Fig. A.1
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Integral sensitivity for extended sources, as computed with the Crab-like PL spectrum defined in the text, i.e. with slope α = 2.62, by: (a) ASTRI, (b) CTA-N, (c) CTA-S, and (d) LHAASO. The exposure time adopted is 50 h for IACTs and 1 year for LHAASO. The source considered has a uniform disk-like morphology, whose angular radius is indicated in the legend, valid for all panels.
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