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Table A.1.

MESA options addressed in this paper.

Option name Brief explanation Default value A0 value
1 diffusion_min_dq_at_surface At least that much fraction of star mass gets treated 10−9 5 × 10−9
as a single cell.

2 diffusion_min_T_at_surface At least that much fraction of star with T< value gets 104 5 × 104
treated as a single cell.

3 high_logT_op_mono_full_off Outside of the temperature range defined by these −1099 6.3
4 high_logT_op_mono_full_on options, the code will use standard opacity tables −1099 6.3
5 low_logT_op_mono_full_off instead of "OP_mono" ones (see Sect. A.2). −1099 4.0
6 low_logT_op_mono_full_on Value order: 3 ≥ 4 ≥ 5 ≥ 6 −1099 4.0

7 radiation_turbulence_coeff Introduces turbulent mixing. 0 0

8 diffusion_num_classes Number of representative classes of species for diffusion 5 14
calculations.

9 diffusion_class_representative(:) Isotope names for diffusion representatives. 1H, 3He, 4He, 16O,56Fe Sect. 3.1

10 diffusion_class_A_max(:) Defines the diffusion classes (A is atomic mass). The 2, 3, 4, 16, 104 Sect. 4.2
species goes into the 1st class with A_max≤ species A.

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