\begin{table}%t1
\caption{\label{tab-flux}Integrated flux density of \SNR.}
%\centering
\par
\begin{tabular}{cccccccc}
\hline \hline \noalign{\smallskip}
Frequency (MHz)      & 843         & 1400  &  4800  \\
Wavelength (cm)      & 36         & 20  &  6  \\
\hline
$S_{\rm I}$ (mJy) &        125 $\pm$ 10     &    122 $\pm$ 5 &          69 $\pm$ 5          \\
 \hline 
 Reference           & Mathewson       & This   & This  \\
                     & et~al. (1984) & work   & work  \\
\hline
\end{tabular}
\end{table}