\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}