\begin{table}%t1
%\centering
\par
\caption {\label{positions}Source positions (from \citealt{dougados1993}).}
\begin{tabular}{lrr}
\hline
\hline
\noalign{\smallskip}
Source & RA & Dec. \\
       & (J2000.0) & (J2000.0) \\
\hline 
BN~object & 05h35m14.12s & --05d22m22.9s \\
Source n  & 05h35m14.35s & --05d22m32.9s \\
IRC3      & 05h35m13.90s & --05d22m30.0s \\
\hline
\end{tabular}
\end{table}