Fig. 2
Left panel: un-binned likelihood test statistic map corresponding to subinterval G of the Fermi-LAT dataset. The white cross marks the nominal radio position of 5C 3.178. Right panel: HE γ-ray spectral energy distribution between 0.2 and 300 GeV corresponding to subinterval G of the Fermi-LAT dataset. The dotted line indicates the best-fitting power-law model, and the grey region indicates the 1σ fit uncertainties. Residuals of the observed data points with respect to the best fitting power law spectral model are also presented.
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