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Fig. 3.

image

Photon map of the sky region around cluster 12Y-MST J0843+6706. Left panel: black points are background photons, and red points are photons in the cluster after the selection with Λcut = 0.6 Λm. The red cross marks the centroid position, and the two green crosses are the positions of 4FGL sources. Right panel: same field after the analysis with Λcut = 0.5 Λm. The magenta and orange points are the photons of the two resulting clusters.

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