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Fig. 9

image

Projected distance between the PRG and the closest neighbor galaxy. Top panel: WFPC2 image of the binary interacting system, NGC 3808. The most massive cluster is pointed out with a blue circle, which is located on the forming polar ring. Bottom panel: SDSS color image for NGC 4650A and NGC 4650.

This figure is made of several images, please see below:

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