Table 1
Condensation temperatures and volume mixing ratios for the chemical species used in this work.
| Species | Tcond (K) | ρs (g cm−3) | Volume mixing ratios | Mass fraction | Reference for refractive indices |
|---|---|---|---|---|---|
| CO | 20 | 1.0288 | 0.45 × C/H | 21.68% | 1,◇ |
| CH4 | 30 | 0.47 | 0.25 × C/H | 6.882% | 1,◇ |
| CO2 | 70 | 1.5 | 0.1 × C/H | 7.574% | 1,◇ |
| H2O | 170 | 1.0 | O/H – (3 × MgSiO3/H + 4 × Mg2SiO4/H + CO/H + 2 × CO2/H + 3 × Fe2O3/H + 4 × Fe3O4/H) | 21.28% | 2,• |
| Fe3O4 | 371 | 5.0 | (1/6) × (Fe/H – S/H) | 4.231% | 3,⋆ |
| C | 626 | 2.1 | 0.2 × C/H | 4.129% | 4 |
| FeS | 704 | 4.84 | S/H | 6.908% | 5,⋆ |
| Mg2SiO4 | 1354 | 3.275 | Mg/H – Si/H | 13.45% | 6,⋆ |
| Fe2O3 | 1357 | 5.24 | 0.25 × (Fe/H – S/H) | 4.377% | 3,⋆ |
| MgSiO3 | 1500 | 3.2 | Mg/H – 2 × (Mg/H – Si/H) | 9.489% | 6,⋆ |
Notes. Also shown are the densities and mass fractions considered to calculate the mean opacities as a function of temperature, along with the references of the refractive indices.
References. [1] Hudgins et al. (1993), [2] Warren & Brandt (2008), [3] Amaury H.M.J. Triaud; unpublished, [4] Preibisch et al. (1993), [5] Henning & Mutschke (1997), [6] Jäger et al. (2003). Data can be found in: [◇] http://vizier.u-strasbg.fr, [•] https://atmos.uw.edu/ice_optical_constants/, [⋆] https://www.astro.uni-jena.de/Laboratory/OCDB/
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