[mesa-users] Epsilon Eridani (~1 Msun) Evolution

Sitti Attari Khairunnisa sa.khairunnisa at gmail.com
Sun Dec 13 06:13:42 EST 2015


I have tried the rgb and agb wind scheme, and it worked out. Thank you
Aaron!

Best,
Sitti
On Dec 8, 2015 1:46 PM, "Aaron Dotter" <aaron.dotter at gmail.com> wrote:

> Hi Sitti,
>
> Your inlist has no mass loss during the red giant and AGB phases.  That
> will lead to a thermaly-pulsating AGB star that goes on for many, many
> cycles.
>
> There is an example of how you could create a WD from 1 Msun star:
> mesa/star/test_suite/1M_pre_ms_to_wd.  Look at the file inlist_1.0 and
> adapt to fit your needs.
>
> Good luck!
>
> Aaron
>
> On Tue, Dec 8, 2015 at 5:04 PM, Sitti Attari Khairunnisa <
> sa.khairunnisa at gmail.com> wrote:
>
>> Dear all,
>>
>> I use MESA to create stellar evolution model for Epsilon Eridani from
>> pre-MS. Epsilon eridani is a main sequence star with spectral type K2 and
>> mass about 0.795 Msun. But the program only works until AGB phase and
>> cannot reach the white dwarf phase, because suddenly the program stops with
>> warning: 'convergence problem'. I only use mass and metalicity (Z) (the
>> only data available for e eri from papers) input data to make the evolution
>> model. The inlist and HRD will be available on the attachment. I don't know
>> what's wrong with the inlist or maybe I need other things to be considered
>> to create stellar evolution model. I will be grateful for any help you can
>> provide.
>>
>> Best regards,
>> Sitti A. Khairunnisa
>>
>>
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