\begin{table}%t3
%\centering
\par
\caption {\label{tab3}Parameters of the SED-fitting analysis 
         (see Sect.~3.3, Fig.~\ref{fig2}). 
        }
\begin{tabular}{ccccccccccc}
\hline
\hline
Stage                &
$N_{\rm H}$          &
$T_{\rm h}$          &
$\theta_{\rm h}$     &
$R_{\rm h}^{\rm eff}$&
$L_{\rm h}$          &
$L_{\rm ph}({\rm H})$&
$\chi^2_{\rm red}$   &
$T_{\rm e}$          &
$EM$                 &
$\chi^2_{\rm red}$   \\
%
                     &
[cm$^{-2}$]          &
[$K$]                &
                     &
[$R_{\odot}$]         &
[$L_{\odot}$]         &
[s$^{-1}$]           &
                     &
[$K$]                &
[cm$^{-3}$]          &
                     \\
%
% Stage, T_h,  N_H,  O_h,  R_h,  L_h,  L_ph, Chi2, T_e,  EM, Chi2
%
\hline
HB &$>$$2.5\times 10^{21}$ &$>$180~000 &$<$$8.9\times10^{-13}$&$<$0.043
   &$>$1~760&$>$$8.9\times 10^{46}$&--&18~600&$6.2\times 10^{59}$& 1.3 \\
 T &$3.27\times 10^{20}$   & 146~200   &$7.3\times 10^{-13}$  &0.036
   & 530&$3.1\times 10^{46}$&0.6& 21~500 & $2.2\times 10^{59}$& 0.8   \\
 Q &$2.82\times 10^{20}$   & 164~400   &$6.3\times 10^{-13}$  &0.031
   & 630&$3.4\times 10^{46}$&3.1& 21~000 & $1.3\times 10^{59}$& 0.4   \\
\hline
\end{tabular}
\end{table}