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GRB 090429B

GRB 090429B
发现
发现时间2009年4月29日
发现人雨燕卫星
持续时间5秒
位置
赤经14h 02m 40.09s
赤纬+32° 10′ 14.6″[1]
红移9.4
距离131.4亿光年
星座猎犬座
能量
顶峰视星等 (V)19.6
参见伽玛射线暴分类:伽玛射线暴

GRB 090429B是由雨燕卫星于2009年4月29日在猎犬座探测到的伽玛射线暴(gamma-ray burst,GRB),这也是当天探测到的第二个伽玛射线暴。它的持续时间为约5秒钟,可能是由一颗质量大概为太阳30倍的恒星死亡后形成黑洞时发出。

科学家用了两年的时间来检查他们的研究数据,并在2011年5月公布它的红移值Z=9.4,距离约为131.4亿光年,GRB 090429B也因此超越GRB 090423,成为目前已知距离地球最远的伽玛射线暴[2]

参考资料

[编辑]
  1. ^ GRB 090429B: Swift detection of a burst. [2011-09-18]. (原始内容存档于2021-10-20). 
  2. ^ Explosion Helps Researcher Spot Universe's Most Distant Object. Space Daily. 2011-05-27 [2022-04-21]. (原始内容存档于2016-08-21). 
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