Fig. 7.
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Zoom in the γ-ray range of the model spectra computed for epochs IR1–IR4. The differential sensitivity curve of CTAO South for an observing time of 30 min is overplotted. The black lines indicate the 10.5 yr integrated Fermi-LAT spectrum for the γ-ray source 4FGL J1745.6-2859, which is associated with the Galactic center (Cafardo et al. 2021).
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