\begin{table}%T6
%\centering
\par
\caption{Best fit parameters of an absorbed power-law model for \mbox{X-ray} bright 
unidentified X-ray sources in the Cha~I {\em XMM-Newton} field.}
\label{tab:specparams_uiden}
\begin{tabular}{llrrr} \hline\hline
Designation & \myrule $\chi^2_{\rm red}$ & \multicolumn{1}{c}{$N_{\rm H}$} & \multicolumn{1}{c}{$\Gamma$} & \multicolumn{1}{c}{$f_{\rm x}$} \\    
            & \myrule (d.o.f.)           & [${\rm 10^{22}}~{\rm cm^{-2}}$]                                  &                              & [${\rm erg/cm^2/s}$]            \\
\hline        
XMM-Cha~I-18 & \myrule 0.91 (3)  & 3.4  & 2.76 & $1.6 \times 10^{-13}$  \\
XMM-Cha~I-35 & \myrule 0.89 (25) & 0.91 & 1.47 & $3.4 \times 10^{-13}$  \\
XMM-Cha~I-44 & \myrule 0.80 (6)  & 0.73 & 1.73 & $4.0 \times 10^{-14}$  \\
\hline
\end{tabular}
\end{table}