[Mesa-users] MESA parameters

[Pablo Marchant]

On Sun, Dec 9, 2018 at 1:05 PM sheyda najafi <sh.najafi8590 at gmail.com>
wrote:

> Hi Pablo
>
> So None of them are averaged quantities from center to the
> corresponding radius s%r(k) or s% rmid(k). Thank you very much.
>

Effectively, none of those are averaged properties up to that coordinate.
They're local properties.


>
> I have another question. I know that MESA parameters are in cgs unit.
> what is the unit of (s% rho(k)) and (s% rho_face(k)) in MESA? Is it
> (g/cm^3) for both ?
> and also for ( s% P(k)) and (s%P_face(k)), is it (g/cm s^2) for both
> of the pressures ?
>  Sorry for asking such basic questions I just want to be sure that I
> have chosen the parameters correctly.
>

Yes, the units for those are cgs and those are the correct cgs units of
density and pressure.

Cheers


>
> Sheyda
>
> On 12/9/18, Pablo Marchant <pamarca at gmail.com> wrote:
> > Hi,
> >
> > s% P and s% rho correspond to the pressure and densities at the center of
> > the cell. The *_face values correspond to the values of these quantities
> at
> > the outer face of the cell.
> >
> > Cheers
> >
> > On Sun, Dec 9, 2018 at 3:43 AM sheyda najafi via Mesa-users <
> > mesa-users at lists.mesastar.org> wrote:
> >
> >> Hi MESA users,
> >>
> >> I have a question regarding parameters s% rho(k), s% rho_face(k),(also
> >> s% p(k) and s%p_face(k)).
> >>
> >> I want to know whether s%rho(k) (or the parameters mentioned above) is
> >> the  local averaged density inside zone (k), or it is the average
> >> density inside a sphere with radius s% r(k) ?
> >>
> >> Thank you very much.
> >>
> >> Sheyda
> >> _______________________________________________
> >> mesa-users at lists.mesastar.org
> >> https://lists.mesastar.org/mailman/listinfo/mesa-users
> >>
> >>
> >
> > --
> > Pablo Marchant Campos
> > M.Sc on Astrophysics, Universidad Católica de Chile
> > PhD on Astrophysics, Argelander-Institut für Astronomie, Universität Bonn
> >
>


-- 
Pablo Marchant Campos
M.Sc on Astrophysics, Universidad Católica de Chile
PhD on Astrophysics, Argelander-Institut für Astronomie, Universität Bonn
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