\begin{table}%t1
%\centering
\par
\caption{\label{Table1}Spectroscopic measurements for Mrk~231.}    \vspace{-2mm}         
\begin{tabular}{r ccccc}
\hline\hline\noalign{\smallskip}
Transition\tablefootmark{a,}\tablefootmark{b} & Line flux  & Line flux error\tablefootmark{c} & Equivalent width & Measured $FWHM$ & Inferred $FWHM$\tablefootmark{d}\\ 
& 10$^{-17}$~W~m$^{-2}$& 10$^{-17}$~W~m$^{-2}$ & 10$^{-3}$~$\mu$m & km~s$^{-1}$ & km~s$^{-1}$ \\
\hline
[N III] 57.3~$\mu$m & 2.8  & 0.6 & --1.0 & 203 & 177\\
\protect{[O I]} 63.2~$\mu$m & 36.0 & 2.6 & --17.0 & 232 & 218\\  
\protect{[O III]} 88.4~$\mu$m & 4.1 & 0.6 & --3.8 & 311 & 289\\
\protect{[N II]} 121.9~$\mu$m & 4.1 & 0.5 & --10.4 & 389 & 266\\
\protect{[O I]} 145.5~$\mu$m & 3.2 & 0.4 & --17.9 & 324 & 208\\
\protect{[C II]} 157.7~$\mu$m & 38.3 & 1.3 & --296.0 & 337 & 247\\
\protect{[N II]} 205.2~$\mu$m\tablefootmark{e} & 2.6 & 0.2 & --61.0 & 524 & 242\\
\protect{OH} 79.1, 79.2~$\mu$m & --22.8 & 1.0 & 15.3 & -- & --\\
$ $ & 3.2 & 0.6 & --2.1 & -- & --\\
OH 119.2, 119.4~$\mu$m & --47.6 & 0.3 & 107.4 & -- & --\\
$ $ & 9.4 & 0.3 & --21.6 & -- & --\\
$^{18}$OH 120.0, 120.2~$\mu$m & --14.7 & 0.2 & 34.3 & -- & --\\
$ $ & 1.7 & 0.2 & --4.0 & -- & --\\
H$_2$O 78.7~$\mu$m & --18.0 & 0.1 & 12.2 & 444 & 422\\
HF/H$_2$O 121.7~$\mu$m & --4.7 & 0.4 & 11.8 & 560 & 483\\
\hline                  
\end{tabular} 
\tablefoot{\tablefoottext{a}{For doublets, fluxes listed are for the blended pair;} \tablefoottext{b}{for transitions with both absorption and emission, the absorption component is listed first;}
\tablefoottext{c}{errors listed are the statistical rms uncertainties;  we allow 25\% calibration uncertainties (see text);}
\tablefoottext{d}{inferred velocity width is based on the instrument resolution assuming a Gaussian profile;  $FWHM$s are not listed for doublets;}
\tablefoottext{e}{{{\it Herschel}} SPIRE data~(V10).}}\vspace*{-3mm}
\end{table}