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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 Gamma Doradus ： ウィキペディア英語版 Gamma Doradus Gamma Doradus (Gamma Dor, γ Doradus, γ Dor) is the third brightest star in the constellation of Dorado.〔(Gamma Dor ), Jim Kaler, ''Stars''. Accessed on line November 17, 2008.〕 It has an apparent visual magnitude of approximately 4.25 and is a variable star, the type star of the class of Gamma Doradus variables. These stars, like γ Doradus, are pulsating variables which vary in brightness by less than a tenth of a magnitude owing to nonradial gravity wave oscillations.〔Gamma Doradus Stars: Defining a New Class of Pulsating Variables, Anthony B. Kaye et al., ''Publications of the Astronomical Society of the Pacific'' 111, #761 (July 1999), pp. 840–844, .〕 The magnitude of γ Doradus itself has been observed to have two sinusoidal variations with periods of approximately 17.6 and 18.2 hours. There is also some additional unexplained, apparently random fluctuation.〔γ Doradus: evidence for a new class of pulsating star, L. A. Balona, K. Krisciunas, and A. W. J. Cousins, ''Monthly Notices of the Royal Astronomical Society'' 270, #4 (October 15, 1994), pp. 905–913, .〕 ==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「Gamma Doradus」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.