\begin{table}%T1
      \caption{VLA observations.}
         \label{tbl-1}
              $$
         \begin{array}{p{0.4\linewidth}p{0.4\linewidth}p{0.2\linewidth}}
            \hline\hline
            \noalign{\smallskip}
            Date &  Configuration & $t_{\rm int}$/h \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
            2001 Oct.  2  & CD   &  1.4\\
            2001 Oct.  9  & CD   &  1.7\\
            2001 Oct. 11  & D    &  1.7\\
            2001 Oct. 19  & D    &  2.8\\
            2002 Nov. 12  & C    &  1.7\\
            2002 Dec. 20  & C    &  1.5\\
            \noalign{\smallskip}
            \hline
         \end{array}
     $$
\end{table}