\begin{table}%t3
%\centering
\caption{\label{tab3}Integrated flux densities of G65.2+5.7, before ($S_{\nu}$)
and after ($S_{\nu}\rm cor$) subtraction of point-like sources within the boundary of SNR.}
\begin{tabular}{r c c c l }
\hline\hline
$\nu$ &Resolution & {$S_{\nu}$}  & {$S_{\nu}$cor}  & Ref. \\
(MHz)  &(arcmin)  & {(Jy)}       & {(Jy)}        &   \\
\hline
83     &310 $\times$ 240   &200.0 $\pm$ 50    &149.2 $\pm$ 50     &\citet{kpu94} \\
111    &310 $\times$ 240   &175.0 $\pm$ 40    &134.7 $\pm$ 40     &\citet{kpu94}\\
408    &   37            &91.0 $\pm$ 15    &76.6 $\pm$ 15     &\citet{rbs79}\\
1415   &   9             &42.4 $\pm$ 4.6   &37.0 $\pm$ 4.6    &\citet{rbs79}\\
2639   &   4.4           &          &21.9 $\pm$ 3.1    &this paper\\
4800   &   9.5           &          &16.8 $\pm$ 1.8    &this paper\\
\hline
\end{tabular}
\end{table}