\begin{table}%t2
%\centering
\par
\caption{Summary of the interferometric observations
of Aldebaran in the  $K$ band.}
\label{table_lbi}
\begin{tabular}{ccrrrr}
\hline
\hline
\noalign{\smallskip}  
\multicolumn{1}{c}{UT} &
\multicolumn{1}{c}{N. Scans} &
\multicolumn{2}{c}{Baseline} &
\multicolumn{2}{c}{Visibility}\\
                        &
                       &
\multicolumn{1}{c}{Length}  &
\multicolumn{1}{c}{PA} &
\multicolumn{1}{c}{$V^2$}&
\multicolumn{1}{c}{$\Delta V^2$}\\
                       &
                       &
\multicolumn{1}{c}{(m)}  &
\multicolumn{1}{c}{($\degr$)}  &
                                 &
                                     \\
\noalign{\smallskip}        
\hline
\noalign{\smallskip}
\multicolumn{6}{c}{12-Jan.-2002}\\
\noalign{\smallskip}
 02:14:39  & 426 & 15.898 &   73.9  & 0.2369& 0.0027\\
 02:21:17  & 356 & 15.943 &   73.4  & 0.2418& 0.0033\\
 02:25:55  & 176 & 15.971 &   73.1  & 0.2649& 0.0012\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
\multicolumn{6}{c}{2-Oct.-2003}\\
\noalign{\smallskip}
06:50:24   &494  & 12.876 &   80.5   &  0.4288   & 0.0019\\
06:56:30   & 494 & 13.114 &   80.2   &  0.4130  & 0.0022\\
\noalign{\smallskip}
\hline
\end{tabular}
\end{table}