[Mesa-users] Output energy released by nuclear reactions

[郭云浪]

Dear Earl,




I tested the run_star_extras uploaded by Frank, and compared it with the results output by the profile_columns.list file.

e.g. the energy (erg/g/s) released by 3α (See Attachment),

in which profile_columns.list outputs "tri_alfa" and run_star_extras outputs "r_he4_he4_he4_to_c12".




Strange that the two results are not the same, is this because of units or something else?







Looking forward to your reply.

Best Regards!
Yunlang

-----原始邮件-----
发件人:"郭云浪" <yunlang at ynao.ac.cn>
发送时间:2022-03-18 19:05:04 (星期五)
收件人: "Earl Bellinger" <earlbellinger at gmail.com>
抄送: mesa-users <mesa-users at lists.mesastar.org>
主题: Re: Re: [Mesa-users] Output energy released by nuclear reactions



Dear Earl,




Many thanks for the useful information!  :) 




Best Regards!
Yunlang

-----原始邮件-----
发件人:"Earl Bellinger" <earlbellinger at gmail.com>
发送时间:2022-03-18 17:55:34 (星期五)
收件人: "郭云浪" <yunlang at ynao.ac.cn>
抄送: mesa-users <mesa-users at lists.mesastar.org>
主题: Re: [Mesa-users] Output energy released by nuclear reactions


Dear Yunlang, 


This is not yet a default feature in MESA. However, you can extract the information by incorporating some calls into your run_star_extras routines. 


Frank Timmes uploaded an example here: https://zenodo.org/record/3372837#.YjRW6HrMKbg


Please note this example uses MESA r11701, so the calls may be different for your version. 


Best wishes, 
Earl 




On Fri, Mar 18, 2022 at 10:52 AM 郭云浪 <yunlang at ynao.ac.cn> wrote:

Dear MESA-users,
How to get the energy (erg/g/s) released by the nuclear reaction in MESA-r10398？
e.g.  weak reactions like r_ne20_wk_f20.
In the profile_columns.list file, I see the following content:
   ! ergs/g/sec for reaction categories
   !add_reaction_categories ! this adds all the reaction categories
      ! NOTE: you can list specific categories by giving their names (from net_def)
      ! This will generate columns labeled burn_ELEMENT
      ! i.e. burn_ar, burn_c, burn_fe etc and also c12_c12, c12_o16 etc
   !pp
   !cno
   tri_alfa
   c12_o16
However, MESA doesn't seem to be able to read things like ne20_wk_f20.
Looking forward to your reply !
Best Regards!
Yunlang
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