\begin{table}%t4
\caption{\label{ta:fitlines}Flux units are $10^{-15}~ {\rm erg} ~ {\rm s}^{-1} \ {\rm cm}^{-2}$. 
Luminosity units are $10^{43}~{\rm erg} ~{\rm s}^{-1}$.}
%\centering
\par
\begin{tabular}{lccccccc}
\hline \hline
\noalign{\smallskip}
             & Center & \multicolumn{2}{c}{\it FWHM}    & \multicolumn{2}{c}{Flux}  & \multicolumn{2}{c}{Lum.}\\
Line         & (\AA)  & (\AA)  & km~s$^{-1}$               & Obs.     & Ext. Cor.  & Obs.     & Ext. Cor. \\
\hline 
H$\alpha$(n) -- 2005 March & 16501.1 $\pm$ 0.7 & 72 $\pm$ 1.7 &  1458 & 22.0 $\pm$ 0.5 & 51.7 $\pm$ 1.2 & 32.9 $\pm$ 0.7 & 77.1 $\pm$ 1.8 \\ 
H$\alpha$(b) -- 2005 March & 16439 $\pm$ 7     & 283 $\pm$ 16 &  5745 & 21.7 $\pm$ 0.7 & 51.0 $\pm$ 1.6 & 32.4 $\pm$ 1.0 & 76.1 $\pm$ 2.4  \\ 
H$\beta$(n)  -- 2005 March & 12255 $\pm$ 5     & 54 $\pm$ 1.2 &  1458 & 2.97 $\pm$ 0.3 & 12.0 $\pm$ 1.2 & 4.4 $\pm$ 0.4 & 17.9 $\pm$ 0.6  \\ 
H$\beta$(b)  -- 2005 March & 12209 $\pm$ 5     & 210 $\pm$ 12 &  5745 & 3.74 $\pm$ 0.8 & 15.1 $\pm$ 3.2 & 5.6 $\pm$ 1.2 & 23 $\pm$ 5  \\ 
H$\beta$(n)  -- 2007 Jan.   & 12254 $\pm$ 9     & 54 $\pm$ 1.2 &  1458 & 2.14 $\pm$ 0.4 &  8.6 $\pm$ 1.6 & 3.2 $\pm$ 0.6 & 13 $\pm$ 2  \\ 
H$\beta$(b)  -- 2007 Jan.  & 12208 $\pm$ 9     & 210 $\pm$ 12 &  5745 & 3.45 $\pm$ 0.9 & 13.9 $\pm$ 3.6 & 5.1 $\pm$ 1.3 & 21 $\pm$ 5  \\
\hline
\end{tabular}
\end{table}