\begin{table}%t3
\caption{\label{tab:nHfluxes}Strong Fe~XVIII lines and measured fluxes.}
%\centerline
{\small
\begin{tabular}{ccccccc}
\hline
\hline
 Wavelength & Measured flux & Measured flux\tablefootmark{a}&  Ratio to & Predicted & Corresponding & Corresponding  \\
            & \multicolumn{2}{c}{($10^{-5}$ph/cm$^2$/s)} & 14.21~\AA  & & $N_{\rm H}$ (10$^{18}$~cm$^{-2}$) & $N_{\rm C}$ (10$^{17}$~cm$^{-2}$) \\
\hline
14.21 & 6.3 $\pm$ 1.4 & 6.3 $\pm$ 1.4 & -- &  & \\
16.08 & 5.7 $\pm$ 1.3 & 6.3 $\pm$ 1.0 & 0.9 $\pm$ 0.3 (1.0$\pm$ 0.3) & 0.6\tablefootmark{b}\\
93.92 & 28.9 $\pm$   3.7 & 25.8 $\pm$ 3.3 & 4.6 $\pm$ 1.1 (4.1 $\pm$ 1.1) &3.9 $\pm$ 0.3 & 0--7 & 0--8\\
103.94 & 11.1 $\pm$   3.4& 9.7 $\pm$2.7 & 1.8 $\pm$ 0.7 (1.5 $\pm$ 0.5)& 1.4 $\pm$0.1 & 0--8 & 0--10\\
\hline
\end{tabular}}
\tablefoot {The values for the new \texttt{Gain Map and Pulse-Height} filtering are also given. Their corresponding ratios are given in brackets in the ratio column while the values in the columns for the corresponding absorbing column densities are based on the standard filter.
\tablefoottext{a}{New \texttt{Gain Map and Pulse-Height} filter;}
\tablefoottext{b}{plus 0.2 blend.}}
\end{table}