[Mesa-users] Changing metallicity for binary stars

[aite kaci]

It works well. Thank you Pablo !

On Feb 11, 2018 6:19 PM, "Pablo Marchant" <pamarca at gmail.com> wrote:

> Hi Aite, try turning off pgstar.
>
> Cheers
>
> On Feb 11, 2018 4:55 PM, "aite kaci" <aitekaci at gmail.com> wrote:
>
>> Thank you for your suggestions.
>>
>> I followed your advice and did the same thing as done in
>> $MESA_DIR/binary/test_suite_binary_bh  i did not have a result.
>>
>> The error is:
>>
>>
>>  000E-02 -0.124E-01    varcontrol
>>
>>                                                     klo           1
>> 1.0000000000000000D+00
>>                                                     khi         994
>> 0.0000000000000000D+00
>>                                                   new_z
>> 2.9999999999999999D-02
>>                                               current_z
>> 3.0000000000001137D-02
>>
>>  ERROR: failed to find age in history data
>>
>>
>>  ERROR: failed to find period_days in history data
>>
>>  History_Track1 ierr          -1
>>  onScreen_Plots ierr          -1
>>
>>                                  finished doing relax z
>>
>>  star_relax_Z ierr          -1
>>  do_star_job_controls_after ierr          -1
>> DATE: 2018-02-11
>> TIME: 17:50:53
>>
>>
>>
>>
>>
>> I want to start the run directly with z = 0.03 so i need to do
>> relax_initial_z = 0.03  ?
>>
>> Thank you
>>
>> 2018-02-11 13:06 GMT-05:00 Pablo Marchant <pamarca at gmail.com>:
>>
>>> One detail is, if you try to create a model with a different metallicity
>>> by creating new pre main sequence models, that won't work very well fro
>>> binary. Mostly because your pre-main sequence models will have extreme
>>> overflow for most close binaries.
>>>
>>> You can check the test_suite case $MESA_DIR/binary/test_suite/double_bh,
>>> where inlist1 and inlist2 have a relaxation to a different metallicity.
>>> This is done via options in star_job.
>>>
>>> Cheers
>>>
>>> On Sun, Feb 11, 2018 at 11:52 AM, Josiah Schwab via Mesa-users <
>>> mesa-users at lists.mesastar.org> wrote:
>>>
>>>> Hi Ait,
>>>>
>>>> > How i can change the metallicity for a binary star ?
>>>>
>>>> You change the metallicity of each star in the binary individually.
>>>>
>>>> So you use the flags for single stars that you've already discovered.
>>>>
>>>> Josiah
>>>> _______________________________________________
>>>> mesa-users at lists.mesastar.org
>>>> https://lists.mesastar.org/mailman/listinfo/mesa-users
>>>>
>>>>
>>>
>>>
>>> --
>>> Pablo Marchant Campos
>>> M.Sc on Astrophysics, Universidad Católica de Chile
>>> PhD on Astrophysics, Argelander-Institut für Astronomie, Universität Bonn
>>>
>>
>>
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