[Mesa-users] Question about RSP and equilibrium quantities

[Adam Jermyn]

Hi Jeremy,

It would help to know exactly what you're plotting. Is this the surface
radius versus time? Or the radius versus zone number averaged over time?

Cheers,

On Tue, Jan 21, 2020 at 2:20 PM Jeremy Sakstein <sakstein at sas.upenn.edu>
wrote:

> Hi Everyone,
>
> I have a quick question about finding the equilibrium values of the
> stellar parameters when using RSP Cepheid.
>
> At the moment, I am taking a single pulsation cycle and averaging over the
> radius throughout the cycle but this seems to give me two (very closely
> separated values).
>
> Below I am plotting radius vs pulsation number. As you can see, I end up
> with two very closely separated values for the average. Is this because the
> model is changing ever so slightly between pulsations? If so, why does it
> converge to two values and not a small scatter about the mean?
>
> [image: image.png]
>
> On a more general point, is it possible to extract the true equilibrium
> model from the output rather than taking an average?
>
> Cheers,
>
> Jeremy
> _______________________________________________
> mesa-users at lists.mesastar.org
> https://lists.mesastar.org/mailman/listinfo/mesa-users
>
>
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