[Mesa-users] Question about calculating electron densities for high mass stars

Josiah Schwab jwschwab at ucsc.edu
Wed May 6 13:13:53 EDT 2020


Hi Jeremy,

Is lnfree_e called in the star pointer? I am using this in other_neu so I
> was hoping not to have to call the EOS twice.
>

Why don't you check yourself?  It'll be good practice :)


> If not, does this info end up in s% ye(k) or does this only include
> electrons from ions?
>

No, ye is defined relative to the ions, just zbar / abar.

So I think values derived in these two ways should start to be different
once you have pair production and you can use the difference to get the
pair density.

Josiah
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