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V381 Cephei (HR 8164) is a pulsating variable star in the northern constellation of Cepheus. It is a red supergiant of class ''M1Ibpe+'' and probably has a mass of about 9 or 10 solar masses. It also has an apparent magnitude of 5.66 and is about 3,600 light years away. 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「V381 Cephei」の詳細全文を読む スポンサード リンク
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