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Table A.2

Results of hfs-fitting of N2H+(1–0), excitation temperature Tex and total column density Ntot calculations.

Source Tant·τ V LSR Δv τ rms T ex N tot
(K km s-1) (km s-1) (km s-1) Tmb (K) (K) (1013 cm-2)
A3-MM1 1.82 ± 0.12 3.205 ± 0.028 0.871 ± 0.057 0.1 0.097 7.3a 0.22 ± 0.02
A-MM4 17.92 ± 0.83 3.194 ± 0.003 0.449 ± 0.008 2.3 ± 0.5 0.152 11.0 ± 4.6 1.19 ± 0.28
A-MM5 15.76 ± 0.78 3.162 ± 0.004 0.508 ± 0.012 0.1 0.254 7.3 1.10 ± 0.06
VLA1623A 20.79 ± 0.52 3.635 ± 0.002 0.561 ± 0.005 4.5 ± 0.3 0.105 7.7 ± 0.9 1.60 ± 0.19
SM1N 58.19 ± 1.27 3.523 ± 0.002 0.500 ± 0.005 8.2 ± 0.3 0.244 10.2 ± 0.8 4.21 ± 0.37
SM1 44.75 ± 0.11 3.599 ± 0.001 0.589 ± 0.001 6.2 ± 0.0 0.224 10.3 ± 0.1 3.82 ± 0.30
A-MM6 5.13 ± 0.88 3.334 ± 0.017 0.724 ± 0.049 0.1 0.157 7.3 0.51 ± 0.09
SM2 23.99 ± 0.35 3.482 ± 0.001 0.467 ± 0.003 3.1 ± 0.2 0.178 10.9 ± 1.1 1.65 ± 0.15
A-MM8 21.50 ± 0.36 3.484 ± 0.001 0.371 ± 0.003 2.7 ± 0.2 0.128 11.2 ± 1.5 1.19 ± 0.12
A-S 3.28 ± 0.76 3.672 ± 0.008 0.242 ± 0.024 0.1 0.110 7.3 0.11 ± 0.03
B1-MM1 6.10 ± 1.30 4.017 ± 0.009 0.291 ± 0.024 0.1 0.186 7.3 0.24 ± 0.06
B1-MM3 28.35 ± 1.83 3.183 ± 0.012 0.248 ± 0.016 0.1 0.273 7.3 0.97 ± 0.09
20.72 ± 2.09 3.775 ± 0.006 0.333 ± 0.014 4.3 ± 1.3 0.273 7.9 ± 4.3 0.95 ± 0.30
B1-MM4 43.15 ± 3.11 3.660 ± 0.015 0.389 ± 0.023 25.3 ± 1.9 0.369 4.6 ± 0.6 2.87 ± 0.46
13.62 ± 2.41 3.985 ± 0.006 0.245 ± 0.014 0.1 0.369 7.3 0.46 ± 0.09
B1B2-MM1 9.56 ± 0.57 4.031 ± 0.005 0.385 ± 0.013 0.1 0.192 7.3 0.51 ± 0.03
B1B2-MM2 3.84 ± 0.98 3.913 ± 0.026 0.570 ± 0.071 0.1 0.188 7.3 0.30 ± 0.09
B2-MM1 16.30 ± 1.55 4.009 ± 0.006 0.381 ± 0.015 4.8 ± 1.2 0.245 6.5 ± 2.8 0.87 ± 0.24
B2-MM2 9.33 ± 0.82 3.841 ± 0.023 0.628 ± 0.059 3.9 ± 0.9 0.121 5.4 ± 1.9 0.89 ± 0.25
7.36 ± 0.94 4.303 ± 0.009 0.319 ± 0.023 0.1 0.121 7.3 0.32 ± 0.05
B2-MM6 19.64 ± 1.61 3.724 ± 0.010 0.696 ± 0.026 4.0 ± 0.8 0.303 8.0 ± 3.0 1.88 ± 0.43
B2-MM8 7.89 ± 0.84 3.463 ± 0.017 0.460 ± 0.026 10.7 ± 1.7 0.138 3.6 ± 0.6 1.01 ± 0.22
23.63 ± 0.43 4.133 ± 0.003 0.507 ± 0.006 3.8 ± 0.2 0.138 9.3 ± 1.0 1.69 ± 0.17
B2-MM10 11.85 ± 1.04 4.293 ± 0.010 0.579 ± 0.024 0.1 0.273 7.3 0.95 ± 0.09
B2-MM14 17.13 ± 1.78 4.122 ± 0.014 0.771 ± 0.035 3.7 ± 1.0 0.236 7.7 ± 3.8 1.82 ± 0.53
B2-MM15 34.75 ± 3.16 4.372 ± 0.006 0.374 ± 0.014 6.7 ± 1.3 0.270 8.3 ± 3.0 1.80 ± 0.38
B2-MM16 17.27 ± 1.14 4.003 ± 0.008 0.640 ± 0.017 3.0 ± 0.7 0.232 8.8 ± 3.6 1.54 ± 0.37
B2-MM17 15.50 ± 1.82 4.038 ± 0.013 0.635 ± 0.032 0.1 0.236 7.3 1.36 ± 0.17
C-We 16.50 ± 1.88 3.540 ± 0.003 0.195 ± 0.009 6.7 ± 1.7 0.182 5.4 ± 2.1 0.48 ± 0.13
C-Ne 41.94 ± 1.64 3.772 ± 0.001 0.210 ± 0.003 12.3 ± 0.7 0.155 6.5 ± 0.7 1.23 ± 0.15
C-MM3 36.01 ± 0.20 3.786 ± 0.003 0.325 ± 0.003 11.8 ± 0.2 0.196 6.1 ± 0.2 1.67 ± 0.19
C-MM4 34.24 ± 6.92 3.807 ± 0.010 0.341 ± 0.021 16.3 ± 4.4 0.277 5.1 ± 2.3 1.84 ± 0.56
C-MM5 48.70 ± 1.86 3.758 ± 0.002 0.320 ± 0.004 18.3 ± 0.9 0.179 5.7 ± 0.5 2.29 ± 0.29
C-MM6 42.64 ± 1.86 3.670 ± 0.001 0.330 ± 0.004 16.9 ± 1.0 0.118 5.5 ± 0.6 2.10 ± 0.28
C-MM7 35.74 ± 2.66 3.647 ± 0.012 0.300 ± 0.015 28.1 ± 1.6 0.242 4.2 ± 0.4 2.12 ± 0.33
E-MM1e 2.51 ± 0.20 4.396 ± 0.019 0.361 ± 0.028 0.1 0.181 7.3 0.12 ± 0.01
E-MM2d 14.40 ± 0.91 4.455 ± 0.003 0.296 ± 0.008 2.8 ± 0.7 0.148 8.2 ± 3.9 0.59 ± 0.17b
E-MM3
E-MM4 7.29 ± 0.42 4.197 ± 0.003 0.283 ± 0.007 2.2 ± 0.7 0.120 6.3 ± 3.0 0.29 ± 0.09
E-MM5
F-MM1 11.02 ± 0.45 4.660 ± 0.004 0.535 ± 0.008 4.1 ± 0.5 0.143 5.7 ± 1.0 0.87 ± 0.14
F-MM2 20.95 ± 1.52 4.094 ± 0.003 0.238 ± 0.009 8.8 ± 1.2 0.147 5.4 ± 1.2 0.75 ± 0.14
9.20 ± 0.74 4.550 ± 0.005 0.340 ± 0.013 0.1 0.147 7.3 0.43 ± 0.04
H-MM1 23.02 ± 0.47 4.223 ± 0.001 0.271 ± 0.002 3.7 ± 0.3 0.209 9.3 ± 1.2 0.88 ± 0.09
I-MM1 28.57 ± 0.74 3.296 ± 0.001 0.271 ± 0.003 8.9 ± 0.4 0.142 6.3 ± 0.5 1.09 ± 0.13

Notes. We find that the results differ slightly from André et al. (2007) because we used different criterion in the hfs fit. In particular, we assume τ = 0.1 if τ/ Δτ< 3, which affects the linewidth and intensity, while André et al. (2007) did not fix τ. Also, different hfs files were used, Caselli et al. (1995) by André et al. (2007) and Pagani et al. (2009) in this work.

(a)

In case when optical depth τ value was less than 3σ we did not calculate the excitation temperature with Eq. (2), but rather adopt the average of the excitation temperatures of the other cores.

(b)

Ntot calculated assuming the line is optically thick, produce large uncertainty which propagates to the RD uncertainty so RD< 2.5 ΔRD. Thus, to measure RD for E-MM2d, Ntot = (0.58 ± 0.02) × 1013 cm-2 calculated assuming the line is optically thin (τ = 0.1, T = 7.3 K) used.

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