\begin{table}%t6
\caption{Results of the fit of $F_{{\rm Peak}}$ vs. $F_{{\rm Tot}}$ for the CWSR~sources
indicating that an extended component is visible at~20~cm.}
\label{lsq feat.}
%%\centering
\par
\begin{tabular}{lrr}
\hline  \hline
Frequency band & $\alpha$ & $\beta$ \\
\hline 
$L$ (20 cm) & 0.94 & 0.02 \\
$L$ (20 cm) $^*$ & 0.96 & 0.01 \\
$C$ (6 cm) & 0.99 & $-$0.03 \\
$X$ (3.6 cm) & 1.00 & $-$0.06 \\
\hline
\multicolumn{3}{l}{$^*$ Fit without MS0922.9+7459.} \\
\end{tabular}
\end{table}