NGC 3949
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NGC 3949 | |
A Hubble Space Telescope (HST) image of NGC 3949 Credit: HST/NASA/ESA |
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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.
[edit] Supernova
The type II supernova SN 2000db is the only supernova that has been observed within NGC 3949.[1]
[edit] 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]
[edit] References
http://hubblesite.org/newscenter/archive/releases/2004/25/fastfacts/
- ^ a b c d e f g h i NASA/IPAC Extragalactic Database. Results for NGC 3949. Retrieved on 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.
- ^ G. Giuricin, C. Marinoni, L. Ceriani, A. Pisani (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". Astrophysical Journal 543: 178–194. doi: .