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| 	VHS 1256-1257  : ウィキペディア英語版 |   VHS 1256-1257
 
  VHS J125601.92-125723.9 (abbreviated as VHS 1256-1257 or HSV 1 256) is a type L brown dwarf of spectral type M7.5 located approximately 13 parsecs from the sun. It is the central object of a planetary system with one known confirmed planet, VHS 1256-1257 b. ==VHS 1256-1257 b== The brown dwarf's only discovered companion planet was first identified and documented by the 2MASS survey in 2015. It orbits at a distance of 102 ± 9 AU and has an estimated mass of approximately 11 times Jupiter's, which is close to the minimum mass required for the thermonuclear fusion of deuterium.
  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「VHS 1256-1257」の詳細全文を読む
 
 
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