Table 3
Relative abundances with respect to collisional particles for each molecular species and model structure in the best-fit model.
| Species | Shell | Ring | Central cylinderg | Spheres | Tips in | Tips out |
|---|---|---|---|---|---|---|
| 12CO | (5.5±1.1)10−4 | |||||
| 13CO | (1.8±0.1)10−5 | |||||
| C17O | (1.0±0.1) 10−6 | |||||
| C18O | (6.0±0.2) 10−7 | |||||
| HCO+ | (5.0±0.3) 10−9 | (2.5±0.1) 10−8 | (1.0±0.1) 10−8 | (1.8±0.1) 10−7 | (1.6±0.1)10−6 | (5.0±0.3) 10−9 |
| H13CO+ | (5.0±0.3) 10−10 | (2.5±0.1) 10−9 | (1.0±0.1) 10−9 | (1.8±0.1) 10−8 | (1.6±0.1)10−7 | (5.0±0.3) 10−10 |
| HCN | <5.0 | 10−9 | (1.5±0.1) 10−8 | (3.5±0.2) 10−7 | (1.5±0.1) 10−6 | <5.0 10−9 |
| H13CN | <1.0 | 10−9 | <3.0 10−9 | <7.0 10−8 | <3.0 10−7 | <1.0 10−9 |
Notes. Only the error of 12CO abundance includes both degeneracy and instrumental errors. The rest of errors are presented relatively to the best-fit values of the model, taking into account only each individual abundance error margin due to observational data errors, since the degeneracy with density for 12CO translates to all other values when affecting the physical variables of the model.
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