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HD 103720 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 103720 b

Confirmed exoplanet · Gas Giant

HD 103720 b

Orbiting HD 103720

Discovered in 2014 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 103720 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Radial Velocity
Radius: 14.1 R⊕
Mass: 197.046 M⊕
Orbit: 4.5557 days
Distance: 45.5352 pc

Planet profile

Orbit and physical properties

Orbital period: 4.5557 days
Semi-major axis: 0.0498 AU
Eccentricity: 0.086
Radius: 14.1 Earth radii
Mass: 197.046 Earth masses
Mass provenance: Msini
Density: 0.386 g/cm³
Equilibrium temperature: 926.24 K
Insolation: 140.3478 Earth flux

Host system

Star and system properties

Host star: HD 103720
Stars in system: 1
Known planets in system: 1
Spectral type: K3 V
Stellar temperature: 5,017 K
Stellar radius: 0.73 R☉
Stellar mass: 0.794 M☉
Stellar metallicity: -0.02 dex
Stellar age: 3.8 Gyr
Distance: 45.5352 parsecs
Right ascension: 11h56m41.12s
Declination: -02d46m44.90s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,014
Publication date: 2015-04
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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