Vertical Kuijken & Gilmore potential

class galpy.potential.KGPotential(K=1.15, F=0.03, D=1.8, amp=1.0)

Class representing the Kuijken & Gilmore (1989) potential

\[\Phi(x) = \mathrm{amp}\,\left(K\,\left(\sqrt{x^2+D^2}-D\right)+F\,x^2\right)\]

__init__(K=1.15, F=0.03, D=1.8, amp=1.0)

NAME:

__init__

PURPOSE:

Initialize a KGPotential

INPUT:

K= K parameter

F= F parameter

D= D parameter

amp - an overall amplitude

OUTPUT:

instance

HISTORY:

2010-07-12 - Written - Bovy (NYU)