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NGC 2775

NGC 2775
影像来自哈伯太空望远镜
观测资料(J2000 历元
星座巨蟹座
赤经9h 22m 02.6s[1]
赤纬+50° 58′ 35″[1]
红移1354 ± 5 公里/秒[1]
距离5,550万光年 (1,700万秒差距)
视星等 (V)11.03[1]
特征
类型SA(r)ab[1]
角直径 (V)4′.3 × 3′.3[1]
其他名称
UGC 4820, PGC 25861,[1] 科德韦尔48
参见:星系星系列表

NGC 2775,也称为科德韦尔48,是位于巨蟹座的一个螺旋星系。这个星系有个核球和多条旋臂,在其间可以侦测到电离氢区,这意味着最近有恒星在形成。它是在1783年被威廉·赫歇尔发现的。

NGC 2775是在NGC 2775群中最显著的星系,并且追随着我们的本星系群,也是室女座超星系团的一部分。NGC 2775群的其他成员包括NGC 2777和 UGC 4781[2]

参考资料

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 NASA/IPAC Extragalactic Database. Results for NGC 2775. [2010-03-24]. (原始内容存档于2011-05-14). 
  2. ^ A List of Nearby Galaxy Groups. Atlas of the Universe. [2010-11-28]. (原始内容存档于2018-08-01). 

外部链接


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NGC 2775
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