\begin{table}%t2
\caption{\label{tab:1ext}Line fluxes observed towards HH~46 with PACS\tablefootmark{a}.}
%\centerline
$${
\begin{tabular}{lc r@{\extracolsep{0pt}}c ccccc}
\hline \hline
& & & & & Central Spaxel & Red Outflow & Blue Outflow & All 25 Spaxels \\
\multicolumn{5}{r}{Area (square arcsec)} &  88 & 530 & 530 & 2200 \\
Species & Transition & & $\lambda_{\rm lab}$ & $E_{\rm{u}}/k_{\rm B}$ & Flux & Flux & Flux & Flux \\
        &            & & ($\mu$m)            & (K)                    & \multicolumn{4}{c}{($10^{-18}$ W m$^{-2}$)} \\
\hline
CO     & 14--13                               & &           185.999 & \phantom{0}580.5 & $\phantom{0}48\pm4$\phantom{:}   & $\phantom{0}27\pm2$\phantom{:} & $18\pm2$                       & $108\pm7$\phantom{0} \\ 
       & 16--15                               & &           162.812 & \phantom{0}751.7 & $\phantom{0}46\pm5$\phantom{:}   & $\phantom{0}27\pm2$\phantom{:} & $13\pm3$                       & $\phantom{^{\rm b}}80\pm8$\tablefootmark{b} \\ 
       & 18--17                               & &           144.784 & \phantom{0}945.0 & $\phantom{0}71\pm7$\phantom{:}   & $\phantom{0}27\pm2$\phantom{:} & \phantom{00}$<$14              & $\phantom{^{\rm b}0}67\pm30$\tablefootmark{b} \\ 
       & 22--21                               & &           118.581 &           1397.4 & $\phantom{0}33\pm7$\phantom{:}   & \phantom{00:}$<$34             & \phantom{00}$<$27              & $44\pm8$ \\ 
       & $\phantom{^{\rm c}}$23--22\tablefootmark{c} & &           113.458 &           1524.2 & $\phantom{00}78\pm11$\phantom{:} & $\phantom{0}15\pm3$\phantom{:} & \phantom{00}$<$14              & $\phantom{^{\rm b}0}78\pm13$\tablefootmark{b} \\ 
       & 24--23                               & &           108.763 &           1656.5 & $\phantom{0}18\pm6$\phantom{:}   & \phantom{00:}$<$14             & \phantom{00}$<$26              & $38\pm9$ \\ 
       & 29--28                               & & \phantom{0}90.163 &           2399.8 & $\phantom{0}18\pm3$\phantom{:}   & \phantom{00:}$<$26             & \phantom{00}$<$19              & $28\pm6$ \\ 
       & 30--29                               & & \phantom{0}87.190 &           2564.8 & $\phantom{0}25\pm4$:             & \phantom{00:}$<$14             & \phantom{00}$<$21              & \phantom{00}$<$55 \\
       & $\phantom{^{\rm d}}$31--30\tablefootmark{d} & & \phantom{0}84.411 &           2735.3 & $\phantom{0}74\pm6$\phantom{:}   & \phantom{00:}$<$31             & \phantom{00}$<$22              & $\phantom{^{\rm b}}55\pm7$\tablefootmark{b} \\ 
       & 32--31                               & & \phantom{0}81.806 &           2911.2 & \phantom{00:}$<$29               & \phantom{00:}$<$40             & \phantom{00}$<$40              & \phantom{00}$<$61 \\ 
       & 33--32                               & & \phantom{0}79.360 &           3092.5 & \phantom{00:}$<$17               & \phantom{00:}$<$27             & \phantom{00}$<$41              & \phantom{00}$<$57 \\ 
       & 36--35                               & & \phantom{0}72.843 &           3668.8 & \phantom{00:}$<$23               & \phantom{00:}$<$49             & \phantom{00}$<$51              & \phantom{0}$<$136 \\ 
\multicolumn{9}{c}{~} \\
H$_2$O     & 2$_{21}$--2$_{12}$                               & &           180.488 & \phantom{0}194.1 & \phantom{000:}$<$7               & \phantom{000:}$<$9             & \phantom{000}$<$9 & \phantom{00}$<$14 \\ 
           & 2$_{12}$--1$_{01}$                               & &           179.527 & \phantom{0}114.4 & $\phantom{00}4\pm2$:             & $\phantom{0}46\pm3$\phantom{:} & $16\pm2$          & $82\pm7$ \\ 
           & 3$_{03}$--2$_{12}$                               & &           174.626 & \phantom{0}196.8 & \phantom{00:}$<$22               & $\phantom{0}24\pm2$\phantom{:} & \phantom{00}$<$21 & $54\pm7$ \\ 
           & 3$_{13}$--2$_{02}$                               & &           138.528 & \phantom{0}204.7 & $\phantom{0}14\pm4$\phantom{:}   & $\phantom{0}18\pm3$:           & \phantom{00}$<$10 & $34\pm8$ \\ 
           & 4$_{04}$--3$_{13}$                               & &           125.354 & \phantom{0}319.5 & \phantom{00:}$<$18               & \phantom{000:}$<$6             & $14\pm3$          & \phantom{00}$<$24 \\ 
           & $\phantom{^{\rm c}}$4$_{14}$--3$_{03}$\tablefootmark{c} & &           113.537 & \phantom{0}323.5 & $\phantom{00}78\pm11$\phantom{:} & $\phantom{0}15\pm3$\phantom{:} & \phantom{00}$<$14 & $\phantom{^{\rm b}0}78\pm13$\tablefootmark{b} \\ 
           & 2$_{21}$--1$_{10}$                               & &           108.073 & \phantom{0}194.1 & $\phantom{0}17\pm7$\phantom{:}   & $\phantom{0}16\pm3$:           & $21\pm4$          & $\phantom{0}64\pm11$ \\ 
           & $3_{22}$--$2_{11}$                               & & \phantom{0}89.988 & \phantom{0}296.8 & \phantom{00:}$<$27               & \phantom{00:}$<$22             & \phantom{00}$<$49 & \phantom{0}$<$110 \\ 
           & 8$_{18}$--7$_{07}$                               & & \phantom{0}63.324 &           1070.7 & \phantom{00:}$<$33               & \phantom{00:}$<$10             & \phantom{00}$<$22 & \phantom{00}$<$43 \\ 
\multicolumn{9}{c}{~} \\
OH\tablefootmark{e} & \multirow{2}{*}{$\frac{1}{2}$,$\frac{3}{2}$--$\frac{1}{2}$,$\frac{1}{2}$}                               & \multirow{2}{*}{\bigg\{} &           163.396 & \phantom{0}269.8 & \phantom{00:}$<$27             & \phantom{000:}$<$4             & \phantom{000}$<$9 & \phantom{00}$<$10 \\ 
             &                                                                                                         &                          &           163.015 & \phantom{0}270.2 & $\phantom{0}22\pm4$\phantom{:} & \phantom{00:}$<$18             & \phantom{000}$<$5 & $20\pm4$ \\[1mm]
             & \multirow{2}{*}{$\frac{3}{2}$,$\frac{5}{2}$--$\frac{3}{2}$,$\frac{3}{2}$}                               & \multirow{2}{*}{\bigg\{} &           119.441 & \phantom{0}120.5 & $\phantom{0}44\pm7$\phantom{:} & $\phantom{0}49\pm5$\phantom{:} & \phantom{000}$<$7 & $\phantom{^{\rm b}0}86\pm12$\tablefootmark{b} \\ 
             &                                                                                                         &                          &           119.234 & \phantom{0}120.7 & $\phantom{0}38\pm9$\phantom{:} & $\phantom{0}25\pm4$\phantom{:} & \phantom{00}$<$19 & $\phantom{0}71\pm15$ \\[1mm] 
             & \multirow{2}{*}{$\phantom{^{\rm d}}$$\frac{3}{2}$,$\frac{7}{2}$--$\frac{3}{2}$,$\frac{5}{2}$\tablefootmark{d}} & \multirow{2}{*}{\bigg\{} & \phantom{0}84.597 & \phantom{0}290.5 & $\phantom{0}87\pm6$\phantom{:} & \phantom{00:}$<$14             & \phantom{00}$<$27 & $\phantom{0}95\pm10$ \\ 
             &                                                                                                         &                          & \phantom{0}84.420 & \phantom{0}291.2 & $\phantom{0}74\pm6$\phantom{:} & \phantom{00:}$<$31             & \phantom{00}$<$22 & $\phantom{^{\rm b}}55\pm7$\tablefootmark{b} \\ [1mm]
             & \multirow{2}{*}{$\frac{1}{2}$,$\frac{1}{2}$--$\frac{3}{2}$,$\frac{3}{2}$}                               & \multirow{2}{*}{\bigg\{} & \phantom{0}79.179 & \phantom{0}181.7 & $\phantom{0}38\pm5$\phantom{:} & \phantom{00:}$<$41             & \phantom{00}$<$37 & $\phantom{0}93\pm13$ \\ 
             &                                                                                                         &                          & \phantom{0}79.116 & \phantom{0}181.9 & $\phantom{0}55\pm7$\phantom{:} & \phantom{00:}$<$34             & \phantom{00}$<$35 & $\phantom{0}87\pm10$ \\ 
\multicolumn{9}{c}{~} \\
\ion{O}{i}  & $^3$P$_{0}$--$^3$P$_{2}$     & &           145.525 & \phantom{0}326.6 &  $\phantom{0}82\pm8$\phantom{:}  &  $\phantom{0}68\pm4$\phantom{:}  & $48\pm3$             &  $208\pm14$ \\ 
            & $^3$P$_1$--$^3$P$_2$         & & \phantom{0}63.184 & \phantom{0}227.7 &           $1260\pm54$\phantom{:} & $\phantom{0}186\pm28$\phantom{:} & $420\pm20$           &  $1870\pm80$\phantom{0} \\ 
            &                              & & \multicolumn{2}{c}{$\varv=-170$ km~s$^{-1}$\tablefootmark{f}}      & $\phantom{0}162\pm12$\phantom{:} & \phantom{0:}--                   & $90\pm8$             &  $282\pm51$ \\ 
            &                              & & \multicolumn{2}{c}{$\varv=+110$ km~s$^{-1}$\tablefootmark{f}}      & \phantom{0:}--                    & $1230\pm52$\phantom{:}           & \phantom{0}--        &  $1510\pm100$ \\ 
\multicolumn{9}{c}{~} \\
\ion{C}{ii} & $^2$P$_{3/2}$--$^2$P$_{1/2}$ & & 157.741           & \phantom{00}91.2 & $\phantom{0}73\pm6$\phantom{:}   & $\phantom{0}77\pm4$\phantom{:}   & $140\pm6$\phantom{0} &  $505\pm23$ \\ 
\hline
\end{tabular}}$$
\tablefoot{\tablefoottext{a}{Fluxes are measured from Gaussian fits. Lines marked with a colon are only weakly detected. Listed uncertainties are 68\% confidence intervals, upper limits are 95\% confidence intervals. The uncertainties do not include the 50\% error margin in the relative spectral response function.}
\tablefoottext{b}{The total flux is less than the combined flux from the central spaxel, the red outflow and the blue outflow. This is a result of higher noise in the spectrum summed over all spaxels, leading to a different fit and PSF over-correction.}
\tablefoottext{c}{The CO 23--22 and H$_2$O 4$_{14}$--3$_{03}$ lines at 113.5~$\mu$m are blended.}
\tablefoottext{d}{The CO 31--30 and OH $3/2$,$7/2$--$3/2$,$5/2$ lines at 84.4~$\mu$m are blended.}
\tablefoottext{e}{Doublet transitions.}
\tablefoottext{f}{Blue- and red-shifted components of the [\ion{O}{i}] 63.2~$\mu$m line. The blue component is not detected in the spaxels covering the red outflow, and vice versa. Futhermore, the red component is not detected in the central spaxel.}}
\end{table}