NGC 3949

NGC 3949
A Hubble Space Telescope (HST) image of NGC 3949
Observation 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

1. ^ ^{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. 
2. ^ R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 0-521-35299-1. 
3. ^ 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. 
4. ^ 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.