\begin{table}%t1
  \caption{Parameter values.}
  \label{tab}
  %\begin{center}
\par
  \begin{tabular}{ll}
  \hline\hline
   Parameter [units] & value \\
 \hline
%Orbital semi-major axis [R$_{\odot}$] & 43 \\
Disk inner part temperature [keV] & 0.5 \\
Disk luminosity [erg~s$^{-1}$] & $1.5\times10^{36}$ \\
Corona photon index & 1.6 \\
Corona emission peak [keV] & 300 \\
Disk inner radius [$R_{\rm Sch}$] & 50 \\
Jet initial point (compact object RF) [$R_{\rm Sch}$] & 50 \\
Jet semi-opening angle tangent & 0.1 \\
Max. ratio hot to cold lepton number & 0.1 \\
Compact object mass [$M_{\odot}$] & 5 \\
%Stellar mass [M$_{\odot}$] & 2 \\
%Stellar bolometric luminosity [erg~s$^{-1}$] & 10$^{36}$ \\
%Stellar surface temperature [K] & $10^4$\\
Jet Lorentz factor & 1.25 \\
Jet viewing angle [$^{\circ}$] & 45 \\  
  \end{tabular}  
  \begin{tabular}{llll}
  \hline
$q_{\rm jet/accr}$ & Accel. eff. & Diss. eff. & Prediction \\
 \hline
0.2 & 0.1 & 0.01 & up to TeV \\
0.2 & 10$^{-5}$ & 0.003 & up to GeV \\
0.04 & 0.1 & 0.1 & "bright'' at 100~GeV\\
0.01 & 10$^{-5}$ & 0.1 & up to 100~MeV\\
  \hline
  \end{tabular}
  %\end{center}
\par
\end{table}