Table 5: N2H+ line parameters.
  N2H+ (1-0)       N2H+ (3-2)    

source		 vel. range $\int T_{\rm MB}{\rm d}v$ $v_{\rm LSR}$ FWHM $\tau_{10}$ $T_{\rm ex}$   vel. range $\int T_{\rm MB}{\rm d}v$ $v_{\rm LSR}$ FWHM $\tau_{32}$
  (km s-1) (K km s-1) (km s-1) (km s-1)   (K)   (km s-1) (K km s-1) (km s-1) (km s-1)  
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+4139a 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+4139b 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

a Peak at (-8 $^{\prime\prime}$, 4 $^{\prime\prime}$). b Peak at (13 $^{\prime\prime}$, 0 $^{\prime\prime}$).


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