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91 Aqr b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/91 Aqr b

Confirmed exoplanet · Gas Giant

91 Aqr b

Orbiting 91 Aqr

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 91 Aqr b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,013
Method: Radial Velocity
Radius: 13.1 R⊕
Mass: 1,017 M⊕
Orbit: 181.4 days
Distance: 44.0304 pc

Planet profile

Orbit and physical properties

Orbital period: 181.4 days
Semi-major axis: 0.7 AU
Eccentricity: 0.027
Radius: 13.1 Earth radii
Mass: 1,017 Earth masses
Mass provenance: Msini
Density: 2.49 g/cm³
Equilibrium temperature: 891.73 K
Insolation: 100.506 Earth flux

Host system

Star and system properties

Host star: 91 Aqr
Stars in system: 3
Known planets in system: 1
Spectral type: K0 III
Stellar temperature: 4,665 K
Stellar radius: 11 R☉
Stellar mass: 1.4 M☉
Stellar metallicity: -0.03 dex
Stellar age: 3.56 Gyr
Distance: 44.0304 parsecs
Right ascension: 23h15m53.88s
Declination: -09d05m16.11s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,013
Publication date: 2013-07
Discovery locale: Ground
Facility: Lick Observatory
Telescope: 0.6 m Coude Auxiliary Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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