Gliese 581 d: Difference between revisions
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==References== | ==References== | ||
* [http://www.space.com/scienceastronomy/070424_hab_exoplanet.html Major Discovery: New Planet Could Harbor Water and Life] | * [http://www.space.com/scienceastronomy/070424_hab_exoplanet.html Major Discovery: New Planet Could Harbor Water and Life] | ||
== See also == | |||
* [[Gliese 581 b]] | |||
* [[Gliese 581 c]] | |||
[[Category:Extrasolar planets]] | [[Category:Extrasolar planets]] | ||
Revision as of 00:10, 25 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 HARP instrument on the European Southern Observatory 3.6 meter telescope in La Sille, 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.