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HD 222399 is a double star in the northern constellation of Andromeda. The magnitude 6.57〔 primary is an F-type subgiant star with a stellar classification of F2IV.〔 It has a magnitude 10.57 companion at an angular separation of 14.7″ along a position angle of 162° (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 222399」の詳細全文を読む スポンサード リンク
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