[mesa-users] solar calibration with Asplund abundances

Bill Paxton paxton at kitp.ucsb.edu
Wed Jan 15 14:21:17 EST 2014


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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