Overview of Atmosphere Choices

The atm_option control determines MESA’s overall approach to evaluating \(T_{\rm surf}\) and \(P_{\rm surf}\), as follows:

The atm_option control
Value Meaning
'T_tau' T(tau) Atmospheres
'table' Table Atmospheres
'irradiated_grey' Irradiated Atmosphere
'paczynski_grey' Paczynski Grey Atmosphere
'fixed_Teff' Fixed Effective Temperature
'fixed_Tsurf' Fixed Surface Temperature
'fixed_Psurf' Fixed Surface Pressure
'fixed_Psurf_and_Tsurf' Fixed Surface Pressure and Temperature