\begin{table}%ta2
\caption{\label{TabFitHNC}HNC (0--1) absorption line analysis products.}
%\centerline
{\small
\begin{tabular}{l  c  c  c   c }
\hline\hline
 \tablefootmark{a}     & $\upsilon_0$         & $\Delta \upsilon$    & $\tau_0$& $N$(HNC)        \\
Source      & (\kms) & (\kms) &         & ($10^{12}$ cm$^{-2}$) \\
\hline
{\bf G10.62-0.38} &  11.62  &1.72 $\pm$ 0.22& 0.19 $\pm$ 0.02 &  0.72 $\pm$  0.17  \\
                  &  14.42  &1.23 $\pm$ 0.42& 0.09 $\pm$ 0.02 &  0.24 $\pm$  0.14  \\
                  &  16.38  &1.30 $\pm$ 0.05& 1.43 $\pm$ 0.07 &  4.02 $\pm$  0.33  \\
                  &  19.16  &2.01 $\pm$ 0.15& 0.50 $\pm$ 0.03 &  2.19 $\pm$  0.27  \\
                  &  22.20  &2.15 $\pm$ 0.28& 0.38 $\pm$ 0.06 &  1.76 $\pm$  0.51  \\
                  &  22.95  &1.17 $\pm$ 0.13& 1.21 $\pm$ 0.08 &  3.06 $\pm$  0.57  \\
                  &  24.98  &2.05 $\pm$ 0.35& 0.13 $\pm$ 0.02 &  0.60 $\pm$  0.18  \\
                  &  27.80  &1.50 $\pm$ 0.07& 1.18 $\pm$ 0.08 &  3.82 $\pm$  0.44  \\
                  &  29.10  &1.32 $\pm$ 0.18& 1.16 $\pm$ 0.10 &  3.84 $\pm$  0.85  \\
                  &  30.25  &1.13 $\pm$ 0.07& 1.23 $\pm$ 0.10 &  3.02 $\pm$  0.41  \\
                  &  31.90  &2.31 $\pm$ 0.37& 0.45 $\pm$ 0.03 &  2.28 $\pm$  0.50  \\
                  &  34.00  &1.08 $\pm$ 0.22& 0.32 $\pm$ 0.04 &  0.76 $\pm$  0.25  \\
                  &  35.35  &1.02 $\pm$ 0.13& 0.53 $\pm$ 0.05 &  1.16 $\pm$  0.26  \\
                  &  36.51  &1.22 $\pm$ 0.10& 0.81 $\pm$ 0.05 &  2.12 $\pm$  0.31  \\
                  &  38.80  &2.16 $\pm$ 0.18& 0.72 $\pm$ 0.03 &  3.38 $\pm$  0.45  \\
                  &  40.91  &1.30 $\pm$ 0.05& 2.16 $\pm$ 0.14 &  6.10 $\pm$  0.63  \\
                  &  44.94  &1.30 $\pm$ 0.10& 0.34 $\pm$ 0.03 &  0.95 $\pm$  0.15  \\
\\
{\bf G34.3+0.1}   &  10.60  &0.58 $\pm$ 0.13& 0.15 $\pm$ 0.03 &  0.19 $\pm$  0.08  \\
                  &  11.80  &1.45 $\pm$ 0.15& 0.28 $\pm$ 0.02 &  0.85 $\pm$  0.15  \\
                  &  27.00  &1.05 $\pm$ 0.07& 0.48 $\pm$ 0.03 &  1.06 $\pm$  0.13  \\
\\
{\bf W49N}        &  33.50  &1.77 $\pm$ 0.17& 0.12 $\pm$ 0.01 &  0.39 $\pm$  0.06  \\
                  &  38.50  &1.68 $\pm$ 0.10& 0.22 $\pm$ 0.01 &  0.70 $\pm$  0.08  \\
                  &  39.70  &0.95 $\pm$ 0.02& 1.46 $\pm$ 0.04 &  2.63 $\pm$  0.11  \\
                  &  50.92  &0.53 $\pm$ 0.15& 0.06 $\pm$ 0.01 &  0.06 $\pm$  0.03  \\
                  &  54.00  &2.85 $\pm$ 0.32& 0.09 $\pm$ 0.01 &  0.47 $\pm$  0.09  \\
                  &  56.70  &1.78 $\pm$ 0.18& 0.10 $\pm$ 0.01 &  0.32 $\pm$  0.06  \\
                  &  59.40  &2.01 $\pm$ 0.08& 0.44 $\pm$ 0.01 &  1.67 $\pm$  0.11  \\
                  &  60.90  &0.97 $\pm$ 0.13& 0.08 $\pm$ 0.01 &  0.15 $\pm$  0.04  \\
                  &  62.60  &2.15 $\pm$ 0.08& 0.39 $\pm$ 0.01 &  1.58 $\pm$  0.11  \\
\hline \noalign{\smallskip}
 \tablefootmark{b}     & $\upsilon_{\rm min}$ & $\upsilon_{\rm max}$ & $\int \tau {\rm d}\upsilon$   &  $N$(HNC) \\
Source      & (\kms) & (\kms) & (\kms) & ($10^{12}$ cm$^{-2}$) \\
\hline
{\bf G10.62-0.38} & 46.0 & 47.0 & $<$0.03         & $<$0.07                 \\
\\
{\bf G34.3+0.1}   &  9.0 & 10.1 & $<$0.03         & $<$0.06                 \\
                  & 13.3 & 14.7 & $<$0.04         & $<$0.07                 \\
                  & 46.0 & 50.0 & $<$0.06         & $<$0.11                 \\
\\
{\bf W49N}        & 35.0 & 37.0 &      0.09 $\pm$  0.02 &      0.16 $\pm$  0.04 \\
                  & 41.0 & 47.0 &      0.11 $\pm$  0.04 &      0.19 $\pm$  0.06 \\
                  & 65.0 & 67.3 &      0.10 $\pm$  0.02 &      0.18 $\pm$  0.04 \\
                  & 67.3 & 69.7 &      0.07 $\pm$  0.02 &      0.12 $\pm$  0.04 \\
                  & 69.7 & 72.5 & $<$0.02         & $<$0.04                 \\  
\\
{\bf W51}         &  3.0 &  5.5 &      0.09 $\pm$  0.05 &      0.17 $\pm$  0.10 \\
                  &  5.5 &  9.5 &      0.09 $\pm$  0.06 &      0.18 $\pm$  0.12 \\
                  & 11.0 & 14.0 & $<$0.06         & $<$0.11                 \\
\hline
\end{tabular}}
\tablefoot{\tablefoottext{a}{Same as Table \ref{TabFitHCOp}.}
\tablefoottext{b}{Same as Table \ref{TabFitHCOp}.}}
\end{table}