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HD 7449 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 7449 b

Confirmed exoplanet · Gas Giant

HD 7449 b

Orbiting HD 7449

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 HD 7449 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,597.929399 M⊕
Orbit: 1,270.55195 days
Distance: 38.662 pc

Planet profile

Orbit and physical properties

Orbital period: 1,270.55195 days
Semi-major axis: 2.438 AU
Eccentricity: 0.752
Radius: 12.6 Earth radii
Mass: 2,597.929399 Earth masses
Mass provenance: Mass
Density: 7.14 g/cm³
Equilibrium temperature: 183.23 K
Insolation: 0.2125 Earth flux

Host system

Star and system properties

Host star: HD 7449
Stars in system: 2
Known planets in system: 1
Spectral type: F9.5 V
Stellar temperature: 6,024 K
Stellar radius: 0.97 R☉
Stellar mass: 1.196 M☉
Stellar metallicity: -0.105 dex
Stellar age: 2.1 Gyr
Distance: 38.662 parsecs
Right ascension: 01h14m29.15s
Declination: -05d02m52.70s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,011
Publication date: 2011-11
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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