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7 Persei
7 Persei is a star in the constellation Perseus. Its apparent magnitude is 6.00. Located around distant, it is an orange giant of spectral type G7III, a star that has used up its core hydrogen and is cooling and expanding. While the star bears the Bayer designation ''Chi Persei'', it is not to be confused with the entire cluster NGC 884, commonly referred to as Chi Persei.〔 ==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「7 Persei」の詳細全文を読む
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