\begin{table}%t2
 \caption {\label{tab:bestfit}Best-fit X-ray parameters obtained with an absorbed power law model for the HESS regions defined in
Fig.~\ref{fig:4contrib}. }
  %\centerline
 {
 \begin{tabular}{cc c c }
 \hline\hline
  Region       &   $\textit{N}_{{\rm H}}$   &   Index    &   Integrated flux$^a$   \\
               &           $10^{22}$~cm$^{-2}$                    &            &  ($10^{-2}$~cm$^{-2}$~s$^{-1}$ ) \\
\hline
1 & 0.79 & 2.43 (2.42--2.44) & 0.91 (0.90--0.92)  \\
2 & 0.62 & 2.35 (2.34--2.35) & 1.58 (1.57--1.59)  \\
3 & 0.72 & 2.35 (2.35--2.36) & 1.74 (1.73--1.75)  \\
4 & 0.76 & 2.37 (2.37--2.39) & 0.76 (0.75--0.77)  \\
5 & 0.59 & 2.32 (2.31--2.32) & 1.42 (1.41--1.43)  \\
6 & 0.56 & 2.44 (2.43--2.44) & 1.44 (1.43--1.45)  \\
7 & 0.67 & 2.41 (2.40--2.42) & 0.89 (0.87--0.90)  \\
8 & 0.64 & 2.23 (2.22--2.24) & 0.58 (0.57--0.58)  \\
9 & 0.48 & 2.22 (2.22--2.23) & 0.90 (0.89--0.91)  \\
10 & 0.46 & 2.32 (2.31--2.33) & 1.15 (1.14--1.16)  \\
11 & 0.63 & 2.35 (2.34--2.36) & 0.72 (0.72--0.74)  \\
12 & 0.50 & 2.17 (2.15--2.18) & 0.51 (0.50--0.52)  \\
13 & 0.51 & 2.31 (2.30--2.32) & 0.69 (0.68--0.70)  \\
14 & 0.57 & 2.28 (2.26--2.29) & 0.70 (0.68--0.70)  \\
\hline
 \end{tabular}}
 \smallskip
$^a$ {Corrected for absorption.}\\
The X-ray flux is  integrated in the 1--10~keV band.
 \end{table}