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61 Virginis b : ウィキペディア英語版 | 61 Virginis b
61 Virginis b (abbreviated 61 Vir b) is an extrasolar planet, orbiting the 5th magnitude G-type star 61 Virginis, in Virgo. This planet has a minimum mass of 5.1 times that of Earth and is an example of a super-Earth planet. It orbits very close to the star, at a distance of 0.050201 AU with an eccentricity of 0.12. This planet was discovered on 14 December 2009 using the radial velocity method taken at Keck and Anglo-Australian Observatories.
File:61VirginisSystem.svg|61VirginisSystem File:Artist's impression of 61 Virginis d.jpg|Artist's impression of 61 Virginis system
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「61 Virginis b」の詳細全文を読む
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