\begin{table}%t5
  %\centering
\par
  \caption{\label{emlintab}Emission line luminosities measured by RGS and their significance.}
\par
  \begin{tabular}{lcccc}
    \hline
    \hline
    \noalign{\smallskip}
    Ion & Rest wavelength & $L_{\rm obs}$ & F-test & Model \\
        & (\AA) & ($10^{40}$~erg s$^{-1}$) & (\%) & \\
    \noalign{\smallskip}
    \hline
%    \noalign{\smallskip}
    \OVIII{} Ly$\alpha$ & 18.97 & $<$1.0 & $\dots$ & {\it delta}\\
%    \noalign{\smallskip}
    \OVII{} (f) & 22.10 & $3.1\pm2.0$ & 89.0 & {\it delta}\\ 
%    \noalign{\smallskip}
    \OVII{} (triplet) & 21.9 & $13\pm7$ & 95.0 & {\it gauss}  \\
%    \noalign{\smallskip}
    \hline
  \end{tabular}
\end{table}