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)