\begin{table}%t1
\caption {\label{cloudparam}Molecular clump parameters from the HCO$^{+}$~$J=4{-}3$\protect emission.}
%\centering
\par
\begin{tabular}{ccccc}
\hline\hline
$\langle T_{\rm mb}$$\rangle$ & $V_{\rm lsr}$ & $\Delta v$ & $\langle  \int{T_{\rm mb}~{\rm d}v} \rangle$ & $R$  \\
 (K) & (km~s$^{-1}$)   & (km~s$^{-1}$)     &   (K km~s$^{-1}$)  & (pc)              \\
\hline
1.65 $\pm$ 0.20 & 45.10 $\pm$ 0.30 & 4.40 $\pm$ 0.60 & 8.00 $\pm$ 1.00 & 0.36  \\
\hline
\end{tabular}
\end{table}