Planet tau Gem b

Name tau Gem b
Planet Status Confirmed
Discovered in 2004
Mass 20.6 MJ
Mass*sin(i) 20.6 MJ +
Semi-Major Axis 1.17 AU
Orbital Period 305.5 (± 0.1) day +
Eccentricity 0.031 (± 0.009)
ω 137.4 (± 0.3) deg
Tperi 2453270.7 (± 14.8) JD
Radius
Inclination
Update 2015-08-21
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 350.5 (± 3.4) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

tau Gem
Name tau Gem
Distance 98.4 (± 2.5) pc
Spectral type K2III
Apparent magnitude V 4.4
Mass 2.3 (± 0.3) MSun
Age 1.22 (± 0.76) Gyr
Effective temperature 4388.0 (± 25.0) K
Radius 26.8 (± 0.7) RSun
Metallicity [Fe/H] 0.14 (± 0.1)
Detected Disc
Magnetic Field
RA2000 07:11:08.0
Dec2000 +30:14:43
Alternate Names
Planetary system 1 planet

Remarks

Alias HD 54719

More data

Observability Predictor

Remarks

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

Related publications

Precise radial velocities of giant stars VIII. Testing for the presence of planets with CRIRES Infrared Radial Velocities
2015 TRIFONOV T., REFFERT S., ZECHMEISTER M., REINERS A. & QUIRRENBACH A.
Astron. & Astrophys., 582, A54
paper  arxiv  ADS

Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr
2013 MITCHELL D., REFFERT S., TRIFONOV T., QUIRRENBACH A. & FISCHER D.
Astron. & Astrophys., 555, A87
paper  arxiv  

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Defining and cataloging exoplanets: The exoplanet.eu database
2011 SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
paper   arxiv

Quantization of Planetary Systems and its Dependency on Stellar Rotation
2011 ZOGHBI J.-P.
Publ. Astron. Soc. Australia, 28, 177
paper   arxiv   ADS  

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

Density Estimation for Projected Exoplanet Quantities
2011 BROWN R.
ApJ., 733, 68
paper

Four Substellar Companions Found Around K Giant Stars.
2003 MITCHELL D., FRINK S., QUIRRENBACH A., FISCHER D., MARCY G. & BUTLER P.
BAAS, 35 no 5, #17.03
abstract