\begin{table}%t1
\caption{\label{tab:sig}HESS excess events and significances for the two regions defined from X-ray observations. }
%\centering
\par
\begin{tabular}{ccc ccc}
\hline\hline \noalign{\smallskip}
Region & ON & OFF & $\alpha$ & \# $\gamma$ & Significance \\ \hline
NE, Std Cuts & 4306 & 25421 & 6.67 & 495 & 7.3     \\
NE, Hard Cuts & 619 & 2575 & 6.44 & 219 & 9.3      \\
SW, Std Cuts & 3798 & 26523 & 7.615 & 315 & 4.9     \\
SW, Hard Cuts & 548 & 2591 & 7.25 & 191 & 8.7      \\
\hline
\end{tabular}
\tablefoot{$\alpha$ is the normalisation factor between OFF and ON exposures.}
\end{table}