Planet Gl 581 b

Name Gl 581 b
Discovered in 2005
M × sin i 0.05 MJ
Semi-major axis 0.041 AU
Orbital period 5.36865 (± 9e-05) day
Eccentricity 0.031 (± 0.014)
ω 251.0 (± 26.0) deg
Tperi 55753.95 (± 0.39) JD
Radius
Inclination
Update Sept. 13, 2011
Detection method detected by radial velocity
Molecules detected
Primary transit
Secondary transit
Anomaly angle
Time Vr=0
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)

Other web-pages

Geneva Observatory data

Star

Name Gl 581
Distance 6.21 (± 0.1) pc
Spectral type M2.5V
Apparent magnitude V 10.55
Mass 0.31 (± 0.02) MSun
Age 8.0 ( -1.0 +1.0 ) Gyr
Effective temperature 3498.0 (± 56.0) K
Radius 0.3 (± 0.01) RSun
Metallicity [Fe/H] -0.135
RA2000 15:19:26.0
Dec2000 -07:43:20
Planetary system 6 planets

More data


Related publications

A Consistent Orbital Stability Analysis for the GJ 581 System
April 18, 2014 Joiner, D., Sul, C. Dragomir, D., Kane, S. & M. Kress
ApJ, accepted
arxiv 

A Mid-Infrared Search for Substellar Companions of Nearby Planet-Host Stars
March 4, 2014 HULSEBUS A., MARENGO M., CARSON J. & STAPELFELDT K.
ApJ, 784, 41
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Habitable Zone Dependence on Stellar Parameter Uncertainties
Jan. 16, 2014 KANE S.
ApJ, 782, 111
paper  arxiv 

X-ray detection of GJ 581 and simultaneous UV observations
Oct. 23, 2013 VITALE V. & FRANCE K.
Astron. & Astrophys., 558, A139
paper  

Dynamics of Rotation of Super-Earths
Aug. 8, 2013 CALLEGARI N. & RODRIGUEZ J.
Cel. mech. & Dyn. Astron., 116, 389
arxiv   paper

The impact of red noise in radial velocity planet searches: Only three planets orbiting GJ581?
Sept. 17, 2012 BALUEV R.
MNRAS, submitted
arxiv  

The First Very Long Baseline Interferometric SETI Experiment
July 20, 2012 RAMPADARATH H., MORGAN J., TINGAY S. & TROTT C.
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A new analysis of the GJ581 extrasolar planetary system
May 2, 2012 TADEAU dos SANTOS M., SILVA G., FERRAZ-MELLO S. & MICHTCHENKO T.
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April 21, 2012 PLAVALOVA E.
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Evolution of magnetic protection in potentially habitable terrestrial planets
April 3, 2012 ZULUAGA J., CUARTAS P. HOOS J.
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Impact Exchange Between Planets if Gliese 581
March 21, 2012 BROCK L. & MELOSH H.
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Thermal phase curves of non-transiting terrestrial exoplanets II. Characterizing airless planets
Feb. 11, 2012 MAURIN A., SELSIS F., HERSANT F. & BELU A.
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Content
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Bayesian Re-analysis of the Gliese 581 Exoplanet System
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March 8, 2011 ZOGHBI J.-P.
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Feb. 22, 2011 HELLER R., LECONTE J. & BARNES R.
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Astrophysical Parameters and Habitable Zone of the Exoplanet Hosting Star GJ 581
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Astron. & Astrophys.
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April 28, 2007 SCHILLING G.
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