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Spiral galaxy in the constellation Ursa Major From Wikipedia, the free encyclopedia
NGC 3949 is an unbarred spiral galaxy in the constellation Ursa Major, approximately 50 million light-years away from the Earth. It was discovered by German-British astronomer William Herschel on 5 February 1788.[2]
NGC 3949 | |
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![]() A Hubble Space Telescope (HST) image of NGC 3949 | |
Observation data (J2000 epoch) | |
Constellation | Ursa Major |
Right ascension | 11h 53m 41.7204s[1] |
Declination | +47° 51′ 31.344″[1] |
Redshift | 800 ± 1 km/s[1] |
Distance | 48.6 ± 3.5 Mly (14.89 ± 1.06 Mpc)[1] |
Apparent magnitude (V) | 11.5[1] |
Characteristics | |
Type | SA(s)bc[1] |
Size | ~47,800 ly (14.66 kpc) (estimated) |
Apparent size (V) | 2.9′ × 1.7′[1] |
Other designations | |
UGC 6869,[1] PGC 37290[1] |
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.[3][4][5]
One supernova has been observed in NGC 3949: SN 2000db (type II, mag. 14.3).[1][6]