\begin{table}%t2
%\centering
\par
\caption{Summary of the column densities of the different energy
levels of H$_2$ in the spectrum of \hd.\label{tab_H2}}
\begin{tabular}{lcccc}
\hline
\hline
 H$_2$  & $v$ & $g$  & Energy      &             $N$             \\
        &   &    & (cm$^{-1}$) &         (cm$^{-2}$)       \\
\hline
  $J=0$   & 0 & 1  &  0.00       & 2.19$_{-0.71}^{+0.77} \times 10^{20}$   \\
  $J=1$   & 0 & 9  &  118.49     & 2.09$_{-0.62}^{+1.08} \times  10^{20}$   \\
  $J=2$   & 0 & 5  &  354.39     & 6.61$_{-2.82}^{+5.49}  \times 10^{18}$    \\
  $J=3$   & 0 & 21 &  705.50     & 1.99$_{-1.69}^{+5.44}  \times 10^{17}$   \\
  $J=4$   & 0 & 9  & 1168.53     & 5.01$_{-1.74}^{+4.50}  \times 10^{15}$  \\
  $J=5$   & 0 & 33 & 1739.11     & 3.98$_{-1.90}^{+8.42}  \times 10^{15}$    \\
  $J=6$   & 0 & 13 & 2411.77     & 1.82$_{-0.82}^{+0.60}  \times 10^{14}$  \\
  $J=7$   & 0 & 45 & 3179.93     & 9.77$_{-5.49}^{+7.03}  \times 10^{13}$  \\
  $J=8$   & 0 & 17 & 4035.93     &3.98$_{-2.57}^{+16.92}  \times 10^{12}$   \\
  %      &   &    &             &                                       \\
  $J=0$   & 1 & 1  & 4161.00     & 1.99$_{-1.16}^{+1.47} \times  10^{13}$   \\
  $J=1$   & 1 & 9  & 4274.00     & 4.79$_{-1.93}^{+2.62} \times  10^{13}$   \\
  $J=2$   & 1 & 5  & 4498.00     & 3.71$_{-1.83}^{+2.06}  \times 10^{13}$  \\
  $J=3$   & 1 & 21 & 4831.00     & 4.47$_{-2.63}^{+2.56} \times  10^{13}$  \\ 
  $J=4$   & 1 & 9  & 5271.00     & 1.00$_{-0.70}^{+0.79} \times  10^{13}$  \\ 
\hline
total   &   &    &             & 4.35$_{-1.36}^{+1.91} \times 10^{20}$  \\ 
\hline
\end{tabular}
\end{table}