Messier Galaxies in the Arp Catalog

Halton C. Arp's Atlas of Peculiar Galaxies includes some of the Messier objects (ordered by Right Ascension); here, the Arp numbers are linked to the original images in Arp's catalog:

  M32 = Arp 168
  M77 = Arp 37
  M82 = Arp 337
  M65/M66/NGC 3628 = Arp 317  (the Leo Triplett)
  M66 = Arp 16
  M49 = Arp 134
  M87 = Arp 152
  M90 = Arp 76
  M60/NGC 4647 = Arp 116
  M51/NGC 5195 = Arp 85
 M101 = Arp 26

Ordered by Arp number, with peculiarity given:

  Arp  16 = M66                Spiral w detached segments
  Arp  26 = M101               Spiral w one heavy arm
  Arp  37 = M77                Spiral w LSB Companion on arm
  Arp  76 = M90/IC 3583        Spiral w small HSB companion
  Arp  85 = M51/NGC 5195       Spiral w large HSB companion
  Arp 116 = M60/NGC 4647       Elliptical close to and perturbing a spiral
  Arp 134 = M49                Elliptical w nearby fragments
  Arp 152 = M87                Galaxy w Jet
  Arp 168 = M32                Galaxy w Diffuse Countertail
  Arp 317 = M65/M66/NGC 3628   Galaxy Group
  Arp 337 = M82                Misc pec

Some other important Arp galaxies include NGC 4631 = Arp 281 and NGC 5128 = Arp 153.

See also the Online Arp Catalog page of Arp Galaxies in Other Catalogs

Online "Arp's Catalog Of Peculiar Galaxies" by Dennis Webb; List of all Arp objects

Arp Galaxies by Arp Number from The Arp Peculiar Galaxy Club (with many CCD images)

The Original Arp "Atlas of Peculiar Galaxies" online

The Original Arp "Atlas of Peculiar Galaxies" (ApJS vol 14, p. 1-20)

Table of Arp Galaxies with images obtained at the Grasslands Observatory by James McGaha and Tim Hunter.

Hartmut Frommert
Christine Kronberg
[contact]

Last Modification: January 16, 2000