\begin{table}%t4 %\centering \par \caption{\label{tab:data}Overview of the source spectral analysis for each field. ``Faint'' denotes the number of sources with $<$50~source counts, in brackets is the number of sources for which we cannot quote a luminosity. For details on the HMXB candidates see text. The faint limit is the luminosity below which all sources have less than 50~source counts.} \small \begin{tabular}{c c c c c c c c c} \hline\hline Field & \multicolumn{7}{c}{Number of sources best fit by} & Luminosity of faint \\ & detections & faint & power law & blackbody & bremsstrahlung & nsa & HMXB candidates & limit,~erg~s$^{-1}$ \\ \hline \noalign{\smallskip} North~3 & 82 & 19 (3) & 55 & 2 & 5 & 0 & 7 & $8.6 \times10^{35}$ \\ North~2 & 57 & 32 (0) & 18 & 4 & 3 & 0 & 3 & $1.7 \times10^{36}$ \\ North~1 & 80 & 11 (2) & 55 & 8 & 6 & 0 & 3 & $5.0 \times10^{35}$ \\ South~1 & 71 & 16 (5) & 41 & 9 & 4 & 1 & 3 & $7.4 \times10^{35}$ \\ South~2 & 45 & 17 (3) & 23 & 4 & 0 & 1 & 2 & $9.8 \times10^{35}$ \\ \hline \end{tabular} \end{table}