[Mesa-users] He core burning start during mass transfer

[Francis Timmes]

hi jelena,

it might be worth running the 30 and 27 as single stars to better
understand how they evolve. this can give clues for when they
start interacting in a binary.

fxt





> On Apr 11, 2021, at 12:24 PM, Jelena Petrović <jpetrovic at aob.rs> wrote:
> 
> Dear all,
> 
> I am running massive binary models and I have a question about He core burning that starts during mass transfer.
> In my model of 30 + 27 Ms, there are a few points where He luminosity rises in the primary star and this correspond to shrinking of the star and decrease of the mass transfer rate. I am attaching a plot showing this, all is shown as a function of the primary mass.
> 
> My question is if this is maybe just some numerical effect or can it be explained as I mention above?
> 
> If somebody can help, would be great!
> 
> All the best,
> Jelena
> 
> --------------------------------------------
> Dr. Jelena Petrovic
> Associate Research Professor
> Astronomical Observatory Belgrade
> --------------------------------------------<30+27-3days.eps>_______________________________________________
> mesa-users at lists.mesastar.org
> https://lists.mesastar.org/mailman/listinfo/mesa-users
>