Central_object.power_law_cutoff
===============================
Adds a low-frequency cutoff to the power law spectrum.
Whilst this is required for power-law emission modes,
it's set globally and also used in `cloudy` broken-power-law emission modes!

Type
  Double

Unit
  Hz

Values
  Greater than or equal to 0

File
  `setup_star_bh.c <https://github.com/sirocco-rt/sirocco/blob/master/source/setup_star_bh.c>`_


Parent(s)
  * :ref:`Central_object.rad_type_to_make_wind`: ``power``