[mesa-users] Strange boundary mass reporting?

Bill Paxton paxton at kitp.ucsb.edu
Mon Apr 15 19:49:29 EDT 2013


Hi Josh,

Please send inlist + starting model that will reproduce the problem.

Thanks,
Bill


On Apr 15, 2013, at 3:58 PM, Josh Shiode wrote:

> Users,
> 
> I'm looking at a series of what become wolf-rayet stars (Helium-burning, no hydrogen envelope), and I'm seeing that the he4_boundary_mass and c12_boundary_mass are being reported as identical (and equal to the total mass) once the Hydrogen envelope is removed. 
> 
> This is confusing because c12 > c12_boundary_limit (= 1e-4, the default) for the outermost few solar masses in most cases. This doesn't seem to happen when the hydrogen layer is not removed (but other masses are similar..).
> 
> Looking through mesa/star/private I find that this seems to be set in report.f, I see that there is a pre-setting of the variables equal to one another, but then get_info_at_mass_bdy( ) is called and should reset values to their correct ones. Anyone know what I'm missing here?
> 
> Thanks,
> Josh
> 
> 
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