NGC 5195

NGC 5195
A Hubble Space Telescope (HST) image of Messier 51. M51A (the Whirlpool Galaxy) is the spiral galaxy on the left. NGC 5195 is the galaxy in the top right corner.
Observation data (J2000 epoch)
ConstellationCanes Venatici[1]
Right ascension13h 29m 59.6s[2]
Declination+47° 15′ 58″[2]
Redshift465 ± 10 km/s[2]
Distance25 ± 3 Mly (7.7 ± 1.0 Mpc)[3]
Apparent magnitude (V)10.5[2]
Characteristics
TypeAmorphous or SB0 pec[4]
Apparent size (V)5′.8 × 4′.6[2]
Other designations
Messier 51b,[2] UGC 8494,[2] PGC 47413,[2] Arp 85[2]

NGC 5195 (also known as Messier 51b or M51b) is a dwarf galaxy that is interacting with the Whirlpool Galaxy (also known as M51a or NGC 5194). Both galaxies are located approximately 25 million light-years away in the constellation Canes Venatici. Together, the two galaxies are one of the most famous interacting galaxy pairs.

  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 978-0-933346-51-2.
  2. ^ a b c d e f g h i Cite error: The named reference ned was invoked but never defined (see the help page).
  3. ^ J. L. Tonry; A. Dressler; J. P. Blakeslee; E. A. Ajhar; et al. (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal. 546 (2): 681–693. arXiv:astro-ph/0011223. Bibcode:2001ApJ...546..681T. doi:10.1086/318301. S2CID 17628238.
  4. ^ Cite error: The named reference carnegieatlas was invoked but never defined (see the help page).