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

[Frank Timmes]

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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