\begin{table}%t3
     \caption{\label{fitres}Fit results for the combined PN and MOS X-ray spectra of \ob.}
%\centerline
 {      \begin{tabular}{llccccc}
      \hline\hline
      \noalign{\smallskip}
       Model & $N_{\rm H}^1 $ 
                  & $kT_{\rm bb}$ 
                  & $kT_{\rm therm}$ 
                & $F_{\rm soft,bol}$
                & $F_{\rm hard,bol}$
                & $\chi^2_{\rm red}$ \\
          &  (10$^{19}$ cm$^{-2}$)  & 
         (eV) &
         (keV) &
         $({\rm erg~cm}^{-2}{\rm s}^{-1})$  & 
         $({\rm erg~cm}^{-2}{\rm s}^{-1})$  & \\
       \noalign{\smallskip}
      \hline
      \noalign{\smallskip}
{\it May 2002}   & & & &\\
 bb+brems     &  $0^{\rm +2}_{-0}$    &  $35^{\rm +3}_{-3}$ & $115^{\rm +15}_{-15}$ & $8.0\times10^{-12}$ & $1.4\times10^{-11}$  &  1.49\\
 bb+mek       &  $0^{\rm +2}_{-0}$    &  $35^{\rm +1}_{-1}$ & $98^{\rm +10}_{-10}$ & $8.0\times10^{-12}$  & $1.4\times10^{-11}$  &  1.46\\
 reflect(bb+mek)    &  $0^{\rm +2}_{-0}$    &  $35^{\rm +1}_{-1}$ & $30^{\rm +25}_{-10}$ & $8.3\times10^{-12}$  & $7.2\times10^{-12}$  &  1.44\\
absori(bb+mek)    &  $3^{\rm +7}_{-3}$   & 
 $32^{\rm +2}_{-2}$ & $18^{\rm +14}_{-4}$ &  $1.4\times10^{-11}$  &  $6.7\times10^{-12}$ &  1.37\\[3pt]
reflect $\ast$ absori(bb+mek)    &  $0^{\rm +7}_{-0}$   & 
 $34^{\rm +1}_{-3}$ & $15^{\rm +6}_{-3}$ &  $1.5\times10^{-11}$ & $5.6\times10^{-12}$  &  1.36\\[3pt]
{\it May 2003}    &   &   &   & \\
bb+brems     &  $1.8^{\rm +4}_{-2}$  &  $29^{\rm +4}_{-3}$ & $69^{\rm +40}_{-30}$ & $2.5\times10^{-11}$ &  $1.1\times10^{-11}$  &  1.46\\
bb+mek     &  $2.0^{\rm +4}_{-2}$    &  $29^{\rm +4}_{-3}$ & $54^{\rm +40}_{-30}$ & $2.7\times10^{-11}$ &  $1.0\times10^{-11}$ &  1.43\\
reflect(bb+mek)    &  $2.7^{\rm +4}_{-2}$   &  $29^{\rm +4}_{-3}$ & $22^{\rm +10}_{-6}$ & 
 $3.4\times10^{-11}$  & $5.9\times10^{-12}$  &  1.38\\
absori(bb+mek)    &  $5.9^{\rm +3}_{-3}$   & 
 $25^{\rm +3}_{-3}$ & $15^{\rm +5}_{-3}$ &  $8.7\times10^{-11}$  &  $5.7\times10^{-12}$ &  1.39\\[3pt]
reflect $\ast$ absori(bb+mek)    &  $5.8^{\rm +6}_{-3}$   & 
 $25^{\rm +3}_{-3}$ & $13^{\rm +3}_{-2}$ &  $8.6\times10^{-11}$  &  $5.1\times10^{-12}$ &  1.36\\[3pt]
{\it Oct 2003}    &   &   &   & \\
mek     &  $2^{\rm +10}_{-2}$    &   & $3.5^{\rm +3}_{-3}$ &  &  $4.8\times10^{-14}$ &  0.5\\[3pt]
{\it May 2005}    &   &   &   & \\
mek     &  $0^{\rm +10}_{-0}$    &   & $ 1.96^{\rm +1}_{-1} $ &  &  $4.3\times10^{-14}$& 1.25\\[3pt]
 \hline 
\end{tabular}}
\par
\smallskip
\par
\noindent {\small 
$^1$ The $N_{\rm H}$ refers to cold absorption applied to all model
components. 
}
\par
   \end{table}