\begin{table}%t4
%\vspace{8mm}
\caption{Detection statistics.}\label{table:detections}      
%\centerline
{          
\begin{tabular}{l r r r r r r r r}
\hline\hline       
{}					& \# & \multicolumn{7}{c}{Type$^a$} \\
{}					& {} & 0 & 1 & 2 & 3 & 4 & 5 & 9 \\
\hline
Detected OM sources  &  2148 \\
X-ray sources in OM FOV  &  916  \\
OM detections not detected in X-rays	&  2 & 0 & 0 & 1 & 0 & 1 & 0 & 0\\
OM detections also detected in X-rays	&  98   \\
TMC members detected in X-rays and OM	&  51 & 0 & 1 & 33&17 & 0 & 0 & 0\\
TMC candidates detected in X-rays and OM &  12   \\
TMC members detected in X-rays but not in OM &  34 & 0 & 7 & 8 & 8 & 4 & 0 & 7\\
TMC candidates detected in X-rays but not in OM &  21   \\
TMC members detected in X-rays but outside OM FOV$^b$ &  55	& 0 & 1 &16 &32 & 4 & 2 & 0\\
\hline 
\end{tabular}}  
\smallskip                 
$^a$ See \citet{guedel06a} and text for the definition of the object type. $^b$ Statistics for XEST observations with OM data. 
\end{table}