Astronomy:NGC 3949
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Short description: Spiral galaxy in the constellation Ursa Major
| 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] |
| Distance | 50 million light-years[citation needed] |
| Apparent magnitude (V) | 11.5[1] |
| Characteristics | |
| Type | SA(s)bc[1] |
| Size | 50,000 ly (diameter) |
| 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. 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]
The type II supernova SN 2000db is the only supernova that has been observed within NGC 3949.[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "NASA/IPAC Extragalactic Database". Results for NGC 3949. https://ned.ipac.caltech.edu/uri/NED::ByName/NGC%203949.
- ↑ R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 978-0-521-35299-4.
- ↑ 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. doi:10.1086/317070. Bibcode: 2000ApJ...543..178G.
External links
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