Overview of the science, calibrator, and model PSF profiles. In all views, the open red squares refer to the calibrator sources and the open black circles correspond to the science target. For each filter, PAH-1 and PAH-2, the left plot corresponds to the comparison between the science and the first calibrator PSF profiles, whereas the right plot compares the science and the second calibrator PSF profiles. The size of the error bar for each point is similar to the size of the corresponding symbol. The dashed blue line is the radial profile obtained after convolution of the corresponding PSF calibrator with the radiative transfer model derived in Sect. 5. The vertical continuous lines show the difference in FWHM between the calibrator and the science for the values reported in Table 2.
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