galpy.actionAngle.actionAngle.actionsFreqs

actionAngle.actionsFreqs(*args, **kwargs)[source]

Evaluate the actions and frequencies (jr,lz,jz,Omegar,Omegaphi,Omegaz)

Parameters:
  • *args (tuple) –

    Either: a) R,vR,vT,z,vz[,phi]:

    1. floats: phase-space value for single object (phi is optional) (each can be a Quantity)

    2. numpy.ndarray: [N] phase-space values for N objects (each can be a Quantity)

    1. Orbit instance: initial condition used if that’s it, orbit(t) if there is a time given as well as the second argument

  • **kwargs (dict) – Any other keyword arguments are passed to the _actionsFreqs method.

Returns:

(jr,lz,jz,Omegar,Omegaphi,Omegaz)

Return type:

tuple

Notes

  • 2014-01-03 - Written for top level - Bovy (IAS)