\begin{table}%t2
%\centering
\par
\caption{\label{t-ew}Equivalent widths and line widths (corrected
for the instrumental resolution) of the strongest emission lines
measured from the average of the 45 spectra obtained in December
2002.}
\begin{tabular}{lrr}
\hline\hline\noalign{\smallskip}
Line & $FWHM$ [\AA] & $EW$ [\AA] \\
\hline\noalign{\smallskip}
%
\Hg  & $13.7\pm0.2$ & $14.3\pm1.0$  \\
\Line{He}{II}{4686} & $14.2\pm0.3$ & $15.0\pm2.0$ \\
\Hb  & $14.2\pm0.2$ & $22.0\pm2.0$  \\
\Line{He}{I}{5876}  & $14.0\pm0.3$ & $ 9.6\pm0.5$ \\
\Ha  & $15.8\pm0.2$ & $64.0\pm2.0$  \\
\Line{He}{I}{6678}  & $17.3\pm0.2$ & $ 7.5\pm0.5$ \\
%
\hline
\end{tabular}
\rmfamily
\end{table}