\begin{table}%t3
%\centering
\par
\caption{\label{tab:contamination}Expected numbers of non-members in the Lupus $T_{\rm eff}$ -- $S$ locus.}
\small \begin{tabular}{lcccc}
\hline \hline
\noalign{\smallskip} Cloud & $T_{\rm eff} < 3500$~K & $T_{\rm eff} <
3500$~K & $T_{\rm eff} < 3000$~K & $T_{\rm eff} < 3000$~K \\
& $(1 < t ({\rm Myr}) < 20)$ & (above 1~Myr isochrone) & $(1 < t ({\rm Myr}) < 20)$ & (above 1~Myr isochrone) \\
\hline 
&&&Foreground stars\\
Lupus~1 & 9 & 0 & 4 & 0 \\
Lupus~3 & 20 & 1 & 9 & 1\\
Lupus~4 & 3 & 0 & 2 & 0 \\
&&&  Background stars\\
Lupus~1 & 0 & 11 & 0 & 0 \\
Lupus~3 & 0 & 110 & 0 & 3 \\
Lupus~4 & 1 & 40 & 0 & 2 \\
%\noalign{\medskip}
\hline
\end{tabular}
\end{table}