\begin{table}%T3
\caption{Details of the 327--610~MHz spectral index image.}
\label{tab:spix}
\small%\centering
\par
\begin{tabular}{lc}
\hline\hline\noalign{\smallskip} 
Frequency range ($\nu_{1} - \nu_{2}$) &  327$-$610~MHz \\
$u-v$~range & 0.12--25 k$\lambda$\\
{\it HPBW}, PA & 15.0$^{\prime \prime} \times 12.0^{\prime \prime}, 0^{\circ}$\\ 
rms ($\nu_{1}$) & 90 $\mu$Jy b$^{-1}$ \\
rms ($\nu_{2}$) &  40 $\mu$Jy b$^{-1}$ \\
\hline 
\end{tabular}
\end{table}