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HD 175740
HD 175740, BD+41°3177B and BD+41° 3177C are components of a double star in the constellation Lyra, approximately 270 light years away from Earth. The most luminous star, 5th magnitude HD 175740, is a yellow giant star of the spectral type G8III. It therefore has a surface temperature of 5,000 to 6,000 kelvins, in the same range as that of our Sun, though it is much larger and brighter in comparison.〔 BD+41°3177B is a 13th magnitude star of an unknown spectral type.〔 ==References== 〔 * http://alcyone.de/cgi-bin/search.pl?object=HR7146
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「HD 175740」の詳細全文を読む
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