\begin{table}%T10
\caption{\label{tab:fou2dsecondary}Frequency search and mode identification. Summary of the weighted F2D analysis for the secondary component. }
\small%\centerline
{
\begin{tabular}{cccc}
\hline\hline
\noalign{\smallskip}
      d$^{-1}$        &  FPF frequency & app.  $\left | m \right |$ & $\ell$\\
           (1) 		  &		(2)	     &		(3)			   &  (4) \\\hline
        19.                 &   $f_{2b}$		& 2	& 0 \\
        12. 		  &   $f_1$			& 4    & 2 or 3 \\  \hline         
\end{tabular}}
\smallskip
(1) Frequency; (2) corresponding FPF frequency; (3) apparent $\left | m \right |$; (4)~expected $\ell$ value.
\end{table}