galpy.potential.Potential.vesc

Potential.vesc(R, t=0.0)[source]

NAME:

vesc

PURPOSE:

calculate the escape velocity at R for this potential

INPUT:

R - Galactocentric radius (can be Quantity)

t - time (optional; can be Quantity)

OUTPUT:

escape velocity

HISTORY:

2011-10-09 - Written - Bovy (IAS)