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)