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Fig. 1

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Excess count map (smoothed with a Gaussian of 0.07° radius) of HESS J1507-622. The green contours show 3σ, 4σ, 5σ, 6σ contour levels for an integration radius of 0.12°. The white circles represent the position of three faint RASS (Voges et al. 2000) sources: X1 indicates 1RXS J150841.2-621006, X2 indicates 1RXS J150639.1-615704 and X3 indicates 1RXS J150354.7-620408. The 68% containment radius for the point spread function (PSF) of the H.E.S.S. instrument for these observations is shown in magenta.

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