\begin{table}%t3
\caption{Line parameters as measured in the RGS spectra of HT~Cam.}   \label{rgspar}
%\centering
\par
\begin{tabular}{c c c c }
\hline \hline
Line & $E_{\rm C}$ & $\sigma$       &  Flux \\
     &   (keV) & (eV) & ph~cm$^{-2}$~s$^{-1}$\\ 
            \hline
Blend  &  $\rm 0.8213_{-0.0044}^{+0.0046}$ & $\rm 6.2_{-3.4}^{+3.8}$ & 
2.0 $\pm$ $0.9 \times 10^{-5}$ \\
O~{\sc viii} & $\rm 0.6536_{-0.0009}^{+0.0011}$ &
$\rm 2.4_{-1.3}^{+1.4}$ & $3.3 \pm 0.9 \times 10^{-5}$ \\
O~{\sc vii} &$\rm 0.5723_{-0.0030}^{+0.0031}$ & 2.8($<$5.8) &
$2.1_{-1.3}^{+1.5}\times 10^{-5}$ \\
\hline
\end{tabular}
\end{table}