: 0.09 dex
Stellar age: 7.87 Gyr
Distance: 25.8618 parsecs
Right ascension: 11h44m40.93s
Declination: +30d57m27.53s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,011
Publication date: 2012-01
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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