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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Delta Librae ： ウィキペディア英語版 Delta Librae Delta Librae (δ Librae, δ Lib) is a variable star in the constellation Libra. It has the traditional name Zuben Elakribi, a variant of the traditional name of Gamma Librae.〔Bečvář, A., ''Atlas Coeli II Atlas Coeli II- Catalog'', Ceskoslovenské Akademie Ved, Praha,1959.〕 With μ Vir it forms one of the Akkadian lunar mansions ''Mulu-izi''〔pp. 277, 473. 〕 (meaning "Man-of-fire"〔Brown Jr., R., (1891). "Remarks on the Euphratean Astronomical Names of the Signs of the Zodiac", ''Proceedings of the Society of Biblical Archaeology'', vo. 13, p. 194.〕). δ Lib is approximately 300 light years from the Earth and belongs to the spectral class B9.5V. It is an eclipsing binary star, with a period of 2.3272 days. Its apparent magnitude varies from 4.43m to 5.81m. Along with λ Tau, it was one of the first stars on which rotational line broadening〔Schlesinger, F., (1909). ("Rotation of Stars about their Axes" ), ''Monthly Notices of the Royal Astronomical Society'', Vol. 71, p.719.〕 was observed, by Frank Schlesinger in 1911. ==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「Delta Librae」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.