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Messier 100
M100.jpg

Credit: ESO VLT view revealing complex spiral arm structure
Observation data (J2000 epoch)
Constellation Coma Berenices[1]
Right ascension 12h 22m 54.9s[2]
Declination +15° 49′ 21″[2]
Redshift 1571 ± 1 km/s[2]
Distance 52.5 Mly[3]
Type SAB(s)bc[2]
Apparent dimensions (V) 7′.4 × 6′.3[2]
Apparent magnitude (V) 10.1[2]
Other designations
NGC 4321
See also: Galaxy, List of galaxies

Messier 100 (also known as NGC 4321) is a spiral galaxy about 52.5 million light-years away in the constellation Coma Berenices. It was discovered by Pierre Méchain in 1781. It is one of the brightest galaxies in the Virgo cluster. Five supernovae have been identified in M100: SN 1901B, SN 1914A, SN 1959E, SN 1979C and SN 2006X. M100 also has a satellite galaxy named NGC 4323.

Images

HUBBLE SPACE TELESCOPE IMAGES OF M100
OTHER IMAGES

External links

References

  1. ^ R. W. Sinnott, editor (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 0-933-34651-4.  
  2. ^ a b c d e f "NASA/IPAC Extragalactic Database". Results for NGC 4321. http://nedwww.ipac.caltech.edu/. Retrieved 2006-08-31.  
  3. ^ "Pattern Speeds BIMA-SONG Galaxies with Molecule-Dominated ISMs Using the Tremaine-Weinberg Method". (Ferrarese et al. 1996). http://arxiv.org/abs/astro-ph/0406426. Retrieved 2006-08-31.  

Coordinates: Sky map 12h 22m 54.9s, +15° 49′ 21″

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