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Omicron2 Centauri : ウィキペディア英語版 | Omicron2 Centauri
Omicron2 Centauri (ο2 Cen, ο2 Centauri) is a star in the constellation Centaurus. ο2 Centauri is a white A-type supergiant with a mean apparent magnitude of +5.12. It is approximately 5000 light years from Earth. It is classified as an Alpha Cygni type variable star and its brightness varies from magnitude +5.12 to +5.22 with a period of 46.3 days. In 1996, Kaufer and colleagues calculated Omicron2 Centauri to be around 136,000 times as luminous, 18 times as massive and have 131 times the diameter of the Sun. == 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「Omicron2 Centauri」の詳細全文を読む
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