\begin{table}%t1
\caption{\label{tab:journal}Journal of observations.}  \small
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\par
\begin{tabular}{cccc} \hline\hline
\multicolumn{4}{c} {Imaging}\\
\hline
Telescope/Instrument      & Date           & Filter                                                  & $t$~(s)\\
\hline
VLT/ISAAC-SW    &6 Feb. 2001      & [FeII]1.64, H$_{2}$2.12, Br$\gamma$                               & 480 \\
                &                & $K$s, $H$                                                              & 60 \\
VLT/ISAAC-LW    &                &$L$, $M$                                                                & 600 \\
3.6~m/TIMMI2     & 25-26 Mar. 2004 & $N$10.4                                                             & 3000\\
SEST/SIMBA      & 23 May 2003    & 1.2~mm                                                            & 5670$^a$    \\   
\hline
\end{tabular}
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\par
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\par
\begin{tabular}{cccccc}
\multicolumn{6}{c}{Infrared Spectroscopy}\\
\hline
Telescope/Instrument& Date & $\lambda$/$\Delta$$\lambda$ & PA ($^{\circ}$)& Covered Knots  & $t$ (s)\\
\hline
NTT/SofI HK grism       & 13 Mar. 2003 & 600  & 153            & D,F  & 2400 \\
VLT/ISAAC-SW 2.12~$\mu$m & 5 Feb. 2001  & 8900 & 153            & D,F  & 1800 \\
                    &             &      & 150.5	      & C,G  &      \\
                    &             &      & 161		      & A,B,C&      \\
                    &             &      & 131.5	      & E,F  &      \\
                    &             &      & 137                & A    &      \\
\hline
\end{tabular}
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\par
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\par
\begin{tabular}{cccccccc} 
\multicolumn{8}{c}{Millimetre Spectroscopy}\\
\hline \\[-3mm] 
SEST Receiver   & Date           & Line          & $\nu$  & $\theta_{HPBW}$     & $N^b$  & $\Delta v$   & $t$ \\
                &                &               & (GHz)  & ($^{\prime\prime}$) &        &(km~s$^{-1}$)& (s) \\
\hline
IRAM115    & 4-8 Jun. 1994   & CS(2--1)        &  97.98          &  57& 43 & 0.132 &  6060       \\
IRAM230    & 		    & CS(5--4)        & 244.94          &  23& 28 & 0.053 &  4980       \\
NDW350     &                & CS(7--6)        & 342.88          &  15& 12 & 0.038 &  8400       \\
IRAM115    &                & C$^{34}$S(2--1) &  96.41          &  57& 18 & 0.134 & 16~200       \\
\hline\\[-2mm]
\end{tabular}
\parbox{12cm}{
Note: $^a$ Time spent to integrate over an area of 18$^{\prime}\times14^{\prime}$ in fast scanning mode.\\
$^b$ Number of the map points.}
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\end{table}