\begin{table}%t1
%\centering
\par
\caption{\label{tab_srctab}Results for submillimeter sources  mapped with SCUBA.}
%\centerline
 {
 \begin{tabular}{cccccc}
\hline \hline
\multicolumn{1}{c}{Source}& \multicolumn{1}{c}{$\alpha_{2000}$} & 
\multicolumn{1}{c}{$\delta_{2000}$} & \multicolumn{1}{c}{$S_{850}$} & 
\multicolumn{1}{c}{$S_{450}$} &\multicolumn{1}{c}{$\theta$} \\
\multicolumn{1}{c}{}& \multicolumn{1}{c}{} &  \multicolumn{1}{c}{} & \multicolumn{1}{c}{mJy} &  \multicolumn{1}{c}{mJy} & \multicolumn{1}{c}{``$\times$''} \\
\hline\noalign{\smallskip}
MM~1$^a$ & 5:41:24.921 & --2:18:08.7 & 3.2  $\pm$  0.3 & 11.8  $\pm$  1.8  & $6.5 \times 5.5^b$\\
MM~1 & 5:41:24.941 & --2:18:07.9 & 3.2  $\pm$  0.4 & 12.1  $\pm$  2.1 &  6.7 $\times$ 5.8\\
MM~2$^a$ & 5:41:26.331 & --2:18:18.6 & 1.5  $\pm$  0.3 &  7.9  $\pm$  1.3 & 15.3 $\times$ 9.5\\
MM~2 & 5:41:26.335 & --2:18:17.3 & 1.6  $\pm$  0.5 &  9.6  $\pm$  3.6  & 19.8 $\times$ 11.7\\
MM~3 & 5:41:37.120 & --2:17:18.1 & 1.3  $\pm$  0.2 &  4.2  $\pm$  0.9 & $\leq$ 6.6 $\times$ 5.6\\
MM~4 & 5:41:40.520 & --2:17:11.0 & 1.6  $\pm$  0.4 & 11.6  $\pm$  3.4 & 30 $\times$ 16\\
MM~5 & 5:41:29.505 & --2:21:18.3 & 0.8  $\pm$  0.1 & 4.5  $\pm$  0.9 &  7.1 $\times$ 5.1\\
\hline
\end{tabular}}
\medskip
$^a$ Derived from SCUBA jiggle maps; $^b$~size from 450~$\mu$m 3\farcs9 $\times$ 3\arcsec.
\end{table}