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Table 1.

Key parameters of datasets analysed in this paper.

Source name Nobs Tobs Tlive Ethres
h h GeV
Crab nebula 4 1.87 1.75 661
MSH 15–52 20 9.13 8.33 380
RX J1713.7–3946 15 7.01 6.29 201
PKS 2155–304 (flare) 15 7.04 6.58 251
PKS 2155–304 (steady) 6 2.81 2.61 251
Empty fields 45 20.69 19.23 251

Notes. Nobs is the number of observations, Tobs is the exposure time in hours, Tlive is the live time in hours, and Ethres is the minimum safe energy threshold.

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