Table 2
Comparison of the properties of the neutral envelopes surrounding the four H ii regions of Mon R2.
| Direct fits on observed NH2 profiles | Calculated | Fits of reconstructed NH2 profiles | |||||||
| Region name | NH2(1pc) | qout | qin | RInfall | ρ1pc | ρ1pc | qout | qin | RInfall |
| [cm-2] | [pc] | [cm-3] | [cm-3] | [pc] | |||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|
|
|||||||||
| central | 1.5 × 1022 | −2.7 | −1.3 | 0.25 ± .05 | 2000. ± 200. | 1900 ± 250 | −2.75 | −0.85 ± .35 | 0.3 ± .1 |
| western | 3.5 × 1021 | −1.8 | −1.55 | 0.5 ± .1 | 300. ± 50. | 370 ± 50 | −1.9 | −1.45 ± (.1) | 0.5 ± .1 |
| eastern | 4. × 1021 | −2.2 | −1.3 | 0.8 ± .2 | 470. ± 50. | 430 ± 50 | −2.45 | −.4 ± 0.2 | 1. ± .2 |
| northern | 2. × 1021 | −1.5 | – | 125. ± 25. | 105 ± 30 | −1.45 ± .15 | – | ||
Notes. Columns 2−5 are directly fitted from the observed column density profiles, while Cols. 7−10 are adjusted from modelled column density profiles reconstructed from fixed density profiles. Density profile indices and infall radius Cols. 3−5 and Cols. 8−10 are defined in Sects. 3.4.1−3.5 and Fig. 3. The envelope density at 1 pc of Col. 6 is calculated with Eqs. (B.3) and (B.4) from Cols. 2−5 data, while the value given in Col. 7 is taken from the density model.
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