! add any others from the selections in profile_columns.list
! comment out with exclamation !


   zone       ! numbers start with 1 at the surface
   mass       ! m/Msun. mass coordinate of outer boundary of cell.
   logR       ! log10(radius/Rsun) at outer boundary of zone
   logT       ! log10(temperature) at center of zone
   logRho     ! log10(density) at center of zone
   logP       ! log10(pressure) at center of zone
   x_mass_fraction_H
   y_mass_fraction_He
   z_mass_fraction_metals

   mu ! mean molecular weight per gas particle (ions + free electrons)