Fig. B.2

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The resulting SED from the on-off approach with flux points is compared to the spectral model derived from a reflected regions analysis without any special treatment to model the noise influence. The spectra from the datasets (DS) 1 and 2 taken around the 2014 periastron passage from H.E.S.S. Collaboration (2020) are also shown for comparison. The spectral models for the 2020 dataset (DS-C) only include statistical errors, whereas the 2014 spectra also include systematic errors as discussed in the paper.
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