def ra(self):
"""Apparent right ascension of the sun (in degrees)."""
### Eq. (25.6), for apparent position
o = self.time.obliquity_corrected
l = self.apparent_longitude
result = Angle_R.normalized(Angle_R.atan2(o.cos * l.sin, l.cos))
return result
def ra (self) :
"""Apparent right ascension of the sun (in degrees)."""
### Eq. (25.6), for apparent position
o = self.time.obliquity_corrected
l = self.apparent_longitude
result = Angle_R.normalized (Angle_R.atan2 (o.cos * l.sin, l.cos))
return result
def phi(self):
"""Angular coordinate of polar coordinate system"""
return Angle_R.atan2(self._y, self._x)
def phi (self) :
"""Angular coordinate of polar coordinate system"""
return Angle_R.atan2 (self._y, self._x)
