galpy.potential.vterm

galpy.potential.vterm(Pot, l, t=0.0, deg=True)[source]

NAME:

vterm

PURPOSE:

calculate the terminal velocity at l in this potential

INPUT:

Pot - Potential instance

l - Galactic longitude [deg/rad; can be Quantity)

t - time (optional; can be Quantity)

deg= if True (default), l in deg

OUTPUT:

terminal velocity

HISTORY:

2013-05-31 - Written - Bovy (IAS)