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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 72 Herculis ： ウィキペディア英語版 72 Herculis 72 Herculis is a main sequence dwarf star in the constellation Hercules. The Flamsteed designation for this star comes from the publication ''Historia Coelestis Britannica'' by John Flamsteed. It is the 72nd star in Flamsteed's list of stars in Hercules. Based on its spectral classification of G0 V, it is similar in mass and luminosity to the Sun. Parallax measurements show this star to be about 47 light years from the solar system. The photosphere shows an effective temperature of 5,625 °K〔 and a metallicity (Fe/H) equal to .〔 The ''Washington Visual Double Star Catalog'' for 1996 showed two visual companions of this star. The first is a visual magnitude 9.7 star located 289.1 arc seconds away. The second is only separated by 8.7 arc seconds, and is magnitude 12.9. It is unknown whether these visual companions are gravitationally-bound to 72 Her. ==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「72 Herculis」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.