Gliese 581 d: Difference between revisions
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== References == | == References == | ||
[http://obswww.unige.ch/~udry/udry_preprint.pdf Udry et al. (2007). "The HARPS search for southern extra-solar planets, XI. An habitable super-Earth (5 M⊕) in a 3-planet system". Astronomy and Astrophysics preprint] | [http://obswww.unige.ch/~udry/udry_preprint.pdf Udry et al. (2007). "The HARPS search for southern extra-solar planets, XI. An habitable super-Earth (5 M⊕) in a 3-planet system". Astronomy and Astrophysics preprint] | ||
== External links == | |||
*[http://vo.obspm.fr/exoplanetes/encyclo/star.php?st=Gl+581 '''Extrasolar Planets Encyclopaedia''': Gl 581] | |||
*[http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=gl+581&NbIdent=1&Radius=10&Radius.unit=arcmin&CooFrame=FK5&CooEpoch=2000&CooEqui=2000&output.max=all&o.catall=on&output.mesdisp=N&Bibyear1=1983&Bibyear2=2005&Frame1=FK5&Frame2=FK4&Frame3=G&Equi1=200 '''SIMBAD''': V* HO Lib -- Variable Star] | |||
== See also == | == See also == | ||
Revision as of 19:40, 27 April 2007
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Gliese 581 d is an extrasolar planet orbiting the red dwarf star Gliese 581.
Discovery
The planet was discovered by the team of Stephane Udry of the Geneva Observatory in Switzerland using the HARPS instrument on the European Southern Observatory 3.6 meter telescope in La Silla, Chile. Udry's team employed the radial velocity technique, in which the size and mass of a planet are determined based on the small perturbations it induces in its parent star’s orbit via gravity.
References
External links
See also
es:Gliese 581 d fr:Gliese 581 d nl:Gliese 581 d fi:Gliese 581 d sv:Gliese 581 d