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PSR B1259-63 : ウィキペディア英語版 | PSR B1259-63/LS 2883
PSR B1259-63 is a pulsar and member of an eclipsing binary star system with the blue B2e-class star SS 2883. The pair has an eccentric orbit that is inclined to the line of sight from Earth by about 36°, leading to a 40-day long eclipse each time the pulsar passes behind the star.〔 The pulsar has a period of about 48 ms and a luminosity of . It emits very high energy gamma rays that vary on a time scale of several days.〔 The star SS 2883 has about 10 solar masses and is 6 solar radii in size. The rate of rotation is about 280 km/s at the equator, or 70% of the breakup velocity.〔 ==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「PSR B1259-63/LS 2883」の詳細全文を読む
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