\begin{table}%t5
\caption{Fe K$\alpha$ Gaussian model parameters (rest frame).}
%\centerline
{
%\scriptsize
\begin{tabular}{lclccc} 
\hline        
\hline
\noalign{\smallskip} 
Source  & $E_{\rm Fe}$  &$\sigma_{\rm Fe}$ &  $I_{\rm Fe}$                       & $EW$    &    $\Delta\chi^2$ (d.o.f.)$^a$  \\ 
        &  (keV)        &   (keV)          &  ($10^{-6}{\rm~ph~cm^{-2}~s^{-1}}$) & (keV)  &      \\
\hline 
\noalign{\smallskip}
PKS~0625-35       &  $6.4$  &   0.01   & $1.5_{-1.5}^{+2.4}$        & 0.079 ($<$0.182)  & --1.3 (1)\\      
\noalign{\smallskip}
\noalign{\smallskip}
3C~88         &  $6.4$  &   0.01   & $1.5_{-1.5}^{+5.5}$        & 0.435 ($<$0.643)  & --1.5 (1)\\      
\noalign{\smallskip}
\noalign{\smallskip}
3C~444        &  $6.7_{-0.4}^{+0.4}$ & $0.35_{-0.35}^{+0.47}$ & $4.4_{-2.7}^{+2.8}$    & $0.550_{-0.380}^{+0.690}$  &  
--5.7 (3)\\
\hline
\end{tabular}}\medskip
  $^a$ Decrease in the $\chi^2$ (and additional
number of degrees of freedom) obtained by adding a Gaussian line to the best fit continuum.
\label{tab5}
\end{table}