\begin{table}%T2
%\centering
\par
\caption{Pure rotational H$_2$ line parameters: central wavelength,
energy of the upper level (in Kelvin), Einstein $A$-coefficient. From
\citet{thi2001}.}
\label{tab:h2}
\begin{tabular}{cccc}
\hline
\hline
 transition & Wavelength ($\micron$) & $E_{\rm up}$ (K) & $A$-coefficient
(s$^{-1}$)\\
\hline
\par
S(0) $2\rightarrow 0$  &  28.218     &  509.88      &$2.94\times 10^{-11}$\\
S(1) $3\rightarrow 1$  &  17.035     &  1015.12     &$4.76\times 10^{-10}$\\
S(2) $4\rightarrow 2$  &  12.278     &  1814.43     &$2.76\times 10^{-9}$ \\
S(3) $5\rightarrow 3$  &  9.662      &  2503.82     &$9.84\times 10^{-9}$ \\
\hline
\end{tabular}
\end{table}