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HD 148427 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 148427 b

Confirmed exoplanet · Gas Giant

HD 148427 b

Orbiting HD 148427

Discovered in 2009 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 148427 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.7 R⊕
Mass: 381.394088 M⊕
Orbit: 331.9 days
Distance: 71.3499 pc

Planet profile

Orbit and physical properties

Orbital period: 331.9 days
Semi-major axis: 1.11 AU
Eccentricity: 0.12
Radius: 13.7 Earth radii
Mass: 381.394088 Earth masses
Mass provenance: Mass
Density: 0.815 g/cm³
Equilibrium temperature: 451.86 K
Insolation: 4.8905 Earth flux

Host system

Star and system properties

Host star: HD 148427
Stars in system: 1
Known planets in system: 1
Spectral type: K0 III- IV
Stellar temperature: 5,025 K
Stellar radius: 3.86 R☉
Stellar mass: 1.64 M☉
Stellar metallicity: 0.154 dex
Stellar age: 2.5 Gyr
Distance: 71.3499 parsecs
Right ascension: 16h28m28.11s
Declination: -13d23m58.64s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2009-10
Discovery locale: Ground
Facility: Lick Observatory
Telescope: 3.0 m C. Donald Shane Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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