\begin{table}%t3
\caption{\label{t3}The best-fit parameters for the central region of RXC~J2228.6+2036 by 
$Model_2$. The $lowT$ is fixed on 0.01 keV and $1'=332.7$ kpc. The errors 
are at the 90\% confidence level.}
%\begin{center}
\par
\begin{tabular}{ccccccccc}
\hline\hline
$r$ & $T_{\rm mekal}$ & Low~$T_{\rm cf}$ & High~$T_{\rm cf}$ & $A$ 
  & Norm & $\dot{M}$ & $\Delta n_{\rm H}$ & $\chi^{2}_{{\rm red}}$/${\rm d.o.f.}$ 
\\
  &(keV) & (keV) & (keV)& (solar) & ($10^{-3}$~cm$^{-5}$) & 
($M_{\odot}$) & ($10^{22}$ cm$^{-2}$) &   
\\
\hline
 $0'$$-$$0.5'$ & $\rm 8.54^{+2.27}_{-1.18}$ & 0.01 (fix) & =$T_{\rm mekal}$ & 
 $0.32\pm0.19$ & $\rm 0.70^{+0.05}_{-0.12}$ & $\rm 14.0^{+64.0}_{-14.0}$  & 
 0.0(fix) &  1.12/250 
\\
\hline
\end{tabular}
%\end{center}
\par
\label{tablefit}
\end{table}