Table 5
Fit parameters from RATRAN modelling of the OH and OD lines.
| Source | d | Lbol | Rout | αn | n1 pc | Δv | X(OH) | X(OD) |  |
 |
Ref. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (kpc) | (L⊙) | (pc) | (103 cm−3) | (km s−1) | for DHDO | ||||||
| G23.21–0.3 | 4.6 | 1.3 × 104 | 1.8 | − 2.0 | 4.5 | 1.0 | – | 8.0 × 10−10 | – | – | – |
| G34.26+0.2 | 1.6 | 4.6 × 104 | 0.8 | − 1.8 | 10 | 2.4 | 1.3 × 10−8 | 6.2 × 10−11 | 4.8 × 10−3 | 5.1 × 10−3 | (a) |
| 1.0−3.1 × 10−3 | (b,c) | ||||||||||
| 1.9−4.9 × 10−4 | (d) | ||||||||||
| G34.41+0.2 | 5.4 | 6.7 × 104 | 2.5 | −2.0 | 7 | 3.2 | – | <8.0 × 10−11 | – | – | – |
| G35.20−0.7 | 2.2 | 2.5 × 104 | 1.5 | − 1.6 | 5.5 | 1.5 | >2.0 × 10−8 | 3.0 × 10−10 | <1.5 × 10−2 | – | – |
| G327.29−0.6 | 3.1 | 8.2 × 104 | 2.0 | − 1.9 | 10 | 2.3 | <5 × 10−9 | 9.75 × 10−11 | >2.0 × 10−2 | 5.9−6.4 × 10−3 | (e) |
| G351.58–0.4 | 6.8 | 2.4 × 105 | 1.8 | − 1.9 | 15 | 1.5 | 7.8 × 10−9 | 1.95 × 10−10 | 2.5 × 10−2 | 0.6−1.4 × 10−3 | (e) |
Notes. Outer radius, Rout, density power-law index, αn, and the density at 1 pc, n1 pc, were constrained by the 870 μm ATLASGAL dust continuum emission and are adopted from Wyrowski et al. (2016), as are the distances.
References. (a) This work. (b) Coutens et al. (2014). (c) Kulczak-Jastrzȩbska (2017). (d) Liu et al. 2013. (e) Liu (2017).
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