Table 3
Column densities (in cm−2) of best fitting model for each species constrained by the LTE modelling in CASSIS.
| Species | Epoch 1 | Epoch 2 | ||
|---|---|---|---|---|
| BC | NC | BC | NC | |
| SO2 | 9.51×1016 | 2.56×1016 | 4.55×1017 | 1.63×1017 |
| 34SO2 | (4.25×1015) | (1.15×1015) | 2.04×1016 | 7.85×1015 |
| SO | 1.5×1015 | 1.6×1015 | 7.00×1016 | 5.66×1016 |
| 28 SiO | 3.00×1015 | – | (6.12×1014) | – |
| 29SiO | (1.53×1014) | – | 1.20×1016 | – |
| CO | 6.00×1018 | – | 1.20×1019 | – |
| AlO | 1.25×1015 | 1.00×1015 | 4.80×1015 | 3.40×1015 |
| AlOH | 1.00×1015 | – | 1.00×1015 | – |
| HCO+ | 2.60×1014 | – | 1.45×1015 | – |
Notes. CO was modelled with vLSR equal to −72.5 km s−1 and a FWHM of 200km s−1, as in K18. Likewise, 28SiO was modelled with vLSR equal to −82 km s−1. Epoch 1 data was from the best fitting model measured in the re-analysis of the data, and not taken from the literature. Values in brackets have been calculated from natural (Solar) isotopic abundances.
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