Atlas of Peculiar Galaxies

Atlas of Peculiar Galaxies
Alternative namesArp number
  Related media on Commons
The Antennae Galaxies (Arp 244)
Colliding spiral galaxy pair NGC 3808A and NGC 3808B (Arp 87).
NGC 6621/NGC 6622 (Arp 81), a pair of spiral galaxies 100 million years after their colliding.
IC 883 (Arp 193), remnant of two galaxies' merger.
Arp 147, an interacting pair of ring galaxies.

The Atlas of Peculiar Galaxies is a catalog of peculiar galaxies produced by Halton Arp in 1966. A total of 338 galaxies are presented in the atlas, which was originally published in 1966 by the California Institute of Technology. The primary goal of the catalog was to present photographs of examples of the different kinds of peculiar structures found among galaxies.[1]

  1. ^ Arp, Halton (1966). Atlas of Peculiar Galaxies. Pasadena, California: California Institute of Technology. Retrieved 5 Jan 2010. (online version, including Arp's original tabular data, and PDF link)

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