\begin{table}%ta3
\caption{\label{TabFitHCN}HCN (0--1) absorption line analysis products.}
%\centerline
{\small
\begin{tabular}{l  c  c  c  c }
\hline\hline
 \tablefootmark{a}     & $\upsilon_0$         & $\Delta \upsilon$    & $\tau_0$ & $N$(HCN)        \\
Source      & (\kms) & (\kms) &          & ($10^{12}$ cm$^{-2}$) \\
\hline
{\bf G10.62-0.38} &  44.97  &$0.92 \pm 0.03$& $1.45 \pm 0.07$ &  $5.40 \pm  0.45$  \\
\\
{\bf G34.3+0.1}   &  10.10  &$1.00 \pm 0.15$& $0.16 \pm 0.02$ &  $0.66 \pm  0.18$  \\
                  &  10.60  &$0.32 \pm 0.03$& $0.40 \pm 0.04$ &  $0.53 \pm  0.12$  \\
                  &  11.80  &$1.22 \pm 0.05$& $0.85 \pm 0.03$ &  $4.27 \pm  0.33$  \\
                  &  27.00  &$0.57 \pm 0.02$& $1.47 \pm 0.06$ &  $3.44 \pm  0.24$  \\
                  &  27.75  &$0.55 \pm 0.05$& $0.35 \pm 0.03$ &  $0.81 \pm  0.14$  \\
\\
{\bf W49N}        &  33.40  &$1.43 \pm 0.05$& $0.42 \pm 0.01$ &  $2.20 \pm  0.06$  \\
                  &  38.50  &$1.22 \pm 0.03$& $0.65 \pm 0.01$ &  $2.91 \pm  0.06$  \\
                  &  39.70  &$0.87 \pm 0.02$& $3.94 \pm 0.06$ & 1$2.51 \pm  0.18$  \\
                  &  51.00  &$1.00 \pm 0.17$& $0.11 \pm 0.01$ &  $0.40 \pm  0.11$  \\
                  &  54.00  &$2.50 \pm 0.20$& $0.24 \pm 0.01$ &  $2.23 \pm  0.21$  \\
                  &  56.60  &$1.83 \pm 0.15$& $0.28 \pm 0.01$ &  $1.85 \pm  0.22$  \\
                  &  59.40  &$1.50 \pm 0.05$& $1.35 \pm 0.02$ &  $7.44 \pm  0.10$  \\
                  &  60.90  &$0.83 \pm 0.05$& $0.64 \pm 0.02$ &  $1.96 \pm  0.05$  \\
                  &  62.55  &$1.83 \pm 0.05$& $1.15 \pm 0.01$ &  $7.73 \pm  0.09$  \\
\\
{\bf W51}         &   5.00  &$0.93 \pm 0.12$& $0.17 \pm 0.02$ &  $0.63 \pm  0.14$  \\
                  &   6.80  &$1.27 \pm 0.12$& $0.20 \pm 0.02$ &  $1.02 \pm  0.17$  \\
\hline \noalign{\smallskip}
 \tablefootmark{b}     & $\upsilon_{\rm min}$ & $\upsilon_{\rm max}$ & $\int \tau {\rm d}\upsilon$   &  $N$(HCN) \\
Source      & (\kms) & (\kms) & (\kms) & ($10^{12}$ cm$^{-2}$) \\
\hline
{\bf W49N}        & 69.7 & 72.5 &      $0.03 \pm  0.03$ &      0.18 $\pm$  0.15 \\
\\
{\bf W51}         & 11.0 & 14.0 & $<$0.04         & $<$0.27                 \\
\hline
\end{tabular}}
\tablefoot{\tablefoottext{a}{Same as Table~\ref{TabFitHCOp}.}
\tablefoottext{b}{Same as Table~\ref{TabFitHCOp}.}}
\end{table}