Planet Gl 581 c

Name Gl 581 c
Discovered in 2007
Mass 0.017 MJ
Semi-major axis 0.073 AU
Orbital period 12.9182 (± 0.0022) day
Eccentricity 0.07 (± 0.06)
ω 235.0 (± 44.0) deg
Tperi 2454763.0 (± 1.6) JD
Radius
Inclination
Update Aug. 30, 2014
Detection Method Radial Velocity
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

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
Detected Disc Imaging
Magnetic Field
RA2000 15:19:26.0
Dec2000 -07:43:20
Alternate Names GJ 581
Planetary system 3 planets

More data


Related publications

Fast Bayesian Inference for Exoplanet Discovery in Radial Velocity Data
2015 BREWER B. & DONOVAN C.
MNRAS, accepted
arxiv  

The HARPS search for southern extra-solar planets XXXII. Only 4 planets in the Gl~581 system
2011 FORVEILLE Th., BONFILS X., DELFOSSE X., ALONSO R., UDRY S. & 12 additional authors
Astron. & Astrophys.
arxiv

Astrophysical Parameters and Habitable Zone of the Exoplanet Hosting Star GJ 581
2011 von BRAUN K., BOYAJIAN T., KANE S., van BELL G., CIARDI D. & 16 additional authors
ApJ. Letters, 529, L26
paper   arxiv

Habitable planets around the star Gl 581?
2007 SELSIS F., KASTING J., LEVRARD B., PAILLET J., RIBAS I. & DELFOSSE X.
Astron. & Astrophys., 476, 1373
paper

A debris disk around the planet-hosting M-star GJ 581 spatially resolved with Herschel
2012 LESTRADE J.-F., MATTHEWS J., SIBTHORPE B., KENNEDY G., WYATT M. & te al.
Astron. & Astrophys., in press
arxiv  paper