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nu Oct A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/nu Oct A b

Confirmed exoplanet · Gas Giant

nu Oct A b

Orbiting nu Oct A

Discovered in 2016 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 nu Oct A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 696.044211 M⊕
Orbit: 402.4 days
Distance: 21.1999 pc

Planet profile

Orbit and physical properties

Orbital period: 402.4 days
Semi-major axis: 1.24 AU
Eccentricity: 0.195
Radius: 13.3 Earth radii
Mass: 696.044211 Earth masses
Mass provenance: Mass
Density: 1.63 g/cm³
Equilibrium temperature: 477.33 K
Insolation: 8.5848 Earth flux

Host system

Star and system properties

Host star: nu Oct A
Stars in system: 2
Known planets in system: 1
Spectral type: K1 IV
Stellar temperature: 4,910 K
Stellar radius: 5.04 R☉
Stellar mass: 1.57 M☉
Stellar metallicity: 0.18 dex
Stellar age: 2.7 Gyr
Distance: 21.1999 parsecs
Right ascension: 21h41m28.87s
Declination: -77d23m27.91s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-08
Discovery locale: Ground
Facility: University of Canterbury Mt John Observatory
Telescope: 1.0 m McLellan telescope
Instrument: HERCULES echelle spectrograph
NASA Exoplanet Archive: Open composite record ↗

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