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HD 40979 b | Exoplanets | Apex Andromeda | Apex Andromeda

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Planets/Exoplanets/HD 40979 b

Confirmed exoplanet · Gas Giant

HD 40979 b

Orbiting HD 40979

Discovered in 2002 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 40979 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 12.9 R⊕
Mass: 1,484.2661 M⊕
Orbit: 264.14999 days
Distance: 34.0883 pc

Planet profile

Orbit and physical properties

Orbital period: 264.14999 days
Semi-major axis: 0.85 AU
Eccentricity: 0.25
Radius: 12.9 Earth radii
Mass: 1,484.2661 Earth masses
Mass provenance: Msini
Density: 3.8 g/cm³
Equilibrium temperature: 354.69 K
Insolation: 2.7022 Earth flux

Host system

Star and system properties

Host star: HD 40979
Stars in system: 3
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 6,165 K
Stellar radius: 1.21 R☉
Stellar mass: 1.45 M☉
Stellar metallicity: 0.2 dex
Stellar age: 3.56 Gyr
Distance: 34.0883 parsecs
Right ascension: 06h04m30.08s
Declination: +44d15m35.23s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2003-04
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 40979 b.

Generic gas giant catalog artwork; not a direct image of HD 40979 b — Apex Andromeda catalog artwork