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Fig. 3

image

Left: differences between the aperture photometry performed on images obtained with the ACS at the HST and on the original FORS2 images. Right: the difference between the aperture photometry performed on the deconvolved FORS2 and the images of the ACS at the HST. Ninety percent of the ACS PSF energy is contained inside a 2.2 kpc radius, shown as the dotted red line. The measurements made on the HST and the VLT-deconvolved images down to 3.5 kpc from the centre of the galaxy (black dotted line) agree excellently well.

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