galpy.orbit.Orbit.TrTp

Orbit.TrTp(pot=None, **kwargs)[source]

NAME:

TrTp

PURPOSE:

the ‘ratio’ between the radial and azimuthal period Tr/Tphi*pi

INPUT:

pot - potential

type= (‘staeckel’) type of actionAngle module to use

  1. ‘adiabatic’
  2. ‘staeckel’
  3. ‘isochroneApprox’
  4. ‘spherical’

+actionAngle module setup kwargs

OUTPUT:

Tr/Tp*pi [*input_shape]

HISTORY:

2019-02-27 - Written - Bovy (UofT)