[mesa-users] synchronization in LMXB evolution

Pablo Marchant pamarca at gmail.com
Tue Jun 18 06:24:06 EDT 2013


Jia, could you please share your sources, inlists and mesa version to test?

Cheers

On Tue, Jun 18, 2013 at 12:16 PM, jiakun1219 <jiakun1219 at 163.com> wrote:

> Dear all,
> When to evolve a LMXB system as rlo in test_suite,
> to instantaneous synchronisation between spin and orbit,
> I set the &star_job as below:
> &star_job
>       new_rotation_flag = .true.
>       change_rotation_flag = .true.
>          new_omega = 2D-5 ! rad/sec
>          set_omega = .true.
>          set_initial_omega = .true.
>          new_omega_div_omega_crit = 0
>          set_omega_div_omega_crit = .false.
>          set_initial_omega_div_omega_crit = .false.
>          set_surface_rotation_v = .false.
>          set_initial_surface_rotation_v = .false.
> / ! end of star_job namelist
> and set s% other_torque => synch_spin_orbit_torque in subroutine extras_controls,
> isb=2 (in subroutine synch_spin_orbit_torque) for instantaneous synchronization,
> but the spin do not synchronize with the orbital period, why?
> And could set the star to be a rigid body with a uniform spin at different radius and synchronization with the orbital period?
> Thank you very much!
> Sincerely,
> Jia Kun
>
>
>
>
>
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-- 
Pablo Marchant Campos
M.Sc on Astrophysics, Universidad Católica de Chile
PhD student, Argelander-Institut für Astronomie
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