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Fig. 1.

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Fermi TS maps within the 5° radius ROIs around the six LHAASO UHE sources. Panels (a)–(d) show TS maps where the nearby 4FGL sources associated with the LHAASO sources are retained. Yellow dashed circles with a radius of 0 . ° $ \overset{\circ }{.} $5 are centered on the labeled LHAASO sources and indicate the regions used to filter the 4FGL sources by position. Panels (e)–(h) display the residual TS maps after excluding all 4FGL sources.

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