Table 1
Parameters of 1D MARCS model atmospheres and of the 3D simulation used in the present work.
| Model | Grid | Teff | log g | Mass | Radius |
|---|---|---|---|---|---|
| [grid points] | [K] | [cm s−2] | [M⊙] | [R⊙] | |
| 1D-RSG | 66 | 3400 | −0.4 | 5.0 | 588.10 |
| 1D-AGB | 66 | 3500 | 0.9 | 1.5 | 72.12 |
| st35gm04n38 (gray) | 4013 | 3414 ± 17a | −0.39 ± 0.01a | 5.0 | 582 ± 5a |
Notes. (a) The effective temperature Teff, surface gravity log g and stellar radius of the 3D model represent averages over both spherical shells and time; errors are one-standard-deviation fluctuations with respect to the average over time (see Chiavassa et al. 2009, 2011).
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