\begin{table}%t7
\caption{Frequency estimates for $r$-modes (Eqs.~(\ref{eqn2}) and~(\ref{eqn3})) and equatorially trapped Rossby waves (Eq.~(\ref{eqn4})), calculated with $\nu_{\rm S}=455~{\rm nHz}$.}\label{tab7} 
%\centering
\par
\begin{tabular}{rrrr|rr|rr}
\hline\hline
  $l$ &   $m$ & $\nu_{l,m,{\rm syn}}$ & $\nu_{l,m,{\rm rot}}$ & $m$ & $\nu_{m,{\rm rot}}$ & $m$ & $\nu_{m,{\rm rot}}$   \\ 
\hline
  1  &    1  &   $-$31.7              &     455    &     1   &  448 &     20   &  45.4  \\
  2  &    1  &    272               &     152    &     2   &  362 &     21   &  43.2  \\
  2  &    2  &    543               &     303    &     3   &  272 &     22   &  41.3  \\
  3  &    1  &    347               &    75.8    &     4   &  214 &     23   &  39.5  \\
  3  &    3  &    1042              &     228    &     5   &  175 &     24   &  37.8  \\
  4  &    1  &    378               &    45.5    &     6   &  147 &     25   &  36.3  \\
  4  &    4  &   1511               &     182    &     7   &  127 &     26   &  34.9  \\ 
  5  &    1  &    393               &    30.3    &     8   &  112 &     27   &  33.7  \\
  5  &    5  &    1965              &    152     &     9   &  100 &     28   &  32.5  \\ 
  6  &    1  &    402               &    21.7    &    10   &  90.1 &    29   &  31.3  \\
  6  &    6  &    2410              &    130     &    11   &  82.0 &    30   &  30.3  \\ 
  7  &    1  &    407               &    16.3    &    12   &  75.3 &    31   &  29.3  \\ 
  7  &    7  &    2849              &    114     &    13   &  69.6 &    32   &  28.4  \\
  8  &    1  &    411               &    12.6    &    14   &  64.7 &    33   &  27.5  \\
  8  &    8  &    3285              &    101     &    15   &  60.4 &    34   &  26.7  \\
  9  &    1  &    413               &    10.1    &    16   &  56.6 &    35   &  26.0  \\
  9  &    9  &    3718              &    91.     &    17   &  53.3 &    36   &  25.3  \\  
 10  &    1  &    415               &    8.27    &    18   &  50.4 &    37   &  24.6  \\
 10  &   10  &    4150              &   82.7     &    19   &  47.8 &    38   &  23.9  \\
\hline
\end{tabular}
\end{table}