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] |
Apparent magnitude (V) | 11.5[1] |
Characteristics | |
Type | SA(s)bc[1] |
Apparent size (V) | 2′.9 × 1′.7[1] |
Other designations | |
UGC 6869,[1] PGC 37290[1] | |
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 2 3 4 5 6 7 8 9 "NASA/IPAC Extragalactic Database". Results for NGC 3949. 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.
This article is issued from Wikipedia - version of the 7/26/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.