[mesa-users] negative age and rotation values in "OSC" file

[Juan Carlos Suárez]

Hi!
The last version

JC
> On 10 Feb 2017, at 19:29, RICHARD H D TOWNSEND <townsend at astro.wisc.edu> wrote:
> 
> Hi Juan-Carlos —
> 
> Very interesting! Can you remind me which version of MESA you’re running with?
> 
> cheers,
> 
> Rich
> 
>> On Feb 10, 2017, at 12:26 PM, Juan Carlos Suárez <jcsuarez at iaa.es> wrote:
>> 
>> Dear Richard,
>> 
>> We have modified a little bit the previous “inlist” in order to include some atmosphere (the default simple atmosphere)
>> since we are interested in working with the photosphere radius. So we decided to include the following options in the
>> inlist (attached)
>> ! if true, write atmosphere to pulse files
>> 
>> add_atmosphere_to_pulse_info = .TRUE.
>> ! if true, add point for r=0 to pulse files
>> 
>> add_center_point_to_pulse_info = .FALSE.
>> ! if true, add k=1 cell to pulse files
>> 
>> keep_surface_point_for_pulse_info = .false.
>> ! add double points at discontinuities
>> 
>> add_double_points_to_pulse_info = .TRUE.
>> 
>> Curiously, it seems that now the problem of the negative ages and rotation values is solved, but we
>> do not know why. 
>> 
>> On the other hand unfortunately the computation halted with an error 
>> 
>> failed to open LOGS/profile686.data
>> star_finish_step ierr          28
>> after_step_loop ierr          28
>> 
>> That is, it halted at model 686, while without the above options MESA reached the 905 models with no errors.
>> 
>> In addition to this, with the above options it seems that MESA has doubled the number
>> of mesh points (from 4K to 8K). Is that what we should expect? The 4K additional 
>> points are located at the atmosphere?
>> 
>> Thanks!
>> JC
>> 
>> 
>>> On 9 Feb 2017, at 20:38, Juan Carlos Suárez <jcsuarez at iaa.es> wrote:
>>> 
>>> Yes here it is!
>>> JC
>>>> On 9 Feb 2017, at 20:05, RICHARD H D TOWNSEND <townsend at astro.wisc.edu> wrote:
>>>> 
>>>> Hi Juan —
>>>> 
>>>> Can you post the inlist file(s) that you’re using?
>>>> 
>>>> Many thanks,
>>>> 
>>>> Rich
>>>> 
>>>>> On Feb 9, 2017, at 12:43 PM, Juan Carlos Suárez <jcsuarez at iaa.es> wrote:
>>>>> 
>>>>> Dear colleagues
>>>>> 
>>>>> I am trying to compute a 1.5 Msun evolutionary model (with solar metallicity) from PMS to TAMS approx.
>>>>> We have set the options to obtain the .OSC files to be read by our oscillation codes. 
>>>>> 
>>>>> We found that for all the models the age provided has negative values.
>>>>> 
>>>>> Moreover, although no option for rotation was included in the inlist (i.e. rotation should be zero)
>>>>> we obtain some models with rotation 0 but others with negative non-zero values
>>>>> 
>>>>> Any idea?
>>>>> 
>>>>> Thanks in advance!
>>>>> 
>> 
>> --------------------------------------------------------------------------------------------------------------------
>> Dr. Juan Carlos Suárez 
>>    Ramon y Cajal fellow at Física Teórica y del Cosmos Dept. University of Granada 
>>    Facultad de Ciencias. 18071. Granada. Spain
>>  jcsuarez at ugr.es | +34 958249056 | www.ugr.es/~fqm292/ 
>>    Associate researcher at Stellar Physics Dept. IAA-CSIC
>>  Glorieta de la Astronomia s/n. 18008. Granada. Spain
>>  jcsuarez at iaa.es | +34 958230619 | www.iaa.es
>> --------------------------------------------------------------------------------------------------------------------
>> 
>> 
>> 
>> <inlist_project>
> 

--------------------------------------------------------------------------------------------------------------------
Dr. Juan Carlos Suárez 
    Ramon y Cajal fellow at Física Teórica y del Cosmos Dept. University of Granada 
    Facultad de Ciencias. 18071. Granada. Spain
	  jcsuarez at ugr.es | +34 958249056 | www.ugr.es/~fqm292/ 
    Associate researcher at Stellar Physics Dept. IAA-CSIC
	  Glorieta de la Astronomia s/n. 18008. Granada. Spain
	  jcsuarez at iaa.es | +34 958230619 | www.iaa.es
--------------------------------------------------------------------------------------------------------------------

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