galpy.df.streamdf.density_par¶
- streamdf.density_par(dangle, coord='apar', tdisrupt=None, **kwargs)[source]¶
NAME:
density_par
PURPOSE:
calculate the density as a function of a parallel coordinate
INPUT:
dangle - parallel angle offset for this coordinate value
- coord - coordinate to return the density in (‘apar’ [default],
‘ll’,’ra’,’customra’,’phi’)
OUTPUT:
density(angle)
HISTORY:
2015-11-17 - Written - Bovy (UofT)