\begin{table}
\caption{\label{tab:spectra2133}Spectral parameters of the best-fit models to the average spectra of RX~J2133. Errors are given at the $90\%$ confidence level.}
\par
\small%%\centerline

 {
\begin{tabular}{lllllllllllllllll}
\hline\hline       
%&&&&&&&&&&&&&&&& \\[-8pt]
& &
$N_{{\rm H}}$$^a$ &
$N_{{\rm H}}$$^b$ &
$C_{\rm F}$$^c$ &
$k T_{{\rm BB}}$ &
$C_{{\rm BB}}$$^d$ &
$A_Z$$^e$ &
$\alpha$$^f$ &
$k T_1$ &
$C_1$$^g$ &
$k T_2$ &
$C_2$$^h$ &
$k T_3$$^i$ &
$C_3$$^j$ &
$EW^k$ &
$\chi_{\nu}^2$ \\
 & & & & & (eV) & & & & (keV) & & (keV) & & (keV) & & (eV) & ($\chi^2$ / d.o.f.) \\
\hline
%&&&&&&&&&&&&&&&& \\[-8pt]
& \textit{1} & $1.7_{\rm -0.2}^{+0.1}$ & $1.3_{\rm -0.1}^{+0.2}$ & $0.56_{\rm -0.04}^{+0.03}$ & $94_{\rm -2}^{+3}$ &
$5.8_{\rm -1.1}^{+0.8}$ & $0.6_{\rm -0.1}^{+0.2}$ & $0.9_{\rm -0.1}^{+0.2}$ & & & & & $55_{\rm -15}^{+21}$ &
$3.5 \pm 0.4$ & $159 \pm 22$ & 0.98 (1416/1444) \\
A & \textit{2} & 1.7 (fixed) & $1.1 \pm 0.2$ & $0.58_{\rm -0.04}^{+0.03}$ & $97_{\rm -1}^{+2}$ &
$4.9_{\rm -0.5}^{+0.4}$ & $0.6_{\rm -0.1}^{+0.2}$ & $0.9 \pm 0.2$ & & & & & $45_{\rm -10}^{+23}$ & $3.5 \pm 0.6$ &
$149_{\rm -31}^{+16}$ & 1.05 (819/780) \\
& \textit{3} & 1.7 (fixed) & $1.06 \pm 0.07$ & $0.48_{\rm -0.02}^{+0.01}$ & $102 \pm 1$ & $3.7 \pm 0.2$ &
$0.8 \pm 0.1$ & 1 (fixed) & & & & & $82_{\rm -10}^{+13}$ & $3.80_{\rm -0.08}^{+0.09}$ & $181 \pm 10$ &
1.12 (2907/2608) \\[2pt]
\hline
%&&&&&&&&&&&&&&&& \\[-8pt]
& \textit{1} & $1.7_{\rm -0.08}^{+0.12}$ & $1.4 \pm 0.2$ & $0.52_{\rm -0.02}^{+0.04}$ & $98 \pm 2$ &
$4.9_{\rm -0.6}^{+1.0}$ & $0.5 \pm 0.1$ & & & & $1.4_{\rm -0.2}^{+0.4}$ & $0.9_{\rm -0.3}^{+0.5}$ &
$27_{\rm -6}^{+4}$ & $1.70_{\rm -0.07}^{+0.05}$ & $168_{\rm -24}^{+23}$ & 0.99 (1431/1443) \\
B & \textit{2} & 1.7 (fixed) & $1.2 \pm 0.2$ & $0.59 \pm 0.04$ & $103 \pm 2$ &
$4.3_{\rm -0.4}^{+0.5}$ & $0.7_{\rm -0.2}^{+0.3}$ & & & & $4.6_{\rm -1.0}^{+1.9}$ & $5.1_{\rm -1.7}^{+1.9}$ &
$36_{\rm -8}^{+13}$ & $1.3 \pm 0.2$ & $140 \pm 30$ & 1.06 (822/779) \\
& \textit{3} & 1.7 (fixed) & $1.03 \pm 0.07$ & $0.46_{\rm -0.01}^{+0.02}$ & $107 \pm 1$ &
$3.1 \pm 0.1$ & $0.9_{\rm -0.1}^{+0.2}$ & & & & $7.3_{\rm -1.1}^{+0.6}$ & $3.6_{\rm -0.9}^{+0.8}$ &
$> 71$ & $1.46_{\rm -0.06}^{+0.07}$ & $173 \pm 9$ & 1.08 (2818/2606) \\[2pt]
\hline
%&&&&&&&&&&&&&&&& \\[-8pt]
& \textit{1} & $1.7 \pm 0.1$ & $1.3 \pm 0.2$ & $0.54 \pm 0.03$ & $96_{\rm -2}^{+3}$ &
$5.4_{\rm -0.9}^{+0.8}$ & $0.7 \pm 0.2$ & & $1.1_{\rm -0.2}^{+0.3}$ & $4.1_{\rm -1.7}^{+3.3}$ &
$4.8_{\rm -0.9}^{+3.2}$ & $3.3_{\rm -0.5}^{+1.5}$ & $39_{\rm -9}^{+11}$ & $1.46_{\rm -0.18}^{+0.09}$ &
$156_{\rm -21}^{+22}$ & 0.97 (1403/1441) \\
C & \textit{2} & 1.7 (fixed) & $1.1 \pm 0.2$ & $0.57 \pm 0.04$ & $99 \pm 2$ &
$4.7 \pm 0.5$ & $0.7_{\rm -0.2}^{+0.3}$ & & $1.0_{\rm -0.2}^{+0.3}$ & $4.5_{\rm -2.3}^{+3.6}$ &
$5.4_{1.4}^{+1.7}$ & $4.7_{\rm -1.7}^{+2.4}$ & $39_{\rm -8}^{+12}$ & $1.3_{\rm -0.2}^{+0.1}$ &
$142_{\rm -30}^{+31}$ & 1.04 (805/777) \\
& \textit{3} & 1.7 (fixed) & $1.10 \pm 0.09$ & $0.45_{\rm -0.02}^{+0.01}$ & $100_{\rm -3}^{+2}$ &
$4.7_{\rm -0.8}^{+1.0}$ & $0.9_{\rm -0.1}^{+0.2}$ & & $0.9_{\rm -0.1}^{+0.2}$ & $1.6_{\rm -0.6}^{+0.9}$ &
$6.6 \pm 1.0$ & $3.5_{\rm -0.9}^{+1.0}$ & $> 61$ & $1.50_{\rm -0.05}^{+0.07}$ & $170 \pm 9$ &
1.07 (2794/2603) \\[2pt]
\hline
\end{tabular}}
\medskip
$^a$~Column density of the total absorber in units of $10^{21}~{\rm cm}^{-2}$;
$^b$~column density of the partial absorber in units of~$10^{23}~{\rm cm}^{-2}$; 
$^c$~covering fraction of the partial absorber; 
$^d$~normalization constant of the BBODY component in units of~$10^{-4}$; 
$^e$~metal abundance; 
$^f$~index of power-law emissivity function of the CEMEKL~component; 
$^g$~normalization constant of the first optically thin plasma component in units of~$10^{-4}$; 
$^h$~normalization constant of the second optically thin plasma component in units of~$10^{-3}$; 
$^i$~in model~A this the maximum temperature of the CEMEKL; 
$^j$~normalization constant of the third optically thin plasma component (CEMEKL in model~A) in units of~$10^{-2}$;
$^k$~equivalent width of the 6.4~keV Fe~line.
\end{table}