\begin{table}%t3 %\centering \small \caption{\label{tab:cool}Origin of line emission and cooling rates of various species for the HH 46 central spaxel.}\vspace*{-2mm} \begin{tabular}{l r l} \hline \hline Species & Cooling & Origin\\ & 10$^{-3}$ $L_\odot$ \\ \hline CO & \phantom{$>$}0.1 & Passively heated envelope \\ CO & \phantom{$>$}3.8 & UV-heated cavity walls \\ CO & \phantom{$>$}2.8 & $C$-type shocks \\ H$_2$O & \phantom{$>$}0.1 & Passively heated envelope \\ H$_2$O & \phantom{$>$}5.0 & UV or $C$-type shocks\\ %H$_2$O & 0.1 & $C$-type shocks \\ \ion{O}{i} & \phantom{$>$}9.5 & $J$-type shock \\ OH & $>$2.4 & $J$-type shock \\ \ion{C}{ii} & \phantom{$>$}0.1 & Surrounding cloud \\ \hline Total & $>$23.8 \\ \hline \end{tabular}%\vspace*{-3mm} \end{table}