\begin{table}%t2
\caption{\label{Tbl_fits}Spectral results in the 0.1$-$15~keV energy range for the EPIC~spectra.}
\small%\centerline
 {
\begin{tabular}{l|ll|lll}
  \hline\hline
  Model$^{{a}}$ & Parameter & Unit & Value & \multicolumn{2}{l}{Error} \\
  \hline
  \multicolumn{5}{c}{Thermal model} \\
  \hline
{AP2G} & 
$n_{\rm H}$ & $10^{22}$ $\rm cm^{-2}$ & $27.87$ & ${-5.64}$ & ${7.13}$  \\
$\chi_{\rm r}^2 = 0.628$ (d.o.f. = 26) & 
$kT$ & keV & $11.26$ & ${-3.44}$ & ${10.59}$ \\
& norm & & $3.01\times10^{-4}$ & ${-5.98}\times10^{-5}$ & ${7.46}\times10^{-5}$ 
\\
%& & \\
& $E$ (GS) & keV & $6.08$ & $-0.28$ & $0.18$ \\
& $\sigma$ (GS) & keV & $0.23$ & $-0.23$ & $0.28$ \\
& norm (GS) & & $2.74\times10^{-6}$ & ${-2.74}\times10^{-6}$ & 
${1.63}\times10^{-6}$\\
%& & \\
& $n_{\rm H}$ & $10^{22}$ $\rm cm^{-2}$ & $0.61$ & $-0.38$ & $0.59$ \\
& $kT$ & keV & $0.18$ & $-0.18$ & $5.94$ \\
& norm & & $2.17\times10^{-5}$ & ${-2.02}\times10^{-5}$ & $0.47$ \\
& Total flux & erg~cm$^{-2}$~s$^{-1}$ & $1.744\times10^{-13}$ & & \\   
\hline
\multicolumn{5}{c}{Cooling flow model} \\
\hline
{CF5} & 
$n_{\rm H}$ & $10^{22}$ $\rm cm^{-2}$ & $27.51$ & $-2.88$ & $3.46$ \\
$\chi_{\rm r}^2 = 0.695$ (d.o.f. = 26) & 
$T_{\rm min}$ & keV & $0.38$ & $-0.37$ & $5.51$ \\
&$T_{\rm max}$ & keV & $60.45$ & $-7.94$ & $8.23$ \\
& Abundance & & 1.086 & $-0.85$ & $1.21$ \\
& norm & & $3.11\times10^{-11}$ & $-3.46\times10^{-12}$ & $3.46\times10^{-12}$ \\
%& & \\
& $E$ (GS) & keV & $6.10$ & $-0.30$ & $0.22$ \\
& $\sigma$ (GS) & keV & $0.25$ & $-0.25$ & $0.32$ \\
& norm (GS) & & $2.62\times10^{-6}$ & $-2.62\times10^{-6}$ & 
$1.71\times10^{-6}$ \\
%& & \\
& $n_{\rm H}$ & $10^{22}$ $\rm cm^{-2}$ & $0.60$ & $-0.13$ & $0.59$ \\
& $kT$ & keV & $0.18$ & $-0.17$ & $0.05$ \\
& norm & & $2.20\times10^{-5}$ & $-2.2\times10^{-5}$ & $2.3\times10^{-5}$ \\
& Total flux & erg~cm$^{-2}$~s$^{-1}$ & $1.792\times10^{-13}$ & & \\   
\hline\\
\multicolumn{6}{l}{$^{{a}}$ Models applied in {XSPEC} notation:}\\
\multicolumn{6}{l}{AP2G = wabs(apec)+wabs(apec+gaussian) (Abundance~=~1, redshift~=~0).} \\
\multicolumn{6}{l}{CF5 = wabs(apec)+wabs(gaussian+mkcflow) (Redshift = $4.16\times10^{-7}$, switch = 0).} \\
\multicolumn{6}{l}{Errors are quoted at the 90\%~confidence level for a single interesting parameter.}
\end{tabular}}
%\medskip
\end{table}