This page was last edited on 9 June 2017, at 13:51.
NGC 4725 is an intermediate barred spiral galaxy with a prominent ring structure about 40 million light-years away in the constellation Coma Berenices. NGC 4725 is a Seyfert Galaxy, suggesting an active galactic nucleus containing a supermassive black hole.
- ^ R. W. Sinnott, ed. (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 0-933346-51-4.
- ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 4725. Retrieved 2006-11-25.
- ^ Jensen, Joseph B.; Tonry, John L.; Barris, Brian J.; Thompson, Rodger I.; et al. (February 2003). "Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations". Astrophysical Journal. 583 (2): 712–726. arXiv:astro-ph/0210129 . Bibcode:2003ApJ...583..712J. doi:10.1086/345430.
- ^ "NASA/IPAC Extragalactic Database". Results for NGC 4725. Retrieved 2010-04-21.
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