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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 DENIS J081730.0-615520 ： ウィキペディア英語版 DENIS J081730.0-615520 DENIS J081730.0-615520 (also known as 2MASS 08173001-6155158) is a T brown dwarf approximately away in the constellation Carina. It was discovered by Etienne Artigau and his colleagues in April 2010. The star belongs to the T6 spectral class implying a photosphere temperature of about 950 K. It has a mass of about 15 MJ (Jupiter masses) or about 1.5% the mass of the Sun.〔 DENIS J081730.0-615520 is the second nearest isolated T dwarf to the Sun (after UGPS J0722-05) and the fifth nearest (also after ε Indi Bab and SCR 1845-6357B) if one takes into account T dwarfs in multiple star systems. It is also the brightest T dwarf in the sky (in the J-band); it had been missed before due to its proximity to the galactic plane. == 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「DENIS J081730.0-615520」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.