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Alpha Octantis : ウィキペディア英語版 | Alpha Octantis
Alpha Octantis (Alpha Oct, α Octantis, α Oct) is a star in the constellation of Octans. It has an overall apparent visual magnitude of approximately 5.15 and is a spectroscopic binary star which consists of two giant stars, each with spectral type F, orbiting each other with a period of just over 9 days.〔〔 The pair has also been classified as a Beta Lyrae-type eclipsing binary system.〔 ==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「Alpha Octantis」の詳細全文を読む
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