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HD 103774 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 103774 b

Confirmed exoplanet · Gas Giant

HD 103774 b

Orbiting HD 103774

Discovered in 2013 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 103774 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,013
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 116 M⊕
Orbit: 5.8881 days
Distance: 56.4089 pc

Planet profile

Orbit and physical properties

Orbital period: 5.8881 days
Semi-major axis: 0.07 AU
Eccentricity: 0.09
Radius: 13.3 Earth radii
Mass: 116 Earth masses
Mass provenance: Msini
Density: 0.271 g/cm³
Equilibrium temperature: 1,487.08 K
Insolation: 714.1738 Earth flux

Host system

Star and system properties

Host star: HD 103774
Stars in system: 2
Known planets in system: 1
Spectral type: F5 V
Stellar temperature: 6,489 K
Stellar radius: 1.581047 R☉
Stellar mass: 1.335 M☉
Stellar metallicity: 0.28 dex
Stellar age: 1.05 Gyr
Distance: 56.4089 parsecs
Right ascension: 11h56m55.46s
Declination: -12d06m28.78s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,013
Publication date: 2013-03
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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