galpy.df.streamdf.pangledAngle¶
- streamdf.pangledAngle(angleperp, dangle, smallest=False)[source]¶
NAME:
pangledAngle
- PURPOSE:
return the probability of a given perpendicular angle at a given angle along the stream
INPUT:
angleperp - perpendicular angle
dangle - angle offset along the stream
smallest= (False) calculate for smallest eigenvalue direction rather than for middle
OUTPUT:
p(angle_perp|dangle)
HISTORY:
2013-12-06 - Written - Bovy (IAS)