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Epsilon Normae : ウィキペディア英語版 | Epsilon Normae
Epsilon Normae (ε Nor) is a star in the constellation Norma. Its apparent magnitude is 4.52.〔 It is a spectroscopic binary, with two B-type main sequence stars of spectral type B3V, of almost equal mass orbiting each other every 3.26 days. There is a third star separated by 22 arcseconds, which has a magnitude of 7.5 and is likely a smaller B-type main sequence star of spectral type B9V. ==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「Epsilon Normae」の詳細全文を読む
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