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HD 223229
HD 223229 is a suspected variable star in the northern constellation of Andromeda. It is a double star consisting of a magnitude 6.11 primary and a magnitude 8.73 companion. The pair have an angular separation of 0.80″ along a position angle of 250°, as of 2009.〔 The primary is a B-type subgiant star with a stellar classification of B3IV.〔 It has an estimated 6.3 times the mass of the Sun, with an effective temperature of 17,900 K.〔 ==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 223229」の詳細全文を読む
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