galpy.orbit.Orbit.phi

Orbit.phi(*args, **kwargs)

Return azimuth.

Parameters:

t (numeric, numpy.ndarray or Quantity, optional) – Time at which to get the azimuth. Default is the initial time.

Returns:

Azimuth in [-pi,pi].

Return type:

float, numpy.ndarray or Quantity [*input_shape,nt]

Notes

• 2019-02-20: Written by Bovy (UofT).