[Mesa-users] Initial Metallicity Composition

Aaron Dotter aaron.dotter at gmail.com
Sun Nov 7 17:20:04 UTC 2021

Hi Mitchell,

> I am looking to experiment with the “set_uniform_initial_composition”
> parameter. The value appears to default to false and the documentation in
> star_job_defaults details the specifics around what happens when the value
> is set to true, but what are the initial metal fractions when the
> “set_uniform_initial_composition” is left as or set to false?

It defaults to initial_Y and initial_Z set in the &controls section of the
inlist.  If you look ford initial_Z in mesa/star/defaults/controls.defaults
you can see how both of these quantities are handled.

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