\begin{table}%t8
%\centering
\par
\caption{Quantities extracted from the HIPPARCOS catalogue for our sample stars
(($B-V$) and $E(B-V)$ are given in Table~\ref{tab4}). The whole table is available on-line.\label{tab8}}
\begin{tabular}{cccccc}
\hline
\hline 
\multicolumn{1}{c}{HIP}&
\multicolumn{1}{c}{$V$}&
\multicolumn{1}{c}{Plx}&
\multicolumn{1}{c}{e$\_$Plx}&
\multicolumn{1}{c}{$d$}&
\multicolumn{1}{c}{VI} \\
\multicolumn{1}{c}{}&
\multicolumn{1}{c}{mag}&
\multicolumn{1}{c}{(mas)}&
\multicolumn{1}{c}{(mas)}&
\multicolumn{1}{c}{(pc)}&
\multicolumn{1}{c}{} \\[1mm]
\hline  
   911  &  11.80  &  6.13   & 5.67  &  163  &  0.64 \\
  3026  &   9.25  &  9.57   & 1.38  &  104  &  0.54 \\
  3446  &  12.10  & 15.15   & 3.24  &   66  &  0.58 \\
  3564  &  10.60  &  2.07   & 2.16  &  483  &  0.67 \\
 8572  &  10.34  &  3.22   & 1.75  &  310  &  0.50 \\
   \ld  & \ld     & \ld     & \ld   & \ld      &  \ld  \\
\hline
\end{tabular} 
\end{table}