\begin{table}%t2
%\centering
\par
\caption{\label{tab2}Parameters for the model used to explain the SED of PKS 1510-089
  during the \mbox{$\gamma$-ray} flare of 18, 19~March 2008.}
 \small \begin{tabular}{c c r} 	
\hline  \hline
\noalign{\smallskip}
 Parameter & Value & Units \\ 
  \hline
\noalign{\smallskip}
  $p_{\rm 1}$             & 2.2   & \\
  $p_{\rm 2}$             & 4.6   & \\
  $\gamma_{\rm min}$           & 30    & \\
  $\gamma_{\rm b}$             & 290   & \\
  $\gamma_{\rm max}$           & 5200  & \\
  $K$                          & 75    & cm$^{-3}$ \\
  $R$                          & 10    & 10$^{15}$~cm\\
  $B$                          & 3.5    & G\\
  $\delta$                     & 20.26 & \\
  $L_{\rm d}$                  & 5     & 10$^{45}$~erg~s$^{-1}$\\
  $\theta$                 & 2.86   & degrees\\
  $\Gamma$                     & 18   & \\
\hline
\end{tabular}%\vspace*{2mm}
\end{table}