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HD 40979
HD 40979 is a yellow-white dwarf star about 108 light-years away〔 in the constellation of Auriga. The star is a member of a multiple system: it has a companion HD 40979B which shares its proper motion and is located at a projected distance of 6400 AU from the primary. HD 40979B itself has a companion (designated HD 40979C) at a projected distance of 129 AU from star B, making the system a triple. As of 2002, there is one extrasolar planet known to be orbiting around HD 40979A.〔 == Planetary system ==
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 40979」の詳細全文を読む
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