\begin{table}%t1
%\centering
\par
\small\caption{Observations details.}\label{tab1}
\begin{tabular}{l l r r r } 
\hline\hline Star & Phase & Tel. & Int. & Synth.\\
     & Cal.  &      & time &  beam \\
     &       &      & (h)  &   (arcsec)\\
\hline %
HD~42087  & 0559+238  & VLA  & 0.81 & $2.2\times 1.8$ \\ %
HD~43384  & 0559+238  & VLA  & 0.83 & $2.2\times 1.8$ \\%
HD~47432  & 0641-033  & VLA  & 0.75 & $2.5\times 2.3$ \\%
HD~76341  & 0828-375  & VLA  & 0.50 & $11.3\times 2.3$ \\%
HD~112244 &j1326-5256 & ATCA & 3.18 &  $0.8\times 0.4$ \\  
HD~148379 & 1600-44   & ATCA & 3.58 & $1.0\times 0.8$ \\  
HD~154090 & 1626-298  & VLA  & 0.75 & $7.3\times 2.6$  \\%
HD~156154 & 1744-312  & VLA  &  0.5 & $7.8\times 2.6$  \\ %
HD~157246 & 1657-56   & ATCA &  6.9 & $0.6\times 0.5$\\  
HD~165024 &1740-517   & ATCA & 6.36 & $0.7\times 0.5$\\  
HD~204172 &2052+365   & VLA  & 1.25 & $3.0\times 2.7$  \\ %
BD-11 4586& 1832-105 & VLA  & 0.5 & $3.8\times 2.7$\\ 
\hline
\end{tabular}
\end{table}