Fig. 6
Radial distribution of γ-ray events (E> 10 GeV) around the centre of the SNR. The red line denotes the ratio between the signal and the background estimated events (dotted line). Dashed line assumes a point source located at the centre of the SNR. A slightly spatially extended (confidence level ~1.5σ) feature is related with SNR. In addition, the two excesses can be seen at 0.5° and 1.2° from SNR probably related to the two Fermi-LAT point sources at those distances (Nolan et al. 2012).
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