The Grus Quartet: strongly interacting spiral galaxies

Bärbel Koribalski (ATNF)

Figure 4: The interacting galaxy group consisting of NGC 7582 (right), NGC 7599 (left) and NGC 7590 (middle). The HI distribution (contours) is overlaid on the optical emission (greyscale) taken from the Digitized Sky Survey. Tidal tails are clearly visible to the north and west of NGC 7582.

Baerbel.Koribalski @