[mesa-users] Mass

Dean Townsley Dean.M.Townsley at ua.edu
Thu Nov 20 11:27:20 EST 2014


Hi Sasha,

Each profile file contains two sets of information.  The first few lines 
are summary information about the global state of the star at that 
time.  This has a header line, a column numbering line and one data 
line.  After that is the section that gives the profile, starting with a 
header line, column numbers and then a bunch of lines of data.  If you 
want the properties within a single shell in the profile, you should 
look at the second part of the file, those are things you can plot as a 
profile.

Hopefully that helps,
Dean

On 11/20/2014 09:56 AM, kostenko at astro.utoronto.ca wrote:
> Hi, MESA!
>
> I have a question I hope you can help me with: I'm trying to determine the
> total amount (by mass or by number - doesn't matter) of an isotope
> enclosed between two mass coordinates. I'm a bit confused on how to do
> this, however.
>
> Initially, I went into the default file for profiles and found that it had
> something called "star_mass_o16" for the isotopes, which it described as
> "information about total mass". I tried plotting it, but got a black
> screen in the pgstar output. Looking more closely, I saw that it was in
> the section called "! the first few lines of the profile contain general
> info about the model.! for completeness, those items are described here.".
> Thus, I am now not even sure that it CAN be plotted.
>
> In any case, I'd appreciate your help with how to solve the main problem
> which is, again, to determine the total amount of an isotope enclosed
> between two mass coordinates.
>
> Sasha
>
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