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HD 11755 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 11755 b

Confirmed exoplanet · Gas Giant

HD 11755 b

Orbiting HD 11755

Discovered in 2015 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 11755 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,789.3829 M⊕
Orbit: 433.70001 days
Distance: 235.045 pc

Planet profile

Orbit and physical properties

Orbital period: 433.70001 days
Semi-major axis: 1.09 AU
Eccentricity: 0.19
Radius: 12.8 Earth radii
Mass: 1,789.3829 Earth masses
Mass provenance: Msini
Density: 4.69 g/cm³
Equilibrium temperature: 903.49 K
Insolation: 124.3021 Earth flux

Host system

Star and system properties

Host star: HD 11755
Stars in system: 1
Known planets in system: 1
Spectral type: G5
Stellar temperature: 4,312 K
Stellar radius: 20.58 R☉
Stellar mass: 0.72 M☉
Stellar metallicity: -0.74 dex
Stellar age: 10.2 Gyr
Distance: 235.045 parsecs
Right ascension: 01h58m49.88s
Declination: +73d09m07.69s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,015
Publication date: 2015-12
Discovery locale: Ground
Facility: Bohyunsan Optical Astronomical Observatory
Telescope: 1.8 m Telescope
Instrument: BOES Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 11755 b.

Generic gas giant catalog artwork; not a direct image of HD 11755 b — Apex Andromeda catalog artwork