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alf Tau b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/alf Tau b

Confirmed exoplanet · Gas Giant

alf Tau b

Orbiting alf Tau

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 alf Tau b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Radial Velocity
Radius: 12.7 R⊕
Mass: 2,056.3601 M⊕
Orbit: 628.96 days
Distance: 20.4332 pc

Planet profile

Orbit and physical properties

Orbital period: 628.96 days
Semi-major axis: 1.46 AU
Eccentricity: 0.1
Radius: 12.7 Earth radii
Mass: 2,056.3601 Earth masses
Mass provenance: Msini
Density: 5.52 g/cm³
Equilibrium temperature: 1,086.77 K
Insolation: 220.442 Earth flux

Host system

Star and system properties

Host star: alf Tau
Stars in system: 2
Known planets in system: 1
Spectral type: K5 III
Stellar temperature: 4,055 K
Stellar radius: 45.1 R☉
Stellar mass: 1.13 M☉
Stellar metallicity: -0.27 dex
Stellar age: 6.6 Gyr
Distance: 20.4332 parsecs
Right ascension: 04h35m55.24s
Declination: +16d30m33.12s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,015
Publication date: 2015-08
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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