Fig. 1.
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SED of the Crab Nebula. The synchrotron data points up to hard X-rays have been taken from Dirson & Horns (2023), and references therein. The HE and VHE data are from Buehler et al. (2012), Aharonian et al. (2004, 2006), Aleksić et al. (2015), Acciari et al. (2020), Meagher (2015), Amenomori et al. (2019), Abeysekara et al. (2019), and Cao et al. (2021), in the order as listed in the legend. A distance of 2 kpc has been assumed to convert to luminosity (see right-hand side axis).
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