H_min                 real           1.e-4_rt      y

model_name            string         ""            y

# the distance from the base of the He layer star to put the perturbation
R_pert                real           1.e7_rt       y

# location of base of He layer
R_He_base             real           0.0_rt

# the amplitude of the temperature perturbation (above background)
pert_temp_factor      real           10.0_rt       y

# the physical scale of the perturbation
pert_rad_factor       real            2.0_rt       y

ihe4                  integer         -1