- NGC 3949
-
NGC 3949
A Hubble Space Telescope (HST) image of NGC 3949Observation data (J2000 epoch) Constellation Ursa Major Right ascension 11h 53m 41.4s[1] Declination +47° 51′ 31.6″[1] Redshift 800 ± 1 km/s[1] Type SA(s)bc[1] Apparent dimensions (V) 2′.9 × 1′.7[1] Apparent magnitude (V) 11.5[1] Other designations UGC 6869,[1] PGC 37290[1] See also: Galaxy, List of galaxies NGC 3949 is an unbarred spiral galaxy in the constellation Ursa Major. It is believed to be approximately 50 million light-years away from the earth.
Supernova
The type II supernova SN 2000db is the only supernova that has been observed within NGC 3949.[1]
Environment
NGC 3949 is a member of the M109 Group, a group of galaxies located in the constellation Ursa Major that may contain over 50 galaxies. The brightest galaxy in the group is the spiral galaxy M109.[2][3][4]
References
- ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 3949. http://nedwww.ipac.caltech.edu/. Retrieved 2006-11-16.
- ^ R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 0-521-35299-1.
- ^ A. Garcia (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement 100: 47–90. Bibcode 1993A&AS..100...47G.
- ^ G. Giuricin, C. Marinoni, L. Ceriani, A. Pisani (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". Astrophysical Journal 543 (1): 178–194. arXiv:astro-ph/0001140. Bibcode 2000ApJ...543..178G. doi:10.1086/317070.
Categories:- Spiral galaxies
- Unbarred spiral galaxies
- M109 Group
- Ursa Major constellation
- NGC objects
- UGC objects
- PGC objects
Wikimedia Foundation. 2010.