\begin{table}
\begin{table}%t5
\caption{\H\ line parameters.}
\label{tab_lin_n2h}
%\centerline
{%\centering
\small\begin{tabular}{ccccccccccccc}
\hline \hline
     &  \multicolumn{6}{c}{ \H\ (1--0) } & & & & \H\ (3--2) & & \\
%\cline{2-7} \cline{9-13}
\noalign{\smallskip}
source     & vel. range  & $\int T_{\rm MB}{\rm d}v$ & $v_{\rm LSR}$ & {\it FWHM} & $\tau_{10}$ & \Tex\ & & vel. range & $\int T_{\rm MB}{\rm d}v$ & $v_{\rm LSR}$ & {\it FWHM} & $\tau_{32}$ \\
       & (\kms ) & (K \kms ) & (\kms ) & (\kms ) & & (K) & & (\kms ) & (K \kms ) & (\kms ) & (\kms ) & \\
\hline
05345+3157 & $-$28, $-$9 & 14.66 & $-$17.97 & 1.59 & 0.5~$\pm$~0.2 & 22.0 & & $-$23, $-$13 & 16.33 & -18.03 & 1.75 & 4.3~$\pm$~0.5 \\
05373+2349 & $-$8, 11 & 20.86 & 2.31 & 1.57 & 0.8~$\pm$~0.3 & 20.14 & & $-$2, 7 & 26.13 & 2.26 & 1.47 & 3.7~$\pm$~0.2 \\
18144$-$1723 & 36, 60 & 38.44 & 48.01 & 3.47 & 0.49~$\pm$~0.03 & 26.23 & & 42, 53 & 31.41 & 48.42 & 3.01 & 7~$\pm$~1 \\
18511+0146 & 46, 68 & 26.76 & 57.12 & 2.86 & 0.1 & -- & & 52, 62 & 22.11 & 56.91 & 3.33 & 1~$\pm$~1 \\
18517+0437 & 33, 54 & 26.01 & 43.84 & 2.72 & 0.1 & -- & & 39, 48 & 28.38 & 43.71 & 3.21 & 0.7~$\pm$~0.3 \\
19092+0841 & 45, 70 & 13.20 & 57.64 & 3.76 & 0.5~$\pm$~0.1 & 10 & & 50, 63 & 13.13 & 57.07 & 5.84 & 0.1 \\
20126+4104 & $-$14, 7 & 36.15 & $-$3.87 & 2.01 & 0.1 & -- & & $-$8, 1 & 39.92 & $-$3.36 & 1.57 & 7.82~$\pm$~0.04 \\
20216+4107 & $-$12, 7 & 9.39 & $-$1.66 & 1.30 & 1.2~$\pm$~0.3 & 9.4 & & $-$6, 2 & 14.41 & $-$1.89 & 0.99 & 8.6~$\pm$~0.5 \\
20343+4139$^{a}$ & 0, 22 & 14.22 & 10.87 & 1.43 & 1.79~$\pm$~0.07 & 9.2 & & 7, 14 & 14.45 & 10.81 & 1.21 & 0.1 \\
20343+4139$^{b}$ & 0, 22 & 18.39 & 11.48 &  2.44 & 1.37~$\pm$~0.07 & 9.3 & & 7, 14 & 21.51 & 11.75 & 3.69 & 0.1 \\
22172+5549 & $-$54, $-$34 & 6.97 & $-$43.59 & 2.04 & 0.1 & -- & & $-$49, $-$39 & 14.65 & $-$43.56 & 2.63 & 0.1 \\
\hline
\end{tabular}}
\par
\footnotesize
$^{a}$  Peak at ($-$8\arcsec , 4\arcsec ). 
$^{b}$  Peak at (13\arcsec , 0\arcsec ).
%\end{table}