Open Access
Table 3
Parameter ranges for spectral model grids.
| Model | Teff (K) | log g (cm/s2) | [M∕H] (dex) | C/O | γ | log κzz (cm2/s) | fsed | # models | Ref. |
|---|---|---|---|---|---|---|---|---|---|
| HELIOS | 200-800 | 3.6-6.0 | 1.0 | 0.5 | – | – | – | 91 | 1 |
| Sonora Bobcat | 200-800 | 3.75-5.5 | −0.5 to +0.5 | 0.5-1.5a | – | – | – | 462 | 2 |
| Sonora Elf Owl | 275-800 | 3.0-5.5 | −1.0 to+1.0 | 0.5-1.5 a | – | 2.0 −9.0 | – | 8640 | 3 |
| Lacy & Burrows | 200-600 | 3.5-5.0 | −0.5 to +0.5 | – | – | 2.0-6.0 | – | 1443 | 4 |
| ATMO2020++ without PH3 | 250-800 | 3.5-5.5 | −1.0 to+0.3 | – | 0.12 to+12.5 | 4.0-8.0 | – | 200 | 5 |
References. (1) Malik et al. (2019); (2) Marley et al. (2021); (3) Mukherjee et al. (2024); (4) Lacy & Burrows (2023); (5) Leggett & Tremblin (2025).
Notes. (a)The C/O ratio is relative to the solar abundance ratio by Lodders et al. (2009), with (C∕O)⊙ = 0.45 8.
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