\begin{table}%t2
\caption{For each {\em static} configuration the critical value of $C_\alpha$ ($C_{\alpha}^C$) and the corresponding global critical
period of the PNS, $P_{\rm c}=\xi/C_{\alpha}^C~\rm ms$, for $\xi\in[\rm 1,3]$ are reported.}
%\centering
\par
\begin{tabular}{ccc}
\hline
\hline
\noalign{\smallskip}
    &  $C_{\alpha}^C$ & $P_{\rm c}~[\rm ms]$ \\[2mm]
\hline\\[-3mm]
A   &  $5$     				& $200$--$600$  \\
B   &  $30$   				& $33$--$99$    \\
Aq  &  $5$     				& $200$--$600$  \\
Bq  &  $30$   				& $33$--$99$    \\
\hline
\end{tabular}
\label{Pc}
\end{table}