\begin{table}%t8
\caption{Parameters of the Fe K$\alpha$ line from the present HEG spectrum (2002), previous HEG spectrum (2000; Yaqoob et~al. \cite{yaqoob}), and EPIC~spectrum (2001; Pounds et~al. \cite{pounds}). The {\it FWHM} is given in km~s$^{-1}$, the flux in~ph~m$^{-2}$~s$^{-1}$.}
\label{tab:fek}
%\centering
\par
\begin{tabular}{lccc}
\hline \hline
           & HEG (2000)       & EPIC (2001)    & HEG (2002) \\
\hline
$E$ (keV)    & 6.402 $\pm$ 0.026& 6.39 $\pm$ 0.02& 6.391 $\pm$ 0.014\\
{\it EW} (eV)    & 133 $\pm$ 50     & 60 $\pm$ 15    & 47 $\pm$ 15 \\
{\it FWHM}       & 4515 $\pm$ 2650& 6500 $\pm$ 2200 & 1700 $\pm$ 1500 \\
Flux       & 0.36 $\pm$ 0.16& 0.38 $\pm$ 0.10 & 0.24 $\pm$ 0.08\\
\hline
\end{tabular}
\end{table}