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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 85 Pegasi ： ウィキペディア英語版 85 Pegasi 85 Pegasi is a multiple star system 39.5 light years away〔 in the constellation of Pegasus. The primary component is sixth magnitude 85 Pegasi A, which is a yellow dwarf like our Sun. The secondary component, 85 Pegasi B, is a ninth magnitude orange dwarf that takes 26.28 years to orbit at 10.3 AU around the primary in an elliptical orbit. The orbital distance ranges from 6.4 AU at periastron to 14.2 AU at apastron. 85 Peg BA may have a close, faint red dwarf companion 85 Peg BB within 2 AU from BA. The mass would be 11% solar mass (). All components in the star system including Star A are smaller, cooler and less massive, luminous, and metallic than our Sun and 51 Pegasi. An infrared excess has been detected around the primary, most likely indicating the presence of a circumstellar disk at a radius of more than 97 AU. The temperature of this dust is below 25 K.〔 ==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「85 Pegasi」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.