Planet tau Gem b

Detailed information about planet tau Gem b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

tau Gem b

Planet Status

Confirmed

Discovered in

2004

Update

2015-08-21

Mass

20.6

M_J

Mass*sin(i)

20.6

M_J 2 publications

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr
Four Substellar Companions Found Around K Giant Stars.

Semi-Major Axis

1.17 AU 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Orbital Period

305.5 (\pm 0.1)

day 2 publications

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr
Four Substellar Companions Found Around K Giant Stars.

Eccentricity

0.031 (\pm 0.009)

1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

ω

137.4 (\pm 0.3)

deg 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

T_peri

2453270.7 (\pm 14.8)

JD 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

350.5 (\pm 3.4)

m/s 1 publication

Precise radial velocities of giant stars VIII. Testing for the presence of planets with CRIRES Infrared Radial Velocities

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

03 Jan 2011: Companion confirmed at the Conference " Planetary Systems Beyond the Main Sequence", Bamberg 2010 (Quirrenbach et al)

No link

Star

Name

tau Gem

Distance

98.4 (\pm 2.5)

pc 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Spectral type

K2III

Apparent magnitude V

4.4

Mass

2.3 (\pm 0.3)

M_Sun 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Age

1.22 (\pm 0.76)

Gyr 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Effective temperature

4388.0 (\pm 25.0)

K 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Radius

26.8 (\pm 0.7)

R_Sun 1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Metallicity [Fe/H]

0.14 (\pm 0.1)

1 publication

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

07:11:08.0

Dec₂₀₀₀

+30:14:43.0

Alternate Names

—

Alias HD 54719

No link

Simbad
Most recent references (ADS)

Planet tau Gem b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet tau Gem b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Precise radial velocities of giant stars VIII. Testing for the presence of planets with CRIRES Infrared Radial Velocities

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities

Quantization of Planetary Systems and its Dependency on Stellar Rotation

Density Estimation for Projected Exoplanet Quantities

The Exoplanet Handbook

Defining and cataloging exoplanets: The exoplanet.eu database

Four Substellar Companions Found Around K Giant Stars.