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53 Persei (53 Per) is a star in the constellation Perseus. Its apparent magnitude is 4.81. It was the prototype of a class of variable stars known as slowly pulsating B stars, but it is now not agreed whether it is one or not. ==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「53 Persei」の詳細全文を読む スポンサード リンク
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