\begin{table}%t4
\caption{\label{T4}Fundamental frequencies and phases for the orbital solution in  Table~\ref{T2}.} 
 %\centering
  \begin{tabular}{crr r r}
 \hline\hline\noalign{\smallskip}
      & Frequency   & Period &\multicolumn{2}{r}{Phase}\\
      & deg/yr & yr & \multicolumn{2}{r}{deg}\\
 \hline
      $n_b$ &  2154.322532 &   0.167106 & $\quad \quad \lambda_{b0}$ & 36.0925 \\
      $n_c$ &  4349.841605 &   0.082762 & $\lambda_{c0}$ &158.1879\\
      $n_d$ & 67852.886097 &   0.005306 & $\lambda_{d0}$ & 29.6886\\
      $g_1$ &     1.003492 & 358.747259 & $\phi_1$ &170.0005 \\
      $g_2$ &   --41.196550 &   8.738596 & $\phi_2$ &-86.0030 \\
      $g_3$ &     0.555047 & 648.593233 & $\phi_3$ & 89.8880 \\
      $s_1$ &    --1.021110 & 352.557387 & $\psi_1$ &  3.9446\\
      $s_2$ &    --3.624680 &  99.319103 & $\psi_2$ & 64.1066\\
 $l_\theta$ &   245.918001 &   1.463903 & $\theta_0$ & -48.6812\\ 
 \hline
\end{tabular}
\tablefoot{$n_b$, $n_c$ and $n_d$ are the mean motions, $g_1$, $g_2$ and $g_3$ the main secular frequencies of the periastrons, $s_1$ and $s_2$ the main secular frequencies of the nodes, and $l_\theta$ the libration frequency of the resonant angles.}
 \label{tab.freq}
\end{table}