actionAngleIsochrone

class galpy.actionAngle.actionAngleIsochrone(*args, **kwargs)[source]

Action-angle formalism for the isochrone potential, on the Jphi, Jtheta system of Binney & Tremaine (2008)

__init__(*args, **kwargs)[source]
NAME:
__init__
PURPOSE:
initialize an actionAngleIsochrone object
INPUT:

Either:

b= scale parameter of the isochrone parameter (can be Quantity)

ip= instance of a IsochronePotential

ro= distance from vantage point to GC (kpc; can be Quantity)

vo= circular velocity at ro (km/s; can be Quantity)

OUTPUT:

instance
HISTORY:
2013-09-08 - Written - Bovy (IAS)