\begin{table}%tC.2
\caption{Weak $^{12}$C$^{16}$O line list used for the Sect.~\protect\ref{abunresults} study, consisting of 13~lines.  $\log gf$~data calculated from \protect\citet{GChack94}.}
\label{weaklines}
%\centering
\small
\begin{tabular}{l@{}c@{\hspace{2mm}}c@{\hspace{2mm}}c@{\hspace{2mm}}c@{\hspace{2mm}}c@{\hspace{2mm}}c@{\hspace{2mm}}c}
\hline  \hline
\multicolumn{2}{c}{Trans.} & Wavelength & $\sigma$ & $\log gf$ & Exc. & $W_\lambda$ & $\log\epsilon_{^{12}{\rm C}}$ \\
& & vac.~(nm) & (cm$^{-1}$) & & (eV) & (pm) & (3D) \\
\hline
    \multicolumn{2}{c}{1--0} & & & & & & \\ 
    P&96  & 6112.9978 & 1635.859 &$-$3.053 & 2.154 & 7.74 & 8.37 \\
    P&98  & 6162.3540 & 1622.757 &$-$3.046 & 2.242 & 6.72 & 8.38 \\
    R&98  & 4297.1649 & 2327.116 &$-$2.889 & 2.242 & 8.46 & 8.41 \\
    R&99  & 4297.8564 & 2326.741 &$-$2.883 & 2.286 & 7.72 & 8.39 \\
    R&100 & 4298.6396 & 2326.317 &$-$2.879 & 2.331 & 7.21 & 8.40 \\
    R&101 & 4299.5151 & 2325.844 &$-$2.873 & 2.376 & 6.69 & 8.39 \\
    R&103 & 4301.5437 & 2324.747 &$-$2.867 & 2.467 & 5.74 & 8.40 \\
    R&105 & 4303.9460 & 2323.449 &$-$2.857 & 2.560 & 4.95 & 8.40 \\
    R&107 & 4306.7253 & 2321.950 &$-$2.848 & 2.654 & 4.02 & 8.39 \\
    R&109 & 4309.8852 & 2320.247 &$-$2.842 & 2.750 & 3.38 & 8.40 \\
    \multicolumn{2}{c}{2--1} & & & & & & \\ 
    P&97  & 6225.7984 & 1606.220 &$-$2.755 & 2.443 & 7.67 & 8.39 \\
    P&98  & 6251.2034 & 1599.692 &$-$2.752 & 2.486 & 7.11 & 8.39 \\
    P&101 & 6329.1932 & 1579.980 &$-$2.742 & 2.619 & 5.61 & 8.38 \\
\hline
\end{tabular}
\end{table}