[Mesa-users] [mesa-users] j_rot profile -- units

[Amedeo Romagnolo]

Dear all,

this is kinda the problem. I need the non-specific angular momentum :(
Do you guys reckon that a straightforward way would be to multiply j_rot by
m in every cell?

Cheers,

Amedeo

On Fri, 1 Dec 2023 at 15:34, Frank Timmes <fxtimmes at gmail.com> wrote:

> in $MESA_DIR/star/defaults/profile_columns.list
>
> !j_rot ! specific angular momentum at cell boundary
>
>
> if something is not in the defaults, one can add any a custom profile
> column
>
>
> https://docs.mesastar.org/en/release-r23.05.1/using_mesa/extending_mesa.html#adding-history-profile-output
>
> fxt
>
>
>
>
> > On Dec 1, 2023, at 4:47 AM, Amedeo Romagnolo via Mesa-users <
> mesa-users at lists.mesastar.org> wrote:
> >
> > Hi Ebraheem,
> >
> > Thanks a lot for the information and all the other ones you kindly share!
> >
> > Can I just add a small question, here? Am I blind or there is no way in
> the profile columns to save the angular momentum, i.e. the one expressed in
> g*cm^2/s ?
> >
> > Cheers and thanks,
> >
> > Amedeo
> >
> >
> > On Tue, 28 Nov 2023, 03:44 Ebraheem Farag, <ekfarag at asu.edu> wrote:
> > Hello Amedeo,
> >
> > I believe j_rot is in cgs: j_rot is the specific angular momentum or
> angular momentum per unit mass i.e. [j_rot] = cm^2 / s
> >
> > -EbF
> >
> > On Mon, Nov 27, 2023 at 5:08 PM Amedeo Romagnolo via Mesa-users <
> mesa-users at lists.mesastar.org> wrote:
> > Hi all,
> >
> > Very simple question here that I have been struggling with when
> analysing the output of a rotating star.
> >
> > What are the units of j_rot? Is it cgs? Or does it follow the philosophy
> of e.g. the v_rot profile output that is in km/s?
> >
> > Cheers and thanks in advance,
> >
> > Amedeo
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> >
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