\begin{table}%t5
   \caption{Distances (in~pc) between the centres of YLA and the centres of the 
            Sco-Cen associations at YLA birth. The distance at birth of 
            $\beta$ Pic-Cap to US is not shown because the latter is 
            younger than the former.}
   \label{tab.DistAss}
%\centering
\par
\begin{tabular}{lcccccc}
\hline
\hline
Association & \multicolumn{2}{c}{US} & \multicolumn{2}{c}{UCL} & \multicolumn{2}{c}{LCC} \\
                & M02 & S03 & M02 & S03 & M02 & S03 \\
\hline
TW Hya          &  62 & 104 &  90 &  78 &  90 &  45 \\
$\beta$ Pic-Cap & --- & --- &  80 &  58 & 122 &  65 \\
$\epsilon$ Cha  &  47 &  85 &  75 &  59 &  78 &  23 \\
$\eta$ Cha      &  48 &  69 &  56 &  42 &  60 &  20 \\
HD 141569       &  43 &  70 &  85 &  80 & 120 & 102 \\
\hline
\end{tabular}
\end{table}