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81 Ceti
81 Ceti (abbreviated 81 Cet) is a G-type giant star approximately 300 light years away〔 in the constellation of Cetus. Based on its mass of 2.4 solar masses, it was an A-type star when it was a main-sequence star. == Planetary system == In July 2008, the planet 81 Ceti b was announced by Sato, along with 14 Andromedae b and 6 Lyncis b. The planet was found to be a super-Jupiter, with 5.3 times the mass of Jupiter. It takes 953 days for it to complete its orbit around the star.〔
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「81 Ceti」の詳細全文を読む
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