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tau Boo b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/tau Boo b

Confirmed exoplanet · Gas Giant

tau Boo b

Orbiting tau Boo

Discovered in 1996 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 tau Boo b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 1,996
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,891 M⊕
Orbit: 3.312457 days
Distance: 15.6521 pc

Planet profile

Orbit and physical properties

Orbital period: 3.312457 days
Semi-major axis: 0.049 AU
Eccentricity: 0.011
Radius: 12.8 Earth radii
Mass: 1,891 Earth masses
Mass provenance: Mass
Density: 4.95 g/cm³
Equilibrium temperature: 1,682.02 K
Insolation: 1,333.7826 Earth flux

Host system

Star and system properties

Host star: tau Boo
Stars in system: 2
Known planets in system: 1
Spectral type: F7 V
Stellar temperature: 6,466.27 K
Stellar radius: 1.42588 R☉
Stellar mass: 1.32 M☉
Stellar metallicity: 0.2642 dex
Stellar age: 2 Gyr
Distance: 15.6521 parsecs
Right ascension: 13h47m15.23s
Declination: +17d27m25.79s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 1,996
Publication date: 1997-01
Discovery locale: Ground
Facility: Lick Observatory
Telescope: 3.0 m C. Donald Shane Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from tau Boo b.

Generic gas giant catalog artwork; not a direct image of tau Boo b — Apex Andromeda catalog artwork