\begin{table}%t2
\caption{\label{tab:linelum}Spectral-line and bolometric luminosities.}
%\centering
\par
\begin{tabular}{lccc}
\hline\hline \noalign{\smallskip}
Line        & $\lambda_{\rm rest}$  & Flux\tablefootmark{a}&Luminosity\\
            & ($\mu$m)              & ($\times10^{-17}$ W~m$^{-2}$)  & ($L_{\odot}$) \\
\hline\noalign{\smallskip}
\oi  & 63.18  & $3\sigma<4.5$ & $3\sigma<14.9\times 10^9$\\
\oiii& 88.36  & $3\sigma<2.4$ & $3\sigma<8.0\times 10^9$\\
\nii & 122.10 & $3\sigma<1.4$ & $3\sigma<4.7\times 10^9$ \\
\oi  & 145.53 & $3\sigma<2.5$ & $3\sigma<8.5\times 10^9$ \\
\cii & 157.74 & $1.7\pm 0.4$  & $(5.5\pm 1.3)\times 10^9$ \\
CO(1--0)& 2602.6& $2.14\pm 0.12$\tablefootmark{b}&$(8.0\pm 0.4)\times 10^5$ \\
$L_{\rm bol}$ & ...    & ...          & $(2.3\pm 0.2)\times 10^{12}$\\
\hline
\end{tabular}
\tablefoot {\tablefoottext{a}{Line width constrained to instrumental resolution;}
\tablefoottext{b}{Jy~km~s$^{-1}$.}}
\end{table}