\begin{table}%T1
\par
      \caption{\label{tab:gaussian-fit}M~17 SW line parameters derived from Gaussian fits, at four selected positions.}
         \small
         %\centerline
{
         \begin{tabular}{lccccc}
            \hline\hline
	    \noalign{\smallskip}
            Molecule-$J$ & $I_{\rm mb}$ & $V$    & $T_{\rm mb}$ & $\Delta V$ \\
                          & [K~\kms] & [\kms] &     [K]    &   [\kms] \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
   \multicolumn{5}{c} {Position A $(-70'', +32'')$} \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
       \multirow{2}{*}{\twco~$J$ = 6--5} & 723.1~$\pm$~7.5 & 20.4~$\pm$~0.04 & 82.9~$\pm$~1.5 & 8.2~$\pm$~0.11\\
		                            & ~44.6~$\pm$~3.3 & 25.1~$\pm$~0.03 & 31.5~$\pm$~2.9 & 1.3~$\pm$~0.07\\
	    \noalign{}\\
            \multirow{2}{*}{\twco~$J$ = 7--6} & 825.4~$\pm$~24.1 & 20.3~$\pm$~0.13 & 84.6~$\pm$~3.6 & 9.2~$\pm$~0.28\\
		                            & ~56.9~$\pm$~12.8 & 24.2~$\pm$~0.15 & 26.5~$\pm$~7.3 & 2.0~$\pm$~0.32\\
	    \noalign{}\\
            \multirow{2}{*}{\thco~$J$ = 6--5} & 301.2~$\pm$~4.2 & 20.2~$\pm$~0.04 & 54.7~$\pm$~1.1 & 5.2~$\pm$~0.08\\
		                            & ~51.3~$\pm$~3.6 & 23.9~$\pm$~0.04 & 21.2~$\pm$~1.7 & 2.3~$\pm$~0.09\\
	    \noalign{}\\
            \multirow{2}{*}{{\rm [C I]}~$J$ = 2--1} & 138.5~$\pm$~11.5 & 20.2~$\pm$~0.16 & 30.0~$\pm$~3.8 & 4.3~$\pm$~0.42\\
		                                  & ~29.9~$\pm$~10.1 & 23.6~$\pm$~0.18 & 12.7~$\pm$~5.2 & 2.2~$\pm$~0.51\\
            \noalign{\smallskip}
            \hline
         \noalign{\smallskip}
       \multicolumn{5}{c} {Position B $(-70'', -82'')$} \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
		\twco~$J$ = 6--5 & 537.4~$\pm$~6.9 & 19.7~$\pm$~0.05 & 65.7~$\pm$~1.3 & 7.7~$\pm$~0.11\\
	    \noalign{}\\
		\twco~$J$ = 7--6 & 528.5~$\pm$~16.1 & 19.5~$\pm$~0.12 & 62.2~$\pm$~2.8 & 7.9~$\pm$~0.26\\
	    \noalign{}\\
		\thco~$J$ = 6--5 & 166.7~$\pm$~1.6 & 19.3~$\pm$~0.02 & 33.5~$\pm$~0.5 & 4.7~$\pm$~0.05\\
	    \noalign{}\\
		{\rm [C I]}~$J$ = 2--1 & 169.7~$\pm$~4.2 & 19.2~$\pm$~0.06 & 34.4~$\pm$~1.4 & 4.6~$\pm$~0.14\\
        \noalign{\smallskip}
            \hline
        \noalign{\smallskip}
         \multicolumn{5}{c} {Position C $(-60'', -30'')$} \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
         \multirow{2}{*}{\twco~$J$ = 6--5} & 220.4~$\pm$~3.1 & 17.9~$\pm$~0.04 & 33.7~$\pm$~0.6 & 6.1~$\pm$~0.06\\
		                            & 365.8~$\pm$~4.9 & 21.9~$\pm$~0.03 & 86.2~$\pm$~1.6 & 3.9~$\pm$~0.05\\
	    \noalign{}\\
            \multirow{2}{*}{\twco~$J$ = 7--6} & 220.2~$\pm$~16.8 & 17.9~$\pm$~0.31 & 33.6~$\pm$~2.6 & 6.1$^{{\rm a}}$\\
		                            & 367.1~$\pm$~16.4 & 21.9~$\pm$~0.08 & 86.5~$\pm$~4.0 & 3.9$^{{a}}$\\
    	    \noalign{}\\
            \multirow{2}{*}{\thco~$J$ = 6--5} & 145.7~$\pm$~11.5 & 18.9~$\pm$~0.17 & 29.8~$\pm$~2.7 & 4.6~$\pm$~0.21\\
		                            & 120.3~$\pm$~11.3 & 21.8~$\pm$~0.05 & 36.9~$\pm$~3.6 & 3.1~$\pm$~0.09\\
	    \noalign{}\\
            \multirow{2}{*}{{\rm [C I]}~$J$ = 2--1} & ~41.6~$\pm$~27.6 & 17.5~$\pm$~0.55 & 12.1~$\pm$~8.6 & 3.2~$\pm$~0.77\\
		                                  & 124.5~$\pm$~28.6 & 20.7~$\pm$~0.48 & 24.9~$\pm$~7.3 & 4.5~$\pm$~0.72\\
         \noalign{\smallskip}
            \hline	    	    
          \noalign{\smallskip}
         \multicolumn{5}{c} {Position D $(-100'', 0'')$} \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
     \multirow{2}{*}{\twco~$J$ = 6--5} & 136.1~$\pm$~10.9 & 16.8~$\pm$~0.09 & 34.6~$\pm$~3.2 & 3.7~$\pm$~0.17\\
 		                            & 374.4~$\pm$~11.6 & 21.8~$\pm$~0.09 & 57.9~$\pm$~2.5 & 6.1~$\pm$~0.18\\
	    \noalign{}\\
            \multirow{2}{*}{\twco~$J$ = 7--6} & 114.1~$\pm$~11.5 & 16.9~$\pm$~0.19 & 29.1~$\pm$~3.2 & 3.7$^{{a}}$\\
		                            & 369.7~$\pm$~18.9 & 21.6~$\pm$~0.15 & 57.2~$\pm$~3.4 & 6.1$^{{a}}$\\
	    \noalign{}\\
            \multirow{2}{*}{\thco~$J$ = 6--5} & ~82.7~$\pm$~4.2 & 18.4~$\pm$~0.09 & 20.0~$\pm$~1.3 & 3.9~$\pm$~0.15\\
		                            & 131.3~$\pm$~4.1 & 21.6~$\pm$~0.05 & 28.7~$\pm$~0.9 & 4.2~$\pm$~0.04\\
	    \noalign{}\\
            \multirow{2}{*}{{\rm [C I]}~$J$ = 2--1} & ~95.9~$\pm$~5.2 & 18.7~$\pm$~0.17 & 17.9~$\pm$~1.5 & 5.0~$\pm$~0.30\\
		                                  & 120.9~$\pm$~1.5 & 21.4~$\pm$~0.06 & 24.5~$\pm$~1.3 & 4.6~$\pm$~0.24\\
            \noalign{\smallskip}
            \hline	    		    
         \end{tabular}}
\smallskip
$^{{a}}$ The uncertainty of this parameter was larger than 50\% when let free in the Gaussian fitting. We set its value accordingly to the one found for the corresponding Gaussian component of the \twco $J$ = 6--5 line. 
   \end{table}