\begin{table}%t4
\caption{\label{multi_pars}Parameters of the components in the multi NEI approach. Errors are $1\sigma$ rms,  $\Delta \chi^2 = 2$, $\chi^2/{\rm d.o.f.} = 7.8$. Emission measure $EM_{\rm X} = n_{\rm e}n_{\rm X}V$.}
%\centering
\small
\par
\begin{tabular}{lllllllll}
\hline\hline
Component number  & 1 &\multicolumn{2}{c}{2} & \multicolumn{2}{c}{3} & 4 & 5 & 0 \\ 
\hline 
Layer  &  O & Si & S & Ar & Ca & Fe-high & Fe-low & CSM \\
\hline \noalign{\smallskip} 
$EM_{\rm X}\;(10^{54}\;\mt{cm}^{-3})$ &  
	$8.87^{+3.39}_{\rm -0.45}$ & 
	$2.47^{+0.31}_{\rm -0.14}$ & $1.56^{+0.20}_{\rm -0.09}$ & 
	$0.78^{+0.63}_{\rm -0.38}$ & $0.60^{+0.49}_{\rm -0.29}$ & 
	$2.52^{+0.32}_{\rm -0.35}$ & $2.15^{+0.17}_{\rm -0.36}$ &
	$2.36^{+0.50}_{\rm -0.11}\times10^{5}$  \\
$kT_{\rm e}$ (keV)  &  
	$0.72^{+0.70}_{\rm -0.24}$ & 
	$7.00^{+3.00}_{\rm -2.26}$ & $7.00^{+3.00}_{\rm -2.26}$ & 
	$2.67^{+10.00}_{\rm -1.17}$ & $2.67^{+10.00}_{\rm -1.17}$ & 
	$2.73^{+0.07}_{\rm -0.27}$ & $1.26^{+0.44}_{\rm -0.26}$ &
	$0.64^{+0.02}_{\rm -0.06}$  \\
$n_{\rm e}t~(10^{10}~\mt{s~cm}^{_3})$  &  
	$1.52^{+3.66}_{\rm -0.92}$ & 
	$3.63^{+0.27}_{\rm -0.18}$ & $3.63^{+0.27}_{\rm -0.18}$ & 
	$27.2^{+N/A}_{\rm -18.8}$  & $27.2^{+N/A}_{\rm -18.8}$ & 
	$3.78^{+0.34}_{\rm -0.26}$ & $2.55^{+0.56}_{\rm -0.39}$ &
	$80.0_{\rm -13.4}^{N/A}$  \\
$n_{\rm e}/n_{\rm X}$  & 6.6 & 21.2 & 33.7 & 30.5 & 39.6 & 19.6 & 17.5 & 1.2 \\
\hline
\end{tabular}
\end{table}