H.E.S.S. flux points of the mono (CT5) analysis (red) and stereo (CT1-4) analysis (blue) in comparison to results from other instruments. The error bars show the 68% statistical uncertainty. Points less significant than 2σ are shown as 95% confidence level upper limits. The black line displays the result of fitting a log-parabola model to the H.E.S.S. data of this work. References (in the order of the legend): Aharonian et al. (2004, 2006), Aleksić et al. (2015), Meagher (2015), Amenomori et al. (2019), Abeysekara et al. (2019), and Cao et al. (2021).