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HD 109749 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 109749 b

Confirmed exoplanet · Gas Giant

HD 109749 b

Orbiting HD 109749

Discovered in 2005 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 109749 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,005
Method: Radial Velocity
Radius: 11.1 R⊕
Mass: 85.8141 M⊕
Orbit: 5.239891 days
Distance: 63.0821 pc

Planet profile

Orbit and physical properties

Orbital period: 5.239891 days
Semi-major axis: 0.0615 AU
Eccentricity: 0
Radius: 11.1 Earth radii
Mass: 85.8141 Earth masses
Mass provenance: Msini
Density: 0.345 g/cm³
Equilibrium temperature: 1,250.83 K
Insolation: 409.4961 Earth flux

Host system

Star and system properties

Host star: HD 109749
Stars in system: 2
Known planets in system: 1
Spectral type: G3 V
Stellar temperature: 5,824 K
Stellar radius: 1.22 R☉
Stellar mass: 1.13 M☉
Stellar metallicity: 0.24 dex
Stellar age: 3.3 Gyr
Distance: 63.0821 parsecs
Right ascension: 12h37m16.16s
Declination: -40d48m43.72s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,005
Publication date: 2006-02
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 109749 b.

Generic gas giant catalog artwork; not a direct image of HD 109749 b — Apex Andromeda catalog artwork