Planet GJ 581 b

Name GJ 581 b
Planet Status Confirmed
Discovered in 2005
Mass 0.05 MJ
Mass*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 2454753.95 (± 0.39) JD
Radius
Inclination
Update 2016-02-23
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

GJ 581
Name GJ 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

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2015 ROBERTSON P., MAHADEVAN S., ENDL M. & ROY A.
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UV Surface Environment of Earth-like Planets Orbiting FGKM Stars through Geological Evolution
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2014 KANE S.
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2014 JOINER, D., SUL, C. DRAGOMIR, D., KANE, S. & M. KRESS
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2013 CALLEGARI N. & RODRIGUEZ J.
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X-ray detection of GJ 581 and simultaneous UV observations
2013 VITALE V. & FRANCE K.
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Thermal phase curves of non-transiting terrestrial exoplanets II. Characterizing airless planets
2012 MAURIN A., SELSIS F., HERSANT F. & BELU A.
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GJ 581 update: Additional Evidence for a Super-Earth in the Habitable Zone
2012 VOGT S., BUTLER P. & HAGHIGHIPOUR N.
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The impact of red noise in radial velocity planet searches: Only three planets orbiting GJ581?
2012 BALUEV R.
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2012 RAMPADARATH H., MORGAN J., TINGAY S. & TROTT C.
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Impact Exchange Between Planets if Gliese 581
2012 BROCK L. & MELOSH H.
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2012 TADEAU dos SANTOS M., SILVA G., FERRAZ-MELLO S. & MICHTCHENKO T.
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2012 PLAVALOVA E.
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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.
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Content
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Astron. & Astrophys.
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2007 MARCHI S.
ApJ., 666, 475
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2007 SCHILLING G.
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2007 UDRY S., BONFILS X., DELFOSSE X., FORVEILLE T., MAYOR M., PERRIER C., BOUCHY F., LOVIS C., PEPE F., QUELOZ D. & BERTAUX J.-L.
Astron. & Astrophys., 469, 43
paper

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2007 SCALO J., KALTENEGGER L., SEGURA A., FRIDLUND M., RIBAS I., KULIKOV N., GRENFELL J., RAUER H., ODERT P., LEITZINGER M., SELSIS F., KHODACHENKO M., EIROA C., KASTING J. & LAMMER H.
Astrobiology, 7, 85
paper

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2007 MATSUO T., SHIBAI H., OOTSUBO T. & TAMURA M.
ApJ., 662, 1282
paper

UV habitable zones around M stars
2007 BUCCINO A., LEMARCHAND G. & MAUAS P.
Icarus, 192, 582
paper

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2007 MANDELL A., RAYMOND S. & SIGURDSSON S.
ApJ., 660, 823
paper

Dynamical evolution of the Gliese 581 planetary system
2007 BEUST H., BONFILS X., DELFOSSE X. & UDRY S.
Astron. & Astrophys., 479, 277
paper

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2007 PIERREHUMBERT R.
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The habitability of super-Earths in Gliese 581
2007 Von BLOH W., BOUNAMA C., CUNTZ M. & FRANCK S.
Astron. & Astrophys., 476, 1365
paper

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

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2006 TANNER A.
BAAS, 38, no 3, #10.03
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Limits to Transits of the Neptune-Mass Planet Orbiting GJ 581
2006 LOPEZ-MORALES M., MORRELL N., BUTLER P. & SEAGER S.
PASP, 118, 1506
paper

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2006 ECUVILLON A., ISRAELIAN G., PONT F., SANTOS N. & MAYOR M.
Astron. & Astrophys., 461, 171
paper

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2006 BEAN J., BENEDICT F., ENDL M. & SNELDEN C.
BAAS, 37 no 4, [68.18]
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Catalog of Nearby Exoplanets
2006 BUTLER P., WRIGHT J., MARCY G., FISCHER D., VOGT S., TINNEY Ch., JONES H., CARTER B., JOHNSON J., McCARTHY Ch. & PENNY A.
ApJ., 646, 505
paper   arxiv   ADS  

Metallicities of M Dwarf Planet Hosts from Spectral Synthesis
2006 BEAN J., BENEDICT F. & ENDL M.
ApJ. Letters, 653, L65
paper

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2006 BOSS A.
ApJ., 643, 501
paper

Habitability of known exoplanetary systems based on measured stellar properties
2006 JONES B., SLEEP P. & UNDERWOOD D.
ApJ., 649, 1010
paper

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2005 BONFILS X., FORVEILLE Th., DELFOSSE X., UDRY S., MAYOR M., PERRIER Ch., BOUCHY F., PEPE F., QUELOZ D. & BERTAUX J.-L.
Astron. & Astrophys., 443, L15
paper

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2004 NORDSTROM B., MAYOR M., ANDERSEN J., HOLMBERG J., PONT F., JORGENSEN B., OLSEN E., UDRY S. & MOWLAVI N.
Astron. & Astrophys., 419, 989
paper