\begin{table}%t3
\caption{Parameters of the X-ray broad lines from a~line-by-line fitting. The line transition, its
centroid (in~\AA), the {\it FWHM} in~\kms\ and the rounded correspondent value in~\AA, the intrinsic line luminosity and the significance are listed (see text for details). Note that for the triplets the~{\it FWHM} is the result of the blend of the lines.}\label{t:gaussian} 
\small%\centerline
{
\begin{tabular}{llllll}
\hline\hline
% & & & & & \\[-8pt]
{\footnotesize Ion} & Wavelength & {\it FWHM} & {\it FWHM} & Lum$_{\rm obs}$ & $\Delta\chi^2/\Delta\nu$ \\
&    \AA  & $10^{4}$ \kms & \AA& ($10^{41}$ erg s$^{-1}$) & \\
\hline
% & & & & & \\[-8pt]
\cv$^{1,2}$ 	& 41.47 & 1.0 		     & 1.4			& $<$$3$  	& 3.4/1 \\ 
\cvi\ 		& 33.73 & 1.0		     & 1.1			& 1.1 $\pm$ 0.5	& 7.1/1 \\
\nvi$^{2}$  	& 28.75 & 1.7 		     & 1.7			& $<$$1.1$	& 0.5/1 \\
\nvii\  	& 24.78 & 1.0 		     & 0.8			& $<$$1.7$	& 0.4/1 \\
\ovii$^{2}$  	& 21.90 & 1.9$^{+0.7}_{-0.4}$& 1.4$^{+0.5}_{-0.3}$	& 5.0 $\pm$ 0.8	& 45/1  \\
\oviii$^3$  	& 18.96 & 1.6 		     & 1.0			& 2.4 $\pm$ 1.0	& 13/1  \\ 
\neix$^{2}$ 	& 13.67 & 1.5 		     & 0.7			& $<$$2.5$	& 6.7/1 \\ 
\hline
\end{tabular}}
\medskip
$^1$ In the instrumental \ci\ edge, the wavelength and the width refer the the forbidden line;
$^2$~triplets;
$^3$~blended with the \ovii\ He$\beta$.
\end{table}