\begin{table}%t4
%\centering
\par
\caption{\small Main characteristic frequencies (in Hz) for the bottom branch of the HID.}
\begin{tabular}{lcccc}
\hline
\hline
Obs \# & $\nu_1$     &  $\nu_2$         &   $\nu_3$     & $\nu_{Q}$  \\
\hline
\multicolumn{5}{c}{Bottom branch}\\
\hline
\par
149 &2.91~$\pm$~0.21    & ...             &        ...       & 8.59~$\pm$~0.18    \\
149b&1.87~$\pm$~0.10    & 5.42~$\pm$~0.80   &        ...       & 8.02~$\pm$~0.04    \\
149c&2.58~$\pm$~0.19    & ...             &        ...       &     ...          \\
149d&3.24~$\pm$~0.44    & ...             &        ...       &     ...          \\
149e&3.13~$\pm$~0.28    & ...             &        ...       &     ...          \\
149f&3.19~$\pm$~0.49    & ...             &        ...       & 6.72~$\pm$~0.06    \\
149g&3.39~$\pm$~0.22    & ...             &        ...       & 6.77~$\pm$~0.02    \\
149h&    ...          & ...             &        ...       &     ...          \\
151 &2.71~$\pm$~0.11    & ...             &        ...       & 8.03~$\pm$~0.06    \\
150 &3.04~$\pm$~0.24    & ...             &        ...       & 8.10~$\pm$~0.13    \\
152 &4.00~$\pm$~0.57    & ...             &        ...       & 7.77~$\pm$~0.09    \\
152b&2.82~$\pm$~0.37    & ...             &        ...       &     ...          \\
153 &3.33~$\pm$~0.21    & ...             &        ...       &     ...          \\
153b&3.84~$\pm$~0.56    & ...             &        ...       &     ...          \\
153c&    ...          & ...             &        ...       &     ...          \\
154 &    ...          & ...             &        ...       &     ...          \\
154b&    ...          & ...             &        ...       &     ...          \\
154c&3.37~$\pm$~0.29    & ...             &        ...       &     ...          \\
154g&3.01~$\pm$~0.26    & ...             &        ...       &     ...          \\
154d&3.13~$\pm$~0.53    & ...             &        ...       &     ...          \\
154e&3.81~$\pm$~0.49    & ...             &        ...       & 6.12~$\pm$~0.10    \\
154f&1.09~$\pm$~0.09    & 6.64~$\pm$~1.20   &        ...       & 4.74~$\pm$~0.07    \\
155 &0.67~$\pm$~0.06    & 4.22~$\pm$~0.86   &        ...       & 2.85~$\pm$~0.07    \\
155b&0.44~$\pm$~0.08    & 2.86~$\pm$~0.48   &        ...       &     ...          \\
155c&0.48~$\pm$~0.21    & 2.53~$\pm$~0.87   &        ...       &     ...          \\
156 &0.22~$\pm$~0.02    & 1.90~$\pm$~0.10   &        ...       &     ...          \\
156b&0.24~$\pm$~0.03    & 1.45~$\pm$~0.20   &        ...       &     ...          \\
157 &0.18~$\pm$~0.03    & 1.48~$\pm$~0.08   &        ...       &     ...          \\
157b&0.27~$\pm$~0.03    & 1.90~$\pm$~0.44   &        ...       &     ...          \\
158 &0.20~$\pm$~0.05    & 1.33~$\pm$~0.19   &        ...       &     ...          \\
159 &0.22~$\pm$~0.02    & 1.15~$\pm$~0.08   &        ...       &     ...          \\
158b&0.28~$\pm$~0.02    & 1.22~$\pm$~0.05   & 6.13~$\pm$~0.56    &     ...          \\
159b&0.23~$\pm$~0.02    & 1.17~$\pm$~0.06   & 6.31~$\pm$~0.69    &     ...          \\
159c&0.14~$\pm$~0.05    & 1.25~$\pm$~0.02   &        ...       &     ...          \\
160 &0.36~$\pm$~0.06    & 2.44~$\pm$~0.24   &        ...       &     ...          \\
161 &0.14~$\pm$~0.03    & 1.40~$\pm$~0.39   &        ...       &     ...          \\
161b&0.13~$\pm$~0.04    & 0.85~$\pm$~0.21   &        ...       &     ...          \\
162 &0.12~$\pm$~0.03    & 2.11~$\pm$~0.58   &        ...       &     ...          \\
162b&0.23~$\pm$~0.05    & 2.92~$\pm$~1.29   &        ...       &     ...          \\
163 &0.11~$\pm$~0.01    & 1.84~$\pm$~0.32   &        ...       &     ...          \\
162c&0.18~$\pm$~0.03    & 3.17~$\pm$~0.18   &        ...       &     ...          \\
163b&0.13~$\pm$~0.03    & 1.21~$\pm$~0.04   &        ...       &     ...          \\
163c&0.23~$\pm$~0.06    & 1.85~$\pm$~0.62   &        ...       &     ...          \\
164 &0.06~$\pm$~0.01    & 1.33~$\pm$~0.31   &        ...       &     ...          \\
\hline
\end{tabular}
\end{table}