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)