\begin{table}%T1
   %\centering
\par
      \caption{Overview of ISO-LWS and SWAS observations.}
         \label{obslistlwsswas}
\begin{tabular}{p{0.19\linewidth}p{0.12\linewidth}p{0.09\linewidth}p{0.31\linewidth}p{0.12\linewidth}}
            \hline
            \hline
 & \multicolumn{2}{c}{{ISO-LWS~~ observations}} & \multicolumn{2}{c}{{SWAS~~~ observations}} \\
Source & observation number & observing mode & observing period & integration time \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
AFGL 2591 & 52~800~108 & LWS04 & 1999, Jun. 25 -- Dec. 17$^{{a}}$ & 54.7 hr \\
NGC 7538 IRS9 & 57~100~914 & LWS04 & 2000, Jul. 16 -- Aug. 10 & 50.5 hr \\
W 3 IRS5 & 47~301~306 & LWS04 & 2000, Aug. 11 -- 13 & 10.7 hr \\
S 140 IRS1 & 36~802~110 & LWS04 & 1998, Dec. 20 -- 1999, Jul. 21$^{{a}}$ & 18.3 hr \\
NGC 7538 IRS1 & 84~201~112 & LWS04 & 2001, Jul. 13 -- 19 & 18.8 hr \\
MonR2 IRS3 & -- & -- & 2001, Sep. 19 -- Oct. 8 & 17.6 hr \\
\hline
\end{tabular}
\begin{list}{}{}
%{\small\sf
\item[$^{{a}}$] Snell et~al. (\cite{snell00}). 
%}
\end{list}
   \end{table}