NGC 4656 and NGC 4657

NGC 4656/7

NGC 4656/7. Credit: Scott Anttila.
Observation data (J2000 epoch)
Constellation Canes Venatici[1]
Right ascension 12h 43m 57.7s[2]
Declination +32° 10 05[2]
Redshift 646 km/s[2]
Apparent magnitude (V) 11.0[2]
Characteristics
Type SB(s)m pec[2]
Apparent size (V) 12.9[2]
Notable features similar to SMC
Other designations
UGC 7907,[2] PGC 42863[2]
Detail of NGC 4656 imaged by the Hubble Space Telescope

NGC 4656/57 is a highly warped barred spiral galaxy located in the constellation Canes Venatici and is sometimes informally called the Hockey Stick Galaxies or the Crowbar Galaxy. The galaxy is a member of the NGC 4631 Group. A Luminous Blue Variable in "super-outburst" was discovered in NGC 4656/57 on March 21, 2005.

See also

References

  1. R. W. Sinnott, ed. (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 0-933346-51-4.
  2. 1 2 3 4 5 6 7 8 "NASA/IPAC Extragalactic Database". Results for NGC 4656. Retrieved 2006-04-30.


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