\begin{table}%t2
\caption{Best-fit parameters for source~\#127, for both the optical redshift $z$~= 0.032 and its best-fit value $z$~= 0.057.}\label{fit}
%\centerline
{
\begin{tabular}{cccc} 
\hline  \hline
Component 	& Parameter		& $z$ = 0.032 (fix)			& $z$ = 0.057			\\ \hline
$A_{\rm SP}$		& $N_{\rm H1}^{a}$	& $\rm 2.26_{-1.10}^{+1.42}$		& $\rm 2.39_{-1.14}^{+0.81}$		\\
$R_{\rm W}$		& $\Gamma$		& 1.9 (fixed)			& 1.9 (fixed)			\\
		& Flux @ 1 keV$^{b}$	& $\rm 7.53_{-2.78}^{+3.43}$		& $\rm 7.53_{-2.63}^{+3.52}$		\\
$A_{\rm T}$		& $N_{\rm H2}^{a}$	& $\rm 75.82_{-19.10}^{+25.02}$	& $\rm 82.35_{-24.23}^{+18.69}$	\\
$\it PL$		& $\Gamma$		& 1.9 (fixed)			& 1.9 (fixed)			\\
		& Flux @ 1 keV$^{c}$	& $\rm 1.93_{-0.80}^{+1.37}$		& $\rm 1.98_{-0.71}^{+1.51}$		\\
$R_{\rm C}$		& $\Gamma$		& 1.9 (fixed)			& 1.9 (fixed)			\\
		& Flux @ 1 keV$^{c}$	& $\rm 1.93_{-0.80}^{+1.37}$		& $\rm 1.98_{-0.71}^{+1.51}$		\\
$GL$		& $E_{\rm line}$(keV)		& 6.4 (fixed)			& 6.4 (fixed)			\\
		& $I_{\rm line}^{d}$		& $\rm 1.26_{-1.26}^{+1.81}$		& $\rm 2.33_{-1.46}^{+2.42}$		\\
		& EQW (eV)		& $\rm 185_{-185}^{+265}$		& $\rm 311_{-196}^{+322}$		\\ \hline
d.o.f.		&			& 32				& 31				\\
$\chi^{2}_{\nu}$	&			& 1.143				& 1.035				\\ \hline
\end{tabular}}
\medskip
$^{a}$ $10^{22}$ cm$^{-2}$; $^{b}$ $10^{-6}$ ph cm$^{-2}$ s$^{-1}$ keV$^{-1}$; 
$^{c}$ $10^{-4}$~ph~cm$^{-2}$~s$^{-1}$~keV$^{-1}$; $^{d}$~$10^{-6}$~ph~cm$^{-2}$~s$^{-1}$.
\end{table}