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HD 221776 is a double star in the northern constellation of Andromeda. It has an infrared excess, indicating the star is associated with a cloud of dust particles.〔 There is a magnitude 11.8 companion at angular separation of 19.8″ along a position angle of 329°, as of 2002.〔 ==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「HD 221776」の詳細全文を読む スポンサード リンク
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