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HD 25171 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 25171 b

Confirmed exoplanet · Gas Giant

HD 25171 b

Orbiting HD 25171

Discovered in 2010 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 25171 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,010
Method: Radial Velocity
Radius: 13.9 R⊕
Mass: 290.81445 M⊕
Orbit: 1,802.29 days
Distance: 55.6146 pc

Planet profile

Orbit and physical properties

Orbital period: 1,802.29 days
Semi-major axis: 2.971 AU
Eccentricity: 0.042
Radius: 13.9 Earth radii
Mass: 290.81445 Earth masses
Mass provenance: Msini
Density: 0.595 g/cm³
Equilibrium temperature: 190.04 K
Insolation: 0.2141 Earth flux

Host system

Star and system properties

Host star: HD 25171
Stars in system: 2
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 6,125 K
Stellar radius: 1.23 R☉
Stellar mass: 1.076 M☉
Stellar metallicity: -0.12 dex
Stellar age: 4.802 Gyr
Distance: 55.6146 parsecs
Right ascension: 03h55m49.79s
Declination: -65d11m10.77s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,010
Publication date: 2011-03
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 25171 b.

Generic gas giant catalog artwork; not a direct image of HD 25171 b — Apex Andromeda catalog artwork