galpy.orbit.Orbit.ER¶
- Orbit.ER(*args, **kwargs)[source]¶
NAME:
ER
PURPOSE:
calculate the radial energy
INPUT:
t - (optional) time at which to get the radial energy (can be Quantity)
pot= Potential instance or list of such instances
vo= (Object-wide default) physical scale for velocities to use to convert (can be Quantity)
use_physical= use to override Object-wide default for using a physical scale for output (can be Quantity)
OUTPUT:
radial energy [*input_shape,nt]
HISTORY:
2019-03-01 - Written - Bovy (UofT)