actionAngleIsochroneInverse

class galpy.actionAngle.actionAngleIsochroneInverse(*args, **kwargs)

Inverse action-angle formalism for the isochrone potential, on the Jphi, Jtheta system of Binney & Tremaine (2008); following McGill & Binney (1990) for transformations

__init__(*args, **kwargs)

NAME:

__init__

PURPOSE:

initialize an actionAngleIsochroneInverse 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:

2017-11-14 - Started - Bovy (UofT)