\begin{table}%T5
%\centering
\par
    \caption{Observations of CS, C$^{34}$S and C$^{17}$O lines towards MonR2~IRS3.}
    \label{tab:cs_lines}
\begin{tabular}{ccccc}
\hline \hline
\noalign{\smallskip}
 Line & Frequency &\tmb&$\Delta V$ &$\int T_{\rm MB} {\rm d}V$\\
      & (MHz)     &(K) &(km s$^{-1}$) &(K km s$^{-1}$)\\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
CS $5 \to 4$ &244~935.6 &9.2 &2.7 &27\\
               &broad  &0.2 &8.0 &1.9\\
CS $7 \to 6$ &342~883.0 &6.6 &2.5 &17.8\\
               &broad  &0.3 &8.0 &2.4\\
CS $10\to 9$ &489~751.0 &2.0 &2.7 &5.6\\
\par
C$^{34}$S $5 \to 4$ &241~016.2 &0.6 &2.3 &1.4\\
C$^{34}$S $7 \to 6$ &337~396.7 &0.4 &2.6 &1.1\\
\par
C$^{17}$O $3 \to 2$ &337~060.9 &2.3 &2.6 &6.4\\
\hline
    \end{tabular}
\end{table}