[mesa-users] onset of He-burning

Giannotti, Maurizio MGiannotti at mail.barry.edu
Tue Aug 16 10:40:29 EDT 2011

Hello All,

I downloaded and I have been studying MESA since the beginning of the summer. I think it is great. I am hoping to write a paper soon with my colleagues in Los Alamos. I have 2 questions:

1) What is the exact criteria used by MESA to identify the onset of He-burning? I understand that Mesa saves a model (and gives it priority 2) at the onset of He-burning. Does this mean that the parameter "tri_alfa" (or "log_LHe") reaches a certain threshold value? If so, what?

2) It would be nice to find a list of all the criteria which MESA uses to give priority 2 to a model. I read in the MESA home page: "Priority level 2 is for models saved because of some special event in the evolution such as the onset of helium burning". Is there somewhere a list of all these "special events"?

Thank you very much,

Maurizio Giannotti,
Assistant Professor of Physics,
Physical Sciences, Barry University,
11300 NE 2nd Ave., Miami Shores, FL 33161
mgiannotti at mail.barry.edu<mailto:mgiannotti at mail.barry.edu>
305-899-4565 (office), 305-899-3479 (fax)

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