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M84

梅西耶 84
观测资料(J2000 历元
星座室女座
赤经12h 25m 03.7s[1]
赤纬+12° 53′ 13″[1]
红移1060 ± 6 km/s[1]
距离60 ± 3 Mly (18.4 ± 0.9 Mpc)[2]
视星等 (V)10.1[1]
特征
类型E1[1]
角直径 (V)6′.5 × 5′.6[1]
其他-
其他名称
NGC 4374,[1] UGC 7494,[1] PGC 40455,[1]阿普763[1]
参见:星系星系列表

M84(也称为NGC 4374)是一个位于室女座的透镜状星系,深入于室女座星系团的核心内部,距离地球大约有5300万光年远 [3],是室女座星系团中最明亮的星系之一。

无线电观测和哈伯太空望远镜的影像显示M84有两道物质的喷流从星系的核心向外发射,加上接近核心的星盘有高速旋转的气体和恒星,显示有着质量高达18 ×108 M的超巨质量黑洞[4]存在于星系的核心。

HST观测的M84核心。

历史

查尔斯·梅西耶有系统的在夜空中搜寻"云状的天体",于1781年3月18日发现这个天体[5],是编入梅西耶目录的第84个天体。

超新星

在M84曾经观测到两颗超新星:SN 1957[6] 和SN 1991bg[7]。 可能还有第三颗:SN 1980I是它的一部分,或者是邻近的星系梅西耶 86或NGC 4387[8]

外部链接

参考资料

  1. ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 NASA/IPAC Extragalactic Database. Results for NGC 4374. [2006-11-14]. (原始内容存档于2018-12-25). 
  2. ^ J. L. Tonry, A. Dressler, J. P. Blakeslee, E. A. Ajhar, A. B. Fletcher, G. A. Luppino, M. R. Metzger, C. B. Moore. The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances. Astrophysical Journal. 2001, 546 (2): 681–693 [2007-08-15]. doi:10.1086/318301. (原始内容存档于2008-02-14). 
  3. ^ Finoguenov, A.; Jones, C. Chandra Observation of Low-Mass X-Ray Binaries in the Elliptical Galaxy M84. The Astrophysical Journal. 2002, 574 (2): 754–761. doi:10.1086/340997. 
  4. ^ Ly, C.; Walker, R. C.; Wrobel, J. M. An Attempt to Probe the Radio Jet Collimation Regions in NGC 4278, NGC 4374 (M84), and NGC 6166. The Astronomical Journal. 2004, 127 (1): 119–124 [2009-07-05]. doi:10.1086/379855. (原始内容存档于2019-12-13). 
  5. ^ K. G. Jones. Messier's Nebulae and Star Clusters 2nd. Cambridge: Cambridge University Press. 1991. ISBN 0-521-37079-5. 
  6. ^ Götz, W. Supernova in NGC 4374 (= M 84). Astronomische Nachrichten. 1958, 284: 141. doi:10.1002/asna.19572840308. 
  7. ^ Kosai, H.; Kushida, R.; Kato, T.; Filippenko, A.; Newberg, H. Supernova 1991bg in NGC 4374. IAU Circ. 1958, 5400: 1. 
  8. ^ Smith, H. A. The spectrum of the intergalactic supernova 1980I. Astronomical Journal. July 1981, 86: 998–1002. doi:10.1086/112975. 


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M84
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