[Mesa-users] The nuclear burning after log T = 9.85 is stop ?
辛文宇
wyxin at nao.cas.cn
Wed Sep 14 03:04:37 UTC 2022
Hi,
I am using a example '25M_pre_ms_to_core_collapse' in test_suite of MESA 12778
to evolve a star form ZAMS to Fe core collapse.
Some of the inlist files are attached. The following three header files are used successively.
inlist_to_lgT_9.9_header
inlist_convert_header
inlist_finish_header
When log T_c reaches 9.85, the 'inlist_to_lgT_9.9_header' is finished and
the 'inlist_convert_header' is continue. This file seems evolve the models forwards 100 steps.
Then the file 'inlist_finish_header' will finish the folloing evolution until the log Rho_c reaches
10.4 g cm^-3. However, in this part, the logT and logRho increases, but the nuclear burning
in the outer shell seems to stopped. I am sure why.
Here also attached a Kippenhahn diagram for M = 28 Msun.
When logT_c =9.85, log t_final - t = -5, at the end of the calculation log t_final - t = -8.
It seems that from the center to M_r=8 Msun, all the nuclear burning is stopped.
I also checked the energy generation rate of C, O and Si burning in the profileXX.data
they are 0 in this stage.
Thanks,
Wenyu Xin
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