\begin{table}%tA.3
\small \caption{\DAMM\ line parameters with uncertainties (in brackets) from the hyperfine/Gaussian fits.}\label{tab:nh2d_line parameter}
%\centerline
{\begin{tabular}{lccc}
\hline\hline
& \multicolumn{3}{c}{\DAMM\ 85.93~GHz}\\
Source  & \multicolumn{1}{c}{\tdv$^a$} & \multicolumn{1}{c}{$\Delta v^b$} & \multicolumn{1}{c}{$\tau_{\rm tot}$$^c$}\\
\hline\noalign{\smallskip}
& \multicolumn{1}{c}{K~\kms} & \multicolumn{1}{c}{\kms} & \multicolumn{1}{c}{ } \\
\hline
G8.13+0.25      & 0.5     ($<$0.1)  & 1.3     (0.3)    & --             \\
                & 0.7     ($<$0.1)  & 1.8     (0.9)    & --             \\
G8.68-0.37      & --                & 1.2     (0.1)    & 2.2    (0.7) \\
G8.71-0.37      & --                & 1.1     ($<$0.1)  & 3.7    (0.6) \\
G10.21-0.31     & --                & 1.2     (0.1)    & 3.4    (1.4) \\
G10.21-0.32     & --                & 1.4     (0.1)    & 2.3    (1.0) \\
G10.61-0.33     & 0.3     ($<$0.1)  & 1.5     (0.2)    & --             \\
G11.11-0.12P1   & --                & 1.0     (0.1)    & 3.6    (1.5) \\
G11.11-0.12P4   & 0.4     (0.1)    & 1.3     (0.2)    & --             \\
G12.19-0.12     & 1.5     (0.1)    & 3.6     (0.5)    & --             \\
G13.18+0.06     & --                & 2.2     (0.1)    & 2.0    (0.5) \\
G18.17-0.30     & --                & 1.5     (0.1)    & 4.4    (1.1) \\
G18.21-0.34     & --                & 1.3     (0.1)    & 2.0    (0.8) \\
G23.41-0.23     & --                & 1.7     (0.2)    & 2.1    (1.3) \\
G23.44-0.18     & 1.4     (0.1)    & 3.1     (0.2)    & --             \\
G27.29+0.15     & 0.4     (0.1)    & 1.5     (0.4)    & --             \\
G28.34+0.06P2   & 1.2     (0.1)    & 1.8     (0.2)    & --             \\
G29.97-0.05     & --                & 1.4     (0.1)    & 3.0    (0.6) \\
G33.71-0.01     & 0.4     ($<$0.1)  & 1.6     (0.3)    & --             \\
G34.81-0.28     & 0.8     (0.1)    & 1.7     (0.1)    & --             \\
G35.19-1.73     & --                & 1.4     ($<$0.1)  & 2.7    (0.4) \\
G79.34+0.33     & --                & 1.0     (0.9)    & 1.1    (0.1) \\
G81.74+0.59     & --                & 2.8     (0.1)    & 1.5    (0.3) \\
\hline
\end{tabular}}
\smallskip
$^a$ Integrated intensity of the line from the Gaussian fits. $^b$~{\it FWHM}  from the hyperfine fits. $^c$~Total optical depth from the hyperfine fits.
\par
 Note: Similar notations are used for other molecules elsewhere in this paper. The parameter has been fixed for the fit for those entries with no error indicated.
\end{table}