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BG Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 5.34 to 5.58 over 3.3428 days.A yellow-white supergiant that pulsates between spectral types F5Ib and G0p,〔 it is around 4.3 times as massive and 2000 times as luminous as 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「BG Crucis」の詳細全文を読む スポンサード リンク
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