\begin{table}%t1
\caption{Best fit parameters.}\label{models}
\par
\small%\centerline
 {
\begin{tabular}{l c c c c c c c c} 
\hline \hline
%&&&&&&&& \\[-8pt]
Model & $E_{{\rm gaus}}$ & $\sigma_{{\rm gaus}}$ & $EW_{{\rm gaus}}$ &  Reflection factor & Inclination angle &  Ionization parameter & $EW_{{\rm laor}}$ & $\chi^{2}$/d.o.f.\\
 &  (keV)  &  (eV)  &  (eV)  & & $(^\circ)$  & $\rm (erg~cm~s^{-1})$  &  (eV) & \\
\hline 
Baseline model  &  ${6.34^{n}}$ & ${200^{p}}$ & ${200^{n}}$ & $\dots$ & $\dots$ & $\dots$ & $\dots$ & ${\rm 41/18}$\\
Baseline model + pexrav  & ${\rm 6.36^{+0.05}_{-0.05}}$ & ${\rm 80^{+60}_{-80}}$ & ${\rm 90^{+30}_{-30}}$ & ${\rm 0.50^{+0.15}_{-0.20}}$ & ${\rm 60^{+15}_{-20}}$ & $\dots$ & $\dots$ &${\rm 14/15}$ \\
Baseline model + kdblur(reflion) & ${\rm 6.37^{+0.04}_{-0.04}}$ & ${\rm 80^{+40}_{-40}}$ & ${\rm 80^{+20}_{-20}}$ & $\dots$ & ${30^{f}}$ & ${\rm \xi<30}$ & $\dots$ & ${\rm 15/16}$ \\
Baseline model + laor  & ${\rm 6.37^{+0.06}_{-0.06}}$ & ${\rm 10^{+10}_{-10}}$ & ${\rm 50^{+30}_{-20}}$ & $\dots$ & $\dots$ & $\dots$ & ${\rm 350^{+70}_{-90}}$ & ${\rm 26/17}$ \\
\hline
\end{tabular}}
\medskip
Model parameters not displayed correspond to default values. \\
$^{n}$~Poor fit does not allow error calculation;
$^{p}$~fit parameter pegged at hard limit;
$^{f}$~fixed parameter. 
\end{table}