Fig. A.1
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Radial surface brightness profiles at 70 μm (left) and 160 μm (right) for the four semi-extended sources in the sample (from top to bottom : RU Her, SV Peg, TDra and VEri). Solid circles correspond to Herschel/PACS radial surface brightness profiles, dashed lines to DUSTY synthetic images convolved with their respective PSFs and dotted lines to the PSFs to represent point-source radial surface brightness.
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