\begin{table}%t2
\caption{\label{all_nei_pars}The best-fit NEI parameters of the XMM-Newton EPIC, RGS and Chandra ACIS data.}
%\centering
\small
\begin{tabular}{lllll}
\hline\hline\noalign{\smallskip} 
Parameter  & RGS & EPIC MOS + ACIS & ACIS inner & ACIS outer \\                                 
\hline \noalign{\smallskip} 
 $n_{\rm e}n_{\rm H}~V\; (10^{58},\;\mt{cm}^{-3}$) &
 $1.8^{+2.5}_{\rm -1.8}$ & $3.7_{\rm -0.2}^{+0.2}$  & $2.63_{\rm -0.32}^{+0.33}$  & $0.66_{\rm -0.08}^{+6.49}$  \\    $kT_{\rm e}$ (keV)                               &
$2.21^{+0.08}_{\rm -0.07}$  & $2.82_{\rm -0.03}^{+0.03}$ & $2.88_{\rm -0.06}^{+0.06}$ & $1.73_{\rm -1.07}^{+0.14}$  \\
$n_{\rm e}t\; (10^{10},\;\mt{s\;cm}^{-3})$     &
 $2.69^{+0.03}_{\rm -0.03}$ & $2.27_{\rm -0.01}^{+0.01}$ & $2.22_{\rm -0.002}^{+0.02}$ & $3.90 \pm N/A$   \\
$n_{\rm H}\; (10^{21},\;\mt{cm}^{-2}$)     & 
-- &  $2.62_{\rm -0.06}^{+0.07}$ &  $2.74_{\rm -0.11}^{+0.11}$ & -- \\
\hline\noalign{\smallskip} $\chi^2$/d.o.f. & $2.4$ & $29.4$& $10.4$ & $2.5$ \\
\hline
\end{tabular}
\tablefoot{Columns~1 and~2 list data for the entire remnant. Column~3 lists data for the inner shell of the SNR and Col.~4 -- for the outer shell (see \rfig{chandra_reg}).}
\end{table}