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 | |
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觀測資料(曆元) | |
星座 | 長蛇座 / 唧筒座 |
參見:星系團,星系團表 | |
參考資料
- . [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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