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HD 140913
HD 140913 is a star very much like our own Sun located in the constellation Corona Borealis (The Northern Crown) 156 light years away. The space velocity components of this star are = .〔 ==Companion== HD 140913 has a companion called HD 140913 B discovered in 1996. A brown dwarf which is 46 times as massive as Jupiter. It orbits about every 148 days. Its orbital eccentricity is 0.61 and its semimajor axis is 0.54 AU.
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 140913」の詳細全文を読む
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