Table 1
Chemical initial conditions.
| Species | Fractional abundance | Network |
|---|---|---|
| p-H2 | See text | Large |
| o-H2 | See text | Large |
| H2 | 0.5 | Small |
| HD | 1.60(−5) | Large |
| He | 9.00(−2) | Both |
| O | 2.56(−4) | Both |
| C+ | 1.20(−4) | Both |
| N | 7.65(−5) | Large |
| e− | Same as C+ | Both |
| Default | 0.00 | Both |
Notes. Chemical initial conditions specific for the small chemical network of Sect. 3.3, for the large chemical network of Sect. 3.4, or for both (Sipilä & Caselli 2018). Fractional abundances are with respect to the total abundances inferred from the mass density obtained from the hydrodynamical code assuming the constant mean molecular weight μ. Their format is a(b) = a × 10b.
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