Compilation of pulse profile parameters at different energies, measured by Fermi-LAT (Abdo et al. 2010a, light circles), MAGIC-Mono (Aleksić et al. 2011, squares), MAGIC-Stereo (this work, dark circles) and VERITAS (Aliu et al. 2011, diamonds). The solid points are the phases of the half-maxima (PHM), while the crosses indicate the corresponding phases of the peak. The vertical lines indicate the phase range definitions used for the spectra in Fig. 4.