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Fig. A.1
Left: 10 × 10 PSFs for the whole HAWK-I detector (5 × 5 PSFs per chip). Right: spatial variation of the PSFs. To each local PSF, we subtracted a single average PSF for the whole detector. A darker color means less flux than the average PSF, and a lighter color means more flux.
This figure is made of several images, please see below:
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