\begin{table}%t1
 \caption{\label{tab:gas-lines}Peak wavelengths and line fluxes for the identified gas lines between 60 and 190~$\mu$m.} \vspace*{-2mm}
\small%\centering
\par
\begin{tabular}{@{}rrrr@{}}
\hline\hline\noalign{\smallskip}
Species    &   Transition  & Peak                    & Lineflux \\
        &               &  [$\mu${m}]  & $10^{-17}~[{\rm W/m}^2]$\\
\hline\noalign{\smallskip}
${\rm [O~{\sc i}]}$ &      $^3{\rm P}_1{-}^3{\rm P}_2$ &   63.19 & $ 554.37~\pm~ 5.0$\\
${\rm [O~{\sc i}]}$ &      $^3{\rm P}_0{-}^3{\rm P}_1$ &  145.54 & $  35.70~\pm~ 1.3$\\
${\rm [C~{\sc ii}]}$ &  $^2{\rm P}_{3/2}{-}^2{\rm P}_{1/2}$ &  157.75 & $ 31.87~\pm~ 1.0$\\
CO &     $J=14{-}13 $&  186.01 & $   7.42~\pm~ 0.9$\\
CO &     $J=15{-}14 $&  173.64 & $  11.50~\pm~ 0.8$\\
CO &     $J=16{-}15 $&  162.82 & $   8.25~\pm~ 0.9$\\
CO &     $J=17{-}16 $&  153.28 & $  10.49~\pm~ 0.8$\\
CO &     $J=18{-}17 $&  144.79 & $   9.85~\pm~ 1.0$\\
CO &     $J=19{-}18 $&  137.21 & $   8.86~\pm~ 0.7$\\
CO &     $J=20{-}19 $&  130.38 & $   7.10~\pm~ 0.7$\\
CO &     $J=21{-}20 $&  124.18 & $   5.94~\pm~ 0.6$\\
CO &     $J=22{-}21 $&  118.59 & $   5.92~\pm~ 0.9$\\
CO\tablefootmark{1}&     $J=23{-}22 $&  113.47 & $   4.76~\pm~ 1.2$\\
CO &     $J=24{-}23 $&  108.77 & $  10.56~\pm~ 1.3$\\
CO &     $J=26{-}25 $&  100.47 & $  12.71~\pm~  2.4$\\
CO &     $J=27{-}26 $&   96.78 & $  10.20~\pm~ 1.4$\\
CO &     $J=28{-}27 $&   93.35 & $  10.00~\pm~  1.0$\\
CO &     $J=29{-}28 $&   90.17 & $  11.83~\pm~ 1.6$\\
CO &     $J=30{-}29 $&   87.19 & $   8.46~\pm~ 1.0$\\
CO\tablefootmark{1} &     $J=31{-}30 $&   84.40 & $   4.90~\pm~ 1.5$\\ %OH dublet model
OH    & 3/2,~ $9/2^+{-}7/2^-$ &   65.29 & $  10.00~\pm~ 1.5$\\
OH\tablefootmark{1} &1/2,~ $7/2^-{-}5/2^+$ &   71.17 & $   9.17~\pm~ 1.4$\\
OH\tablefootmark{1} &1/2,~ $7/2^+{-}5/2^-$ &   71.22 & $  10.10~\pm~ 1.1$\\
OH\tablefootmark{1}  &3/2,~ $7/2^+{-}5/2^-$ &   84.42 & $   14.96~\pm~ 1.7$\\
OH    &3/2,~ $7/2^-{-}5/2^+$ &   84.59 & $  14.96~\pm~ 1.5$\\
OH    &1/2,~ $5/2^+{-}3/2^-$ &   98.73 & $   8.74~\pm~ 1.5$\\
OH    &1/2,~ $3/2^-{-}1/2^+$ &  163.41 & $   2.60~\pm~ 0.6$\\
p-H2O &   $ 3_{22}{-}2_{11} $ &   90.00 & $  14.32~\pm~ 1.2$\\
o-H2O\tablefootmark{1} &   $ 4_{14}{-}3_{03} $ &  113.53 & $   3.64~\pm~ 0.9$\\
o-H2O &   $ 3_{30}{-}3_{21} $ &  136.48 & $   4.52~\pm~ 0.7$\\
p-H2O &   $ 3_{13}{-}2_{02} $ &  138.54 & $   3.17~\pm~ 0.7$\\
o-H2O &   $ 2_{12}{-}1_{01} $ &  179.54 & $   5.53~\pm~ 0.8$\\
\hline
\end{tabular}\vspace*{-1mm}
\tablefoot{Only the formal errors are given, not including systematic errors due to the PACS spectral response function. \tablefoottext{1}{Deblended lines, CO not used in rotational diagram.}}\vspace*{-3mm}
\end{table}