! MESA School Leuven 2025: Tuesday Developer Lecture

&star_job
  ! see star/defaults/star_job.defaults

  ! begin with a pre-built model
  load_saved_model = .true.
  load_model_filename = '1M_at_1Rsun.mod'

  ! reset initial model number
  ! (leave the initial age along)
  set_initial_model_number = .true.
  initial_model_number = 0

  ! display on-screen plots
  pgstar_flag = .true.

  ! pause just before MESA exits
  pause_before_terminate = .true.

/ ! end of star_job namelist


&eos
  ! eos options
  ! see eos/defaults/eos.defaults

/ ! end of eos namelist


&kap
  ! kap options
  ! see kap/defaults/kap.defaults
  use_Type2_opacities = .true.
  Zbase = 0.02

/ ! end of kap namelist


&controls
  ! see star/defaults/controls.defaults

  ! starting specifications
  ! (unused since loading a saved model)
    initial_mass = 1 ! in Msun units
    initial_z = 0.02

  ! when to stop
  ! stop when the center mass fraction of h1 drops below this limit
  xa_central_lower_limit_species(1) = 'h1'
  xa_central_lower_limit(1) = 1d-2

  ! select output frequency
  photo_interval = 10
  write_header_frequency = 2
  terminal_interval = 5

  ! solver
  ! options for energy conservation (see MESA V, Section 3)
  energy_eqn_option = 'dedt'
  use_gold_tolerances = .true.

  ! output

/ ! end of controls namelist
