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HD 39091 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 39091 b

Confirmed exoplanet · Gas Giant

HD 39091 b

Orbiting HD 39091

Discovered in 2001 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 39091 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,001
Method: Radial Velocity
Radius: 12.3 R⊕
Mass: 4,481.380539 M⊕
Orbit: 2,088.8 days
Distance: 18.2702 pc

Planet profile

Orbit and physical properties

Orbital period: 2,088.8 days
Semi-major axis: 3.28 AU
Eccentricity: 0.642
Radius: 12.3 Earth radii
Mass: 4,481.380539 Earth masses
Mass provenance: Mass
Density: 13.2 g/cm³
Equilibrium temperature: 172.74 K
Insolation: 0.1342 Earth flux

Host system

Star and system properties

Host star: HD 39091
Stars in system: 1
Known planets in system: 3
Spectral type: G0 V
Stellar temperature: 5,998 K
Stellar radius: 1.17 R☉
Stellar mass: 1.07 M☉
Stellar metallicity: 0.09 dex
Stellar age: 3.92 Gyr
Distance: 18.2702 parsecs
Right ascension: 05h37m11.83s
Declination: -80d27m52.57s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,001
Publication date: 2002-07
Discovery locale: Ground
Facility: Anglo-Australian Telescope
Telescope: 3.9 m Anglo-Australian Telescope
Instrument: UCLES Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 39091 b.

Generic gas giant catalog artwork; not a direct image of HD 39091 b — Apex Andromeda catalog artwork