\begin{table}%t1 %\centering \par \caption {\label{table2}Spectral fits of the X-ray sources with source counts $C_{\rm {0.3{-}8.0~keV}} \geq 50$.} %\centerline { \begin{tabular}{cccccc} \hline\hline \noalign{\smallskip} X-ray Source & Model & Grouping\tablefootmark{a} & $\Gamma$/kT & C-statistic/bins & $f_{\rm 0.3-8.0}(f_{\rm 0.5-2.5})$\tablefootmark{b} \\ \hline s02 & PL & 8 & 3.08~$\pm$~0.3 & 12.11/9 & 1.49(0.74) \\ & TB & 8 & 0.62~$\pm$~0.1 & 10.99/9 & 1.26(0.82) \\ s05 & PL & 30 & 1.55~$\pm$~0.1 & 8.20/9 & 5.67(2.25) \\ & TB & 30 & $\rm 9.96^{+9.2}_{-3.0}$ & 10.33/9 & 5.48(2.23)\\ & BB & 30 & $\rm 0.69^{+0.04}_{-0.03}$ & 59.72/9 & 2.63(0.91) \\ s08 & PL & 5 & 1.70~$\pm$~0.5 & 2.56/6 & 0.74(0.32) \\ & TB & 5 & 0.53 & 20.18/6 & 0.67(0.45) \\ s15 & PL & 5 & 2.57~$\pm$~0.3 & 9.34/11 & 1.18(0.63) \\ & TB & 5 & $\rm 1.31^{+0.5}_{-0.3}$ & 8.23/11 & 0.84(0.57) \\ s19 & PL & 5 & 2.61~$\pm$~0.4 & 1.19/9 & 1.14(0.60) \\ & TB & 5 & $\rm 1.23^{+0.7}_{-0.3}$ & 2.77/9 & 0.80(0.55) \\ s20 & PL & 8 & 1.92~$\pm$~0.4 & 9.52/9 & 1.71(0.83) \\ & TB & 8 & $\rm 1.90^{+2.1}_{-0.7}$ & 8.58/9 & 1.40(0.89) \\ & BB & 8 & $\rm 0.35^{+0.04}_{-0.03}$ & 0.84/7 & 0.83(0.72) \\ s29 & PL & 5 & 1.29~$\pm$~0.4 & 4.94/8 & 1.12(0.36) \\ \hline \end{tabular}} \tablefoot { \tablefoottext{a}{Minimum number of counts used to group the spectral data for fitting in XSPEC.} \tablefoottext{b}{Unabsorbed X-ray flux in units of $10^{-14}~{\rm erg~s^{-1}~cm^{-2}}$; energy bands are 0.3--8.0 (0.5--2.5)~keV.} } \end{table}