Fig. 4.

Comparison of the MC PSF to the real data in the 0°−35° zenith angle range, performed in terms of the King function fit. Top left panel: σ parameter of the King function, which defines the spacial scale. Top right panel: asymmetry ɛ of the fitted profile. Bottom left panel: MC event containment, computed at the radial distance corresponding to the 68% (95%) data containment radius. Bottom right panel: positional angle ø of the non-symmetric PSF extension.
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