Detected fractions in the HE (left panels) and VHE (right panels) surveys. Each panel contains four curves corresponding to Pinj = 1033,1034,1035,1036 erg/s (dark to light blue sequence in each panel). The detection fraction increases when going from small Pinj (darker blue) to high Pinj (lighter blue) until the detected fraction saturates at the value given by the observable fraction (Table 2).
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