Fig. 3
TS map (3−500 GeV), having 20 × 20 pixels and built with resolution 0.05°/pixel, integrating over 7 yr of Fermi-LAT observations. The green circle centered on + highlights the position of 2WHSP J021631.9+231449; contour dashed lines correspond, respectively, to the 68%, 95%, and 99% confinement regions (from inner to outer lines) for the γ-ray signature position.
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