Fig. 1
Left panel: values of TS corresponding to intervals A–H. Right panel: 95% confidence upper limits on the 0.2–300 GeV γ-ray flux are presented for intervals during the intervals in which the source was not detected. The shaded areas in both plots indicate the temporal extent of the Fermi-LAT dataset used to compile the 2FGL catalogue (Nolan et al. 2012).
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