[Mesa-users] jdot_scale warning - direct impact mass transfer in AM CVn binary

[James Munday]

Ah fantastic, thanks for checking for me.

On Thu, 3 Feb 2022 at 19:27, Pablo Marchant <pamarca at gmail.com> wrote:

> Hi James,
>
> doing a grep on the source code for that I found what I suspected that
> was. It is just a leftover debug output within the function that computes
> magnetic braking. You can safely ignore this, or if it bothers you too
> much, make use of the other_jdot_mb to copy the functionality in
> $MESA_DIR/binary/binary_jdot.f90 without the annoying bit.
>
> Cheers
>
> On Thu, Feb 3, 2022 at 7:08 PM James Munday via Mesa-users <
> mesa-users at lists.mesastar.org> wrote:
>
>> Hello everyone,
>>
>> I'm trying to model an AM CVn system where mass is expected to be
>> transferred directly onto the surface of the accretor without forming an
>> accretion disc, the system having a <10min orbital period, modelling in
>> MESA as a He WD donor and a point mass accretor. I've tried running systems
>> where this event would occur, where they do evolve to be an AM CVn, but I
>> always get a warning "check jdot_scale   1   number   number" for every
>> model attempt.
>>
>> Does anybody know why this is or why the warning is being flagged? There
>> isn't any mention of jdot_scale in the docs anywhere (besides for magnetic
>> braking, which is not enabled).
>>
>> Many thanks in advance,
>> James
>> _______________________________________________
>> mesa-users at lists.mesastar.org
>> https://lists.mesastar.org/mailman/listinfo/mesa-users
>>
>>
>
> --
> Pablo Marchant Campos
> M.Sc on Astrophysics, Universidad Católica de Chile
> PhD on Astrophysics, Argelander-Institut für Astronomie, Universität Bonn
>
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