NGC 3949

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NGC 3949
NGC 3949.jpg
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]
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[edit]

The type II supernova SN 2000db is the only supernova that has been observed within NGC 3949.[1]

Environment[edit]

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[edit]

  1. ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 3949. 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. Bibcode:2000ApJ...543..178G. arXiv:astro-ph/0001140Freely accessible. doi:10.1086/317070.