\begin{table}%t1
\par
\caption{\label{XSTARMODEL}The ionizing sources and gas parameters used in the XSTAR code.} 
%\centering
\par
\begin{tabular}{lcc}
\hline \hline
Compact star& WR star  &  Gas envelope    \\
\hline
 CompPS&BB &$N_H=5\times 10^{23}$ cm$^{-2}$ \\
 $T_{\rm bb}=0.71$~keV&$T_{\rm eff} = 0.01$~keV  & $N=10^{11}$ cm$^{-3}$   \\
  $L=2.46\times10^{38}$~erg/s & $L=5\times 10^{38}$~erg/s& H $= 0.1$, He~=~10, CNO\\
\hline
\end{tabular}
\end{table}