Fig. 12.
Random Lorentz factor of the electrons emitting at the synchrotron and IC peaks vs the radiation+magnetic energy density as measured in the comoving frame. Grey filled circles: sources studied in Celotti & Ghisellini (2008); empty red circles and blue circles: FSRQs and “BL Lacs” from Ghisellini et al. (2014); green diamonds: the sample of z > 2 blazars observed by NuSTAR. Segments connect different states of the same source.
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