NGC 4725

NGC 4725

A mid-infrared image of NGC 4725 taken by the Spitzer Space Telescope (SST).
Credit: Spitzer Infrared Nearby Galaxies Survey/SST/NASA.
Observation data (J2000 epoch)
Constellation Coma Berenices[1]
Right ascension 12h 50m 26.6s[2]
Declination +25° 30′ 03″[2]
Redshift 1206 ± 3 km/s[2]
Distance 40 ± 6 Mly (12.3 ± 1.9 Mpc)[3]
Type SAB(r)ab pec[4]
Apparent dimensions (V) 10′.7 × 7′.6[2]
Apparent magnitude (V) 10.1[2]
Other designations
UGC 7989,[2] PGC 43451[2]
See also: Galaxy, List of galaxies

NGC 4725 is an intermediate barred spiral galaxy 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.

See also

External links

References

  1. ^ R. W. Sinnott, editor (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 0-933-34651-4. 
  2. ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 4725. http://nedwww.ipac.caltech.edu/. Retrieved 2006-11-25. 
  3. ^ Jensen, Joseph B.; Tonry, John L.; Barris, Brian J.; Thompson, Rodger I.; Liu, Michael C.; Rieke, Marcia J.; Ajhar, Edward A.; Blakeslee, John P. (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. 
  4. ^ "NASA/IPAC Extragalactic Database". Results for NGC 4725. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+4725&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES. Retrieved 2010-04-21.