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Table D.1:

Line properties (main beam temperature scale) and total column densities derived towards L 183. Numbers in parentheses are powers of 10.

Line 		$\delta x$ $\delta y$ $T_{\rm mb}$ W \ensuremath{\Delta v}e $N_{\rm tot}$f $N(\hh)$ $N_{\rm tot}/2N(\hh)$g
  $^{\prime \prime }$ $^{\prime \prime }$ mK m   12  22 

 
CN 0 0 700 $\pm$ 60 180 $\pm$ 10 0.26 53 7.0 3.8(-10)
  -40 0 600 $\pm$ 70 140 $\pm$ 12 0.23 41 3.3 6.2(-10)
  -20 0 650 $\pm$ 70 135 $\pm$ 10 0.21 40 6.1 3.3(-10)
  20 0 590 $\pm$ 80 110 $\pm$ 10 0.19 34 4.8 3.5(-10)
  40 0 455 $\pm$ 80 60 $\pm$ 10 0.13 18 $\pm$ 2.9 2.8 3.2(-10)
  0 -40 580 $\pm$ 85 130 $\pm$ 10 0.22 38 3.9 4.9(-10)
  0 -20 755 $\pm$ 60 160 $\pm$ 7 0.21 47 5.6 4.2(-10)
  0 20 670 $\pm$ 90 140 $\pm$ 10 0.21 41 6.3 3.3(-10)
  0 40 660 $\pm$ 80 175 $\pm$ 15 0.26 48 5.7 4.2(-10)
a 0 0 115 $\pm$ 12 28 $\pm$ 2 0.24 0.82 7.0 5.9(-12)
  -40 0 75 $\pm$ 25 <18   <0.53 3.3 <8.0(-12)
  -20 0 100 $\pm$ 20 21 $\pm$ 3 0.21 0.62 $\pm$ 0.09 6.1 5.1(-12)
  20 0 65 $\pm$ 20 15 $\pm$ 3 0.23 0.44 $\pm$ 0.09 4.8 4.6(-12)
  40 0 100 $\pm$ 20 <18   <0.53 2.8 9.5(-12)
  0 -40 65 $\pm$ 20 15 $\pm$ 3 0.23 0.44 $\pm$ 0.09 3.9 5.6(-12)
  0 -20 95 $\pm$ 20 16 $\pm$ 3 0.17 0.47 $\pm$ 0.09 5.6 4.2(-12)
  0 20 115 $\pm$ 20 30 $\pm$ 2 0.26 0.88 6.3 7.0(-12)
  0 40 115 $\pm$ 20 32 $\pm$ 4 0.28 0.94 $\pm$ 0.12 5.7 8.2(-12)
Hb 0 0 200 $\pm$ 11 98 $\pm$ 4 0.49 0.34 7.0 2.4(-12)
  -40 0 135 $\pm$ 17 46 $\pm$ 5 0.34 0.16 $\pm$ 0.02 3.3 2.4(-12)
  -20 0 250 $\pm$ 20 123 $\pm$ 7 0.49 0.42 6.1 3.4(-12)
  20 0 195 $\pm$ 15 94 $\pm$ 4 0.48 0.32 4.8 3.3(-12)
  40 0 160 $\pm$ 15 80 $\pm$ 5 0.50 0.27 2.8 4.8(-12)
  0 -40 180 $\pm$ 35 76 $\pm$ 7 0.42 0.26 3.9 3.3(-12)
  0 -20 245 $\pm$ 18 91 $\pm$ 5 0.37 0.31 5.6 2.8(-12)
  0 20 230 $\pm$ 17 100 $\pm$ 4 0.43 0.34 6.3 2.7(-12)
  0 40 230 $\pm$ 18 101 $\pm$ 5 0.44 0.34 5.7 3.0(-12)
HNc 0 0 935 $\pm$ 20 540 $\pm$ 4 0.58 0.93 7.0 6.6(-12)
  -40 0 788 $\pm$ 35 475 $\pm$ 7 0.60 0.82 3.3 1.2(-11)
  -20 0 930 $\pm$ 35 570 $\pm$ 7 0.61 0.99 6.1 8.1(-12)
  20 0 710 $\pm$ 33 433 $\pm$ 7 0.61 0.75 4.8 7.8(-12)
  40 0 440 $\pm$ 35 275 $\pm$ 13 0.62 0.48 2.8 8.6(-12)
  0 -40 840 $\pm$ 35 445 $\pm$ 6 0.53 0.77 3.9 9.9(-12)
  0 -20 955 $\pm$ 30 517 $\pm$ 6 0.54 0.89 5.6 7.9(-12)
  0 20 1030 $\pm$ 35 700 $\pm$ 7 0.58 1.2 6.3 9.5(-12)
  0 40 1115 $\pm$ 30 712 $\pm$ 7 0.64 1.2 5.7 1.1(-11)
d 0 0 1356 $\pm$ 20 309 $\pm$ 6 0.23 10.9 7.0 7.8(-11)
  80 0 264 $\pm$ 26 67 $\pm$ 5 0.25 0.786 1.5 2.6(-11)
  60 0 160 $\pm$ 24 40 $\pm$ 7 0.25 1.41 $\pm$ 0.246 2.0 3.5(-11)
  40 0 564 $\pm$ 37 153 $\pm$ 11 0.27 5.39 2.8 9.6(-11)
  20 0 1037 $\pm$ 30 239 $\pm$ 9 0.23 8.41 4.8 8.8(-11)
  -20 0 1209 $\pm$ 29 283 $\pm$ 9 0.23 9.96 6.1 8.2(-11)
  -40 0 709 $\pm$ 21 164 $\pm$ 6 0.23 5.77 3.3 8.7(-11)
  -60 0 408 $\pm$ 19 103 $\pm$ 6 0.25 3.63 2.3 7.9(-11)
  -80 0 327 $\pm$ 26 79 $\pm$ 8 0.24 2.78 $\pm$ 0.282 2.4 5.8(-11)

Notes. Error bars are 1$\sigma $, and upper limits on W and $N_{\rm tot}$are at the 5$\sigma $ level. A final calibration uncertainty on the column density of 10% has been adopted, unless smaller than 1$\sigma $. We adopt a systematic uncertainty on the dust column density of 30% which reflects the uncertainties on and $\kappa_{\nu}$. (a) Strongest component at 108780.2010 MHz, with R.I. = 0.194. (b) Strongest component at 86340.1840 MHz, with R.I. = 0.556. (c) The integrated intensity includes the three blended HFS components. (d) Weakest HFS component at 93171.6210 MHz with R.I. = 0.037 unless specified. At offsets (80 $^{\prime \prime }$, 0 $^{\prime \prime }$) we use the isolated HFS component at 93176.2650 MHz with R.I. = 0.1111 (see Table C.1). (e)  $\ensuremath{\Delta v} =W/T_{\rm mb}$is the equivalent width. Error bars are 1$\sigma $, and upper limits on W and (f)  $N_{\rm tot}=W\times N_0/\rm R.I.$(g) Fractional abundances with respect to H assuming $N(\h)=2N(\hh)$.


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