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

[Jeremy Sakstein]

Thanks Frank.

Just to clarify, exp(lnfree_e) is the number density of all electrons and
positrons in [image: cm^{-3}]?

On Wed, May 6, 2020 at 4:34 PM Francis Timmes <fxt44 at mac.com> wrote:

> the straight sum of the electron and positron number densities, not per
> nucleon.
>
> fxt
>
>
>
> > On May 6, 2020, at 1:24 PM, Josiah Schwab via Mesa-users <
> mesa-users at lists.mesastar.org> wrote:
> >
> > Final question: does lnfree_e include positrons too?
> >
> > My memory was that when on HELM this is the combined number of e^- & e^+
> per nucleon, but you should probably check that before relying on it.
> >
> > Josiah
> > _______________________________________________
> > mesa-users at lists.mesastar.org
> > https://lists.mesastar.org/mailman/listinfo/mesa-users
> >
>
>
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