Table 4
Results of RADEX calculations based on the (1–0)/(3–2) N2H+ ratio.
| N2H+(1–0) | N2H+(3–2) | |||||||||
| | | |||||||||
| Source name |  | Δv | τ | | T rot | N N2H+,obs | N N2H+,R | n NH2,obs | n NH2,R | |
| (K km s-1) | (km s-1) | (K km s-1) | (K) | (1013 cm-2) | (1013 cm-2) | (105 cm-3) | (105 cm-3) | |||
| | ||||||||||
| G013.91–00.51 | MM1 | 12.9 | 1.19 | 5.34 | 2.4 | 14.1 | 2.2 | 5.8 | 2.2 | 0.3 |
| G014.63–00.57 | MM1 | 45.8 | 2.46 | 2.35 | 25.6 | 18.1 | 8.9 | 18.7 | 7.7 | 3.4 |
| G014.63–00.57 | MM2 | 17.9 | 1.27 | 3.90 | 8.2 | 15.7 | 2.8 | 9.4 | 7.3 | 3.4 |
| G017.19+00.81 | MM2 | 32.9 | 2.21 | 1.0 | 18.7 | 18.7 | 13.5 | 7.7 | 6.3 | 4.0 |
| G017.19+00.81 | MM3 | 25.1 | 1.74 | 0.91 | 1.7 | 20.1 | 10.9 | 2.7 | 0.8 | 1.8 |
| G018.26–00.24 | MM1 | 23.5 | 2.50 | 2.10 | 8.6 | 18.2 | 3.7 | 10.5 | 1.8 | 1.4 |
| G018.26–00.24 | MM2 | 26.0 | 2.16 | 4.00 | 7.6 | 17.4 | 4.3 | 10.1 | 1.3 | 1.0 |
| G022.06+00.21 | MM1 | 28.7 | 2.50 | 1.17 | 16.3 | 24.7 | 7.7 | 13.0 | 6.8 | 5.2 |
| G024.37–00.15 | MM2 | 12.7 | 2.28 | 1.55 | 5.4 | 15.7 | 2.1 | 6.2 | 1.2 | 2.9 |
| G024.94-00.15 | MM1 | 20.0 | 2.48 | 1.30 | 7.4 | 15.2 | 4.2 | 5.0 | 2.0 | 2.9 |
| G030.90+00.00A | MM1 | 22.8 | 2.38 | 0.26 | 7.7 | 18.6 | – | 3.1 | 0.7 | 1.8 |
| G034.71–00.63 | MM1 | 11.7 | 2.31 | 2.61 | 6.1 | 17.8 | 1.9 | 17.6 | 1.0 | 3.4 |
| G034.71–00.63 | MM2 | 11.5 | 1.58 | 4.90 | 2.7 | 12.4 | 2.1 | 6.3 | 1.1 | 1.4 |
| G053.81–00.00 | MM1 | 9.0 | 1.64 | 0.56 | 3.7 | 12.4 | 1.0 | 12.1 | 3.6 | 8.6 |
Notes. Column are (from left to right) source name, integrated N2H+(1–0) line intensity, FWHP N2H+(1–0) line width, N2H+(1–0) optical depth, integrated N2H+(3–2) line intensity, NH3 rotational temperature (Paper I), observed N2H+ column density, calculated N2H+ column density from RADEX, observed hydrogen density from the 1.2 mm continuum (Paper I), calculated hydrogen density from RADEX.
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