NGC 2997星系群

NGC 2997星系群是以NGC 2997為主,距離地球2億4,800萬光年遠的星系群。它是本星系群所屬的本超星系群內的星系群[1]

NGC 2997星系群
觀測數據(曆元
星座長蛇座 / 唧筒座
同移距离24,800萬光年
參見:星系群星系团星系團列表

參考資料

  1. . [2009-05-19]. (原始内容存档于2010-05-10).

G. De Vaucouleurs, 1975. Nearby Groups of Galaxies, ch. 5. the nearer groups within 10 megaparsecs. Published in "Galaxies and the Universe," ed. by A. Sandage, M. Sandage and J. Kristian.

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