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HR 3724 is a binary star in the constellation Hydra. This star was discovered to be a visual binary star by Robert Grant Aitken in 1906 and was given the double star designation A 1342.〔 Additional measurements of the position angle and angular separation showed a rapid orbital motion.〔 ==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「HR 3724」の詳細全文を読む スポンサード リンク
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