[mesa-users] Orbital Evolution of Planets

[Sergei Nayakshin]

Laura,

it sounds like you are planning to do something similar to what Francesca Valsecchi and her collaborators did. Francesca released inlists for the binary problem as well. You may wish to consult her paper and perhaps write to her — valsecchi.francesca at gmail.com <mailto:valsecchi.francesca at gmail.com>. I hope Francesca doesn’t mind…

When you say “modelling orbital separation”, there may be many different ways of doing this, depending on your model, so you’d probably need to input that physics in yourself.

Good luck!
Sergei.

PS — resending this because used a wrong email address, sorry if you get this twice.



> On 11 Mar 2016, at 21:21, Robert Farmer <rjfarmer at asu.edu> wrote:
> 
> Hi
> In the binary module you could try:
> 
> evolve_both_stars=.false.
> 
> as a binary_job, option which will turn off evolution for the second "star" which is then treated as a point mass.
> 
> Rob
> 
> On Fri, Mar 11, 2016 at 1:31 PM, LAURA A. BOYLE <L.BOYLE2 at nuigalway.ie <mailto:L.BOYLE2 at nuigalway.ie>> wrote:
> Hi all, 
> 
>  So far I have been using the single star modules to evolve model stars of exoplanet hosts, and using the output data from MESA as an input into an orbital evolution algorithm to determine how the orbit changes throughout the course of stellar evolution. 
> 
> 
> 
> I know there is a "make_planets" module for MESA but was wondering if it is capable of modelling the orbital separation after their formation also? Or is the binary modules capable of this (I noticed it computes the separation of the binary systems), if I just set the inlist for the secondary component to have a mass of say 1Mjup? I would imagine that MESA would try to evolve it as a star in that case though... 
> 
> 
> Just wondering if anybody has tried this?
> 
> 
> 
> Laura
> 
> 
> 
> 
> 
> 
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