\begin{table}%t4
\caption{\label{llumtable}Comparison of line luminosities of OJ~287 to
those of quasars and Seyfert galaxies.}
%\centering
\par
\begin{tabular}{llll}
\hline\hline
     & \multicolumn{3}{c}{Log $L$}\\
Line & OJ~287 & Quasars & Seyferts\\
\hline
H$\alpha$ broad & 41.8 & 42.9 $\pm$ 0.4 & 43.1 $\pm$ 0.3\\
$\lambda$6548[NII] & 40.8 & 41.3 $\pm$ 0.8 & \ldots \\
$\lambda$6583[NII] & 41.2 & 41.4 $\pm$ 0.7 & \ldots \\
\hline
\end{tabular}
\end{table}