[mesa-users] Color Magnitude Diagram

[Robert Farmer]

Just to clear up something that might be of been unclear, MESA doesn't do
any atmosphere modeling. For the CMD we are simply interpolating over a
table of bolometric corrections to make the plot. Thus it is up to the user
to pick a suitable table that includes the correct physics and filter
subtles for their problem.

We ship a default table of bolometric corrections but there are of course
many other tables, based on different atmosphere models and filter sets,
that you could use which is why we provide a mechanism to use your own
table.

Rob

On Wed, Apr 12, 2017 at 12:36 PM, Michal Simon <michal.simon at stonybrook.edu>
wrote:

> I write to warn you about making C-M diagrams using MESA.  Because of the
> complexities of stellar atmospheres doing so requires careful attention to
> the
> emergent spectrum.  it is not a black body.  Also, given that, calculating
> magnitudes requires careful specification of the filter set.  There are
> subtle
> differences among the observatories.  MESA is great for Rphotosphere
> (suitably defined), L and hence Teff.  But for magnitudes I use Baraffe
> et al's (2015) work.  Mike Simon
> Mike Simon
>
> On Wed, Apr 12, 2017 at 3:14 PM, Kenny Van <kvan at ualberta.ca> wrote:
> > Hi,
> >
> > I'm wondering if it was possible to create a color magnitude diagram in
> > MESA. I know there is a color directory within MESA but I'm not sure how
> it
> > works or how to go about setting up the appropriate inlist or history
> file
> > to produce the values to be used.
> >
> > Thanks
> >
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