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NGC 1964

NGC 1964
口径2.2米的MPG/ESO望远镜拍摄的NGC 1964影像。[1]
观测资料(J2000 历元
星座天兔座
赤经05h 33m 21.8s[2]
赤纬-21° 56′ 45″[2]
红移1659 ± 3 km/s[2]
距离65 ±13 Mly (19.9±3.9 Mpc)[2]
视星等 (V)10.8
特征
类型SAB(s)b [2]
角直径 (V)5′.6 × 2′.1[2]
其他名称
ESO 554- G 010, IRAS 05312-2158, PGC 17436[2]
参见:星系星系列表

NGC 1964是位于天兔座棒旋星系,距离地球约6500万光年。该星系盘面直径约10万光年,并且中心的超重黑洞质量约为2.5 × 107 M[3]。NGC 1964有两个位于高表面亮度的盘面内的紧密缠绕的内侧旋臂,另有两个发源自内侧环结构附近,结构较松散的外侧旋臂。而外侧旋臂有少许小范围的H II区存在[4]

NGC 1964是NGC 1964星系群的主要成员星系,该星系群还包含了NGC 1979IC 2130波斯尼亚语IC 2130IC 2137波斯尼亚语IC 2137[5]

参考资料

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  1. ^ Stars and spirals. www.eso.org. [25 September 2017]. (原始内容存档于2017-09-30). 
  2. ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 NASA/IPAC Extragalactic Database. Results for NGC 1964. [2017-05-16]. (原始内容存档于2019-02-17). 
  3. ^ Davis, Benjamin L.; Berrier, Joel C.; Johns, Lucas; Shields, Douglas W.; Hartley, Matthew T.; Kennefick, Daniel; Kennefick, Julia; Seigar, Marc S.; Lacy, Claud H. S. THE BLACK HOLE MASS FUNCTION DERIVED FROM LOCAL SPIRAL GALAXIES. The Astrophysical Journal. 20 June 2014, 789 (2): 124. Bibcode:2014ApJ...789..124D. arXiv:1405.5876可免费查阅. doi:10.1088/0004-637X/789/2/124. 
  4. ^ Sandage, A.; Bedke, J. The Carnegie Atlas of Galaxies. Volume I. Carnegie Institution of Washington. 1994 [2017-10-13]. (原始内容存档于2019-12-07). 
  5. ^ Makarov, Dmitry; Karachentsev, Igor. Galaxy groups and clouds in the local (z∼ 0.01) Universe. Monthly Notices of the Royal Astronomical Society. 21 April 2011, 412 (4): 2498–2520 [2017-10-13]. Bibcode:2011MNRAS.412.2498M. arXiv:1011.6277可免费查阅. doi:10.1111/j.1365-2966.2010.18071.x. (原始内容存档于2016-01-31). 

外部链接

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NGC 1964
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