[Mesa-users] Question about using RSP to model first-crossing Cepehids

Bill Paxton paxton at kitp.ucsb.edu
Thu Dec 3 14:11:14 EST 2020


study the 5M_cepheid_blue_loop test case.   try to make it work for higher masses.   Cepheids yes; MIRAs no.

bill paxton


> On Dec 3, 2020, at 11:08 AM, Jeremy Sakstein <sakstein at hawaii.edu> wrote:
> 
> Hi everyone,
> 
> I have a quick question about RSP's ability to model first-crossing Cepheid stars. By first-crossing I mean the brief period between the star exiting the main-sequence and ascending the Hayashi track.
> 
> I wanted to ask how reliable/capeable RSP is of modelling these objects, and if there are any subtleties that I am likely not aware of that are not present for more luminous objects? 
> 
> I know the 2019 paper mentions difficulties modelling type-II Cepheids and MIRAs but I was wondering if anyone has any experience with these objects?
> 
> Cheers,
> 
> Jeremy
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