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53 Ophiuchi
53 Ophiuchi is a double star in the constellation Ophiuchus. Its apparent magnitude is 5.23. Located around distant, the primary is a blue-white main-sequence star of spectral type A2V, while the secondary, with an apparent magnitude of 7.76, is a subgiant of spectral type A8IV. ==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「53 Ophiuchi」の詳細全文を読む
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