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2 Centauri
2 Centauri is a star in the constellation Centaurus. 2 Centauri is a M-type red giant with a mean apparent magnitude of +4.19. It is approximately 183 light years from Earth. It is classified as a semiregular variable star and its brightness varies from magnitude +4.16 to +4.26 with a period of 12. days. ==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「2 Centauri」の詳細全文を読む
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