Table 3
Fitresults and gas parameters estimated from the 2Π3∕2 OD J=5/2–3/2 line.
| Source |  |
σrms | Method(b) |  |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| (K) | (K) | (K) | (km s−1) | (km s−1) | (K) | × 1012 (cm−2) | |||
| G10.47+0.03 | 3.7 | 0.17 | Gaussian | − 0.27 ± 0.06 | 68.13 ± 0.37 | 4.45 ± 0.69 | 0.07 ± 0.05 | 0.08 ± 0.04 | 5.30 ± 2.65 |
| hfs | 68.90 ± 0.37 | 3.63 ± 0.85 | 0.08 | ||||||
| G23.21-0.3 | 0.8 | 0.06 | Gaussian | − 0.47 ± 0.05 | 77.01 ± 0.13 | 3.49 ± 0.27 | 0.59 ± 0.09 | 0.89 ± 0.05 | 35.76 ± 2.01 |
| hfs | 77.80 ± 0.13 | 2.20 ± 0.30 | 0.89 | ||||||
| G34.26+0.15 | 6.5 | 0.09 | Gaussian | − 1.31 ± 0.05 | 60.31 ± 0.05 | 4.18 ± 0.12 | 0.20 ± 0.01 | 0.23 ± 0.01 | 13.61 ± 0.59 |
| hfs | 61.10 ± 0.05 | 3.24 ± 0.14 | 0.23 | ||||||
| G34.41+0.2 | 1.4 | 0.10 | – | – | – | – | – | – | |
| G35.20−0.7 | 1.7 | 0.07 | Gaussian | − 0.60 ± 0.06 | 33.13 ± 0.11 | 3.70 ± 0.29 | 0.35 ± 0.04 | 0.44 ± 0.03 | 20.89 ± 1.42 |
| hfs | 33.90 ± 0.12 | 2.60 ± 0.36 | 0.44 | ||||||
| W28A | 3.9 | 0.11 | – | – | – | – | – | ||
| W31C | 6.5 | 0.07 | Gaussian | 0.19 ± 0.06 | − 8.29 ± 0.51 | 4.96 ± 1.23 | – | – | – |
| − 0.61 ± 0.16 | − 0.39 ± 0.17 | 3.83(†) | 0.10 ± 0.01 | 0.10 ± 0.01 | 12.09 ± 1.21 | ||||
| hfs | − 2.65 ± 0.66 | 9.10 ± 2.19 | |||||||
| − 0.30 ± 0.66 | 6.62 ± 2.19 | 0.1 | |||||||
| W33A | 1.7 | 0.06 | – | – | – | – | – | ||
| W49N | 9.5 | 0.10 | Gaussian | − 1.13 ± 0.09 | 10.78 ± 0.17 | 5.79 ± 0.34 | 0.12 ± 0.01 | 0.13 ± 0.01 | 27.78 ± 2.14 |
| − 0.38 ± 0.04 | 3.30 ± 0.83 | 12.26 ± 1.06 | 0.04 ± 0.01 | 0.04 ± 0.01 | 3.86 ± 0.96 | ||||
| 9.5 | hfs | 3.97 ± 1.20 | 11.70 ± 1.52 | 0.13 | |||||
| 11.50 ± 0.18 | 5.28 ± 0.45 | 0.04 | |||||||
| W51e2 | 7.6 | 0.13 | Gaussian | − 1.06 ± 0.13 | 68.06 ± 0.14 | 3.63 ± 0.30 | 0.14 ± 0.02 | 0.15 ± 0.02 | 4.47 ± 0.60 |
| − 0.66 ± 0.09 | 57.40 ± 0.31 | 7.10 ± 0.74 | 0.09 ± 0.02 | 0.09 ± 0.02 | 11.08 ± 2.46 | ||||
| hfs | 68.80 ± 0.11 | 1.63 ± 0.32 | 0.15 | ||||||
| 58.2 ± 0.31 | 6.74 ± 0.81 | 0.09 | |||||||
| W51d | 4.7 | 0.08 | – | – | – | – | – | – | |
| G327.29−0.6 | 5.6 | 0.08 | Gaussian | − 1.32 ± 0.08 | − 44.40 ± 0.09 | 5.22 ± 0.23 | 0.24 ± 0.01 | 0.27 ± 0.01 | 21.85 ± 0.81 |
| hfs | − 43.60 ± 0.9 | 4.43 ± 0.25 | 0.27 | ||||||
| G351.58−0.4 | 1.7 | 0.11 | Gaussian | − 1.23 ± 0.09 | − 94.69 ± 0.11 | 4.36 ± 0.25 | 0.72 ± 0.08 | 1.29 ± 0.05 | 69.27 ± 2.68 |
| hfs | − 93.90 ± 0.11 | 2.94 ± 0.27 | 1.29 |
Notes. (a) Main-beam brightness temperature of the single-sideband continuum at 1.391 THz (Rayleigh-Jeans scale). (b) The fit corresponds to a one- or two-component Gaussian fit to the spectra, while the hfs method takes into account the relative strengths and velocity pattern of the hyperfine structure lines. (c) The errors are propagated from the HFS fit errors from CLASS using the respective formulae. (d) The errors are constrained by the fitting procedure in CLASS, assuming a normal distribution of uncertainties. (e) The errors are propagated from the fit errors and the noise of the data (σrms) using standard formulation. (†)The line width is fixed to that of the HDO line shown in Fig. 3.
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