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

Ruggero Valli ruvalli at MPA-Garching.MPG.DE
Fri Dec 1 12:08:26 UTC 2023


Hi Amedeo,
I think that what you are looking for could be the variable j_rot, that 
you can uncomment in the profile_column list (line 561)

>    j_rot ! specific angular momentum at cell boundary
Best,
Ruggero

On 12/1/23 12:47, Amedeo Romagnolo via Mesa-users 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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