\begin{table}%T8
\par
\caption{\label{dettab}Numbers of detections with likelihood $L\ge10$ in the 2XMM catalogue.}
\small
%\centering
\par
\begin{tabular}{lc@{\extracolsep{1mm}}cccc}
\hline\hline
  \multicolumn{1}{c}{Camera} &
  \multicolumn{1}{c}{Energy } &
  \multicolumn{1}{c}{Point} &
  \multicolumn{1}{c}{Ext'd } &
  \multicolumn{1}{c}{Unique point } &
  \multicolumn{1}{c}{Unique ext'd } \\
  \multicolumn{1}{c}{} &
  \multicolumn{1}{c}{band (keV)} &
  \multicolumn{1}{c}{source} &
  \multicolumn{1}{c}{source} &
  \multicolumn{1}{c}{source} &
  \multicolumn{1}{c}{source} \\
\hline
  pn & $0.2{-}0.5$ & 38~074 & 4319 & 30~811 & 3843\\
  pn & $0.5{-}1.0$ & 63~248 & 7457 & 50~639 & 6714\\
  pn & $1.0{-}2.0$ & 68~197 & 6217 & 55~035 & 5555\\
  pn & $2.0{-}4.5$ & 37~511 & 3604 & 30~702 & 3167\\
  pn & $4.5{-}12.0$ & 11~144 & 1586 & \phantom{0}8682 & 1337\\
  M1 & $0.2{-}0.5$ & 20~841 & 3392 & 15~887 & 2958\\
  M1 & $0.5{-}1.0$ & 40~965 & 6734 & 30~998 & 5892\\
  M1 & $1.0{-}2.0$ & 52~569 & 6754 & 40~062 & 5882\\
  M1 & $2.0{-}4.5$ & 34~230 & 4452 & 26~710 & 3858\\
  M1 & $4.5{-}12.0$ & \phantom{0}7818 & 1825 & \phantom{0}5776 & 1547\\
  M2 & $0.2{-}0.5$ & 20~626 & 3485 & 15~718 & 3012\\
  M2 & $0.5{-}1.0$ & 42~488 & 7045 & 32~055 & 6149\\
  M2 & $1.0{-}2.0$  & 56~060 & 6997 & 42~624 & 6107\\
  M2 & $2.0{-}4.5$ & 36~760 & 4703 & 28~538 & 4080\\
  M2 & $4.5{-}12.0$ & \phantom{0}8546 & 2008 & \phantom{0}6265 & 1716\\
\hline
\end{tabular}
\end{table}