Re: [mesa-users] solar calibration with Asplund abundances

[Ehsan M. <e.m...@gm...>]

Thanks Jakub for the heads up.
I maintained a bundle of all OP and OPAL opacity tables that I collected for myself, and they are based on different compositions. 
You may fetch the bundle now from:
ftp://ftp.ster.kuleuven.be/dist/ehsan/kap_data.tar.bz2

Please let me know JC (and possibly others) if I must provide extra explanation.

Cheers.
Ehsan.

On Jan 16, 2014, at 8:37 AM, Jakub Ostrowski wrote:

> Hi,
> 
> These tables have been removed some time ago due to NaNs in the files, but for me they work fine even for pulsation calculations. In order to use them with newer releases of MESA the ‘version’ field in tables’ headers has to be set to 37 in all OP_a09* files. Otherwise the code will terminate with an error.
> 
> Cheers,
> Jakub
> 
> On 16 Jan 2014, at 07:58, Ehsan Moravveji <e.m...@gm...> wrote:
> 
>> Hello,
>> I remember that Radek Smolec kindly provided "OP_a09". Isn't that enough?
>> I use v. 5548, and I have it in my /data/kap_data.
>> Let me know if it is not available (for some reasons) in later versions, and I will surely provide you with that.
>> 
>> Regards.
>> Ehsan.
>> 
>> 
>> 
>> On Jan 15, 2014, at 8:21 PM, Bill Paxton wrote:
>> 
>>> Hi,
>>> 
>>> You might want to create an OP opacity table for the Asplund abundances.    
>>> The mesa one is OPAL and I believe Aldo used OP for his work.
>>> 
>>> Note that there have been problems with the OP generated tables including a few NaN's at the table edge for low R.   But I think you can safely remove those by doing "interpolation by eye" to edit the text file.
>>> 
>>> If you get the table from the OP website, then I can do the mesa kap preprocessing to make the mesa format table.
>>> 
>>> Or perhaps someone out there has already done this?
>>> 
>>> -B
>>> 
>>> 
>>> 
>>> 
>>> On Jan 14, 2014, at 8:37 AM, Jean-Claude Passy wrote:
>>> 
>>>> Hi all,
>>>> 
>>>> I was wondering if anyone had tried a solar calibration but with the Asplund abundances. I gave it a try and found the following accuracies:
>>>> 
>>>> 1% in Teff,
>>>> 5% in L,
>>>> 2% in Rcz.
>>>> 
>>>> Comparing with Serenelli et al. (2009):
>>>> http://esoads.eso.org/abs/2009ApJ...705L.123S
>>>> 
>>>> these results are consistent in terms of Rcz, and better regarding the He surface abundances (here Ysurf = 0.2477). I used MESA version 5595 (inlists and output attached).
>>>> 
>>>> Has anybody tried to do the same thing and found better accuracies?
>>>> 
>>>> Cheers,
>>>> 
>>>> JC
>>>> 
>>>> <inlist_astero_search_controls3>
>>>> <inlist_solar3>
>>>> <sample_0001.data3>
>>>> 
>>>> 
>>>> 
>>>> 
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