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74 Cygni is a star in the constellation Cygnus. Its apparent magnitude is 5.05. Located around distant, it is a blue-white main-sequence star of spectral type A5V, a star that is currently fusing its core hydrogen. ==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「74 Cygni」の詳細全文を読む スポンサード リンク
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