\begin{table}%t3
    \caption{Einstein coefficients and upper level energies.}
    %\begin{center}
\par
      \begin{tabular}{lcrcr} 
        \hline \hline
        Molecule  & Transition            & Frequency &       $A_{ij}$          &  $E_{\emr{up}}$       \\[0.2mm]
                  &  $J,F{-}J',F'$          &       GHz & (s$^{-1}$)         &      (K)             \\
        \hline
        HCO    &  $1_{01}{-}0_{00}$\\
               & $3/2,2{-}1/2,1$ &   86.670760 &  $4.69 \times 10^{-6}$   &  4.2 \\
               & $3/2,1{-}1/2,0$ &   86.708360 &  $4.60 \times 10^{-6}$   &  4.2 \\
               & $1/2,1,1/2,0$ &   86.777460 &  $4.61 \times 10^{-6}$   &  4.2 \\  
               & $1/2,0{-}1/2,1$ &   86.805780 &  $4.71 \times 10^{-6}$   &  4.2 \\
                                %\hline
               &$2_{02}{-}1_{01}$\\
               & $5/2,3{-}3/2,2$ & 173.3773770 & $4.51 \times 10^{-5}$   &  12.5 \\
               & $5/2,2{-}3/2,1$ & 173.4060816 & $4.43 \times 10^{-5}$   &  12.5 \\ 
               & $3/2,2{-}1/2,1$ & 173.4430648 & $3.39 \times 10^{-5}$   &  12.5 \\  
                                %\hline
               & $3_{03}{-}2_{02}$\\
               & $7/2,4{-}5/2,3$ & 260.0603290 & $1.63 \times 10^{-4}$   &  25.0  \\
               & $7/2,3{-}5/2,2$ & 260.0821920 & $1.61 \times 10^{-4}$   &  25.0  \\
               & $5/2,3{-}3/2,2$ & 260.1335860 & $1.45 \times 10^{-4}$   &  25.0  \\
               & $5/2,2{-}3/2,1$ & 260.1557690 & $1.37 \times 10^{-4}$   &  25.0  \\
        \hline\\[-3.2mm]
        \HthCOp{} & \Jone{}    &   86.754288 & $3.2 \times 10^{-5}$    &   4.2   \\
                  & \Jthr{}    &   260.2553390      & $1.3 \times 10^{-3}$    &  25.0   \\
       %\HCOp{}   & \Jthr{}    &  $2.1 \times 10^{-4}$    &  xx25.0  \\
        \hline     
 \end{tabular}
 \label{tab:spec}
%\end{center}
\par
The line frequencies and intensities were extracted from the JPL \cite{pic98}
and CDMS (\citealt{mul01}, 2005) molecular spectroscopy data bases for HCO and 
\HthCOp{} respectively.
\end{table}