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NGC 2770

NGC 2770
NGC 2770,攝於2008年1月12日,影像中可見光度下降中的超新星SN 2007uy拍攝時剛發現的SN 2008D。
版权: 歐洲南方天文台
观测资料(J2000 曆元
星座天猫座
赤经09h 09m 33.7s[1]
赤纬+33° 05′ 05″
紅移1941 ± 7 km/s
距离88,000,000 光年 (27,000,000 秒差距)[2]
视星等 (V)12.0[1]
特征
类型SAC(s)c[1]
其他名称
超新星工厂[3]
參見:星系星系列表

NGC 2770 是位于天猫座的一个SASc型螺旋星系,距离地球88,000,000 光年[1]

特征

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在最近几年,NGC 2770共出现三次超新星:SN 1999eh、SN 2007uy以及SN 2008D,因此也被称为“超新星工厂”[3]。其中SN 2008D是最著名的一颗,它首先被被NASA雨燕卫星(Swift_Gamma-Ray_Burst_Mission)以X-射线侦测发现,而不是通过光学图像发现,这也是天文学家第一次在爆炸之际就观察到了超新星。有人怀疑NGC 2770和其伴星系产生大量巨大质量恒星而因导致超新星爆发[4]

此外,NGC 2770还是大双筒望远镜观测的首个目标[5]

参见

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参考资料

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  1. ^ 1.0 1.1 1.2 1.3 NASA/IPAC Extragalactic Database. Results for NGC 2770. [2008-05-26]. (原始内容存档于2019-10-18). 
  2. ^ Soderberg, Alicia; Berger, Edo; Page, K. L.; Schady, P.; Parrent, J.; Pooley, D.; Wang, X.-Y.; Ofek, E. O.; Cucchiara, A. An extremely luminous X-ray outburst at the birth of a supernova. Nature. May 22, 2008, 453 (7194): 469–474. PMID 18497815. doi:10.1038/nature06997. (原始内容存档于2016-08-18). 
  3. ^ 3.0 3.1 Astronomy Picture of the Day 18 January 2008. [2010-08-19]. (原始内容存档于2010-05-31). 
  4. ^ Gemini Observatory Media Release. [2010-08-19]. (原始内容存档于2008-05-25). 
  5. ^ LBT Press Release - First Binocular Light. [2010-08-19]. (原始内容存档于2011-07-25). 


维基共享资源上的相關多媒體資源:NGC 2770

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NGC 2770
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