Previous topic

galpy.actionAngle.actionAngle.__call__

Next topic

galpy.actionAngle.actionAngle.actionsFreqsAngles

This Page

galpy.actionAngle.actionAngle.actionsFreqs

actionAngle.actionsFreqs(*args, **kwargs)
NAME:
actionsFreqs
PURPOSE:
evaluate the actions and frequencies (jr,lz,jz,Omegar,Omegaphi,Omegaz)

INPUT:

Either:

  1. R,vR,vT,z,vz[,phi]:
    1. floats: phase-space value for single object (phi is optional)
    2. numpy.ndarray: [N] phase-space values for N objects
  2. Orbit instance: initial condition used if that’s it, orbit(t) if there is a time given as well as the second argument
OUTPUT:
(jr,lz,jz,Omegar,Omegaphi,Omegaz)
HISTORY:
2014-01-03 - Written for top level - Bovy (IAS)