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V1057 Cygni (V1057 Cyg) is a FU Orionis-type variable star in the constellation of Cygnus.〔 It has a spectral type of F and an apparent visual magnitude of approximately 11.660.〔 It was the second FU Orionis-type variable discovered. ==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「V1057 Cygni」の詳細全文を読む スポンサード リンク
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