\begin{table}%t10 \par \caption {\label{tab:parameters-power}List of parameters used to construct the theoretical SED.} %\centerline {\begin{tabular}{llll} \hline \hline $\log P_{\rm r}$ &$\log P_{\rm B}$ &$\log P_{\rm e}$ &$\log P_{\rm p}$ \\ (1) &(2) &(3) &(4) \\ \hline 46.5 &45.3 &46.6 &48.0 \\ 46.2 &45.0 &46.4 &48.0 \\ \hline \end{tabular}} \par \smallskip Explanation of columns: (1), (2), (3) and (4): jet power in the form of radiation, magnetic field, bulk motion of electrons and protons (assuming one proton per emitting electron). These powers are derived quantities, not input parameters. For all cases the X-ray corona luminosity $L_{\rm X}=0.3 L_{\rm d}$. Its spectral shape is assumed to be $\propto $$\nu^{-1} \exp(-h\nu/150~{\rm keV})$. \end{table}