\begin{table}%t3
\caption{\label{fits:sn93j}Fitting parameters for different components for the SN~1993J XMM-Newton data.}
\small%\centerline
 {
\begin{tabular}{ll|l|l|l|l} 
\hline \hline
\multicolumn{2}{c|}{} & \multicolumn{4}{|c}{Models}\\
\cline{3-6}
\multicolumn{2}{c|}{Parameters} & Solar & HHe-Zone & HeN-Zone & SN 87A-like \\
\multicolumn{2}{c|}{} &        & (s15s7)  & (s15s7)  &   \\
\hline
&&&&& \\[-8pt]
\multicolumn{2}{c|}{$\chi^2$/{\rm d.o.f.}} & 2.13 & 1.98 & 1.26 & 1.67\\
\hline
\multirow{2}{*}{Rad. Comp} & Temp (keV) &  $0.68\pm0.08$ & $0.71\pm0.08$ & 
$1.02\pm0.41$  & $0.75\pm0.11$\\[2pt]
                          & Norm (10$^{-3}$) &  $5.79\pm0.11$ & $6.53\pm0.83$ & 
$6.20\pm0.23$ & $5.10\pm0.73$\\
\hline 
\multirow{2}{*}{Ad. Comp} & Temp (keV) &  $1.33\pm0.24$ & $1.37\pm0.03$ & 
$2.07\pm0.16$  & $1.35\pm0.03$\\[2pt]
                          & Norm (10$^5$) &  $2.08\pm0.04$ & $1.81\pm0.05$ & 
$0.28\pm0.02$  & $1.58\pm0.03$\\
\hline
Unabsorbed flux $^*$ & Rad. Comp & $1.12\pm0.02$ & $1.24\pm 0.15$  & 
$1.64\pm 0.6$ & $1.14\pm 0.16$ \\[2pt]
$10^{-13}$ erg s$^{-1}$ & Ad. Comp & $1.72\pm 0.03$  & $1.59\pm 0.04$ & 
$1.45\pm 0.10$ & $1.73\pm 0.03$\\[2pt]
\cline{2-2}
  & Total flux & $2.84\pm 0.05$ &  $2.84\pm 0.19$& $3.09\pm 0.16$ & $2.87\pm 0.19$\\
\hline
&&&&& \\[-8pt]
\multicolumn{2}{c|}{$n_{{\rm H}}$(cool shell) in $10^{20}$ cm$^{-2}$} &
$13.2\pm1.40$ & $11.8\pm0.96$ & $0.07\pm0.07$ & $6.5\pm1.1$ \\
\hline
Flux (Reverse Shock) $^{**}$ & Rad. Comp & $2.49\pm0.05$ & $2.46\pm 0.31$ & 
$2.73\pm 0.10$ & $2.18\pm 0.31$ \\[2pt]
$10^{-13}$ erg s$^{-1}$ & Ad. Comp & $2.60\pm0.05$  & $2.92\pm 0.08$ & 
$1.89\pm 0.14$ & $2.46\pm 0.05$\\[2pt]
\cline{2-2}
  & Total flux & $5.09\pm0.10$& $5.38\pm 0.39$ & 
$4.62\pm 0.24$& $4.66\pm 0.36$\\
\hline
\end{tabular}}
\medskip
$^*$ Corrected for the Galactic extinction column density, $n_{{\rm H}}$~= $4.17\times10^{20}$ cm$^{-2}$\\
$^{**}$ The total flux from the reverse shock before absorption by the cool shell.
\end{table}