[Mesa-users] Rotation? I'm confused

Amedeo Romagnolo amedeoromagnolo at gmail.com
Tue Aug 16 19:40:05 UTC 2022


Hi all,

I have been trying for a while to understand how to properly implement
rotation, but the way I did still bugs me.

Attached my inlist for a star of initial mass of 27.5 solar masses. I tried
to set the initial rotation velocity at 300 km/s to study the internal
mixing, but by looking at pgstar I got some doubts:


   1. Why as soon as I apply the rotation near ZAMS (you can see it in the
   picture I attached) the stellar surface rotates at 52 km/s even if I set it
   at 300?
   2. Did I implement rotation correctly? Is there another parameter I am
   missing?

Cheers,

Amedeo
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