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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 33 Pegasi ： ウィキペディア英語版 33 Pegasi 33 Pegasi is the Flamsteed designation for a visual binary star in the northern constellation of Pegasus. It has an apparent visual magnitude of 6.2,〔 placing it near the limit of naked eye visibility. Measurements made with the Hipparcos spacecraft show an annual parallax shift of 0.02967″,〔 which is equivalent to a distance of roughly from the Sun. The primary component of this system is a main sequence star with a visual magnitude of 6.4〔 and a stellar classification of F7 V.〔 It is nearly as old as the Sun with an estimated age of 4.1 billion years, but has a lower abundance of elements other than hydrogen and helium. The stellar atmosphere has an effective temperature of 6,169 K,〔 giving it the yellow-white glow of an F-type star.〔 A faint, magnitude 9.3 companion star is located at an angular separation of 0.420 arc seconds along a position angle of 0.0°.〔 The orbital period of this pair is large enough that it has not be computed based on current observations.〔 ==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「33 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.