Fig. 1

Inverse grayscale plot of the HST/WFPC2 F606W image with the overlap aperture (green box). UGC 3995B is the foreground spiral on the right, UGC 3995A is the bright background spiral on the left. The nucleus of UGC 3995A was the target of GO-5479 with the Planetary Camera part of the WFPC2. The orange line shows over which the radial profile in Fig. 3 was taken.
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