galpy.df.diskdf.targetSurfacemass

diskdf.targetSurfacemass(R, log=False)[source]

NAME:

targetSurfacemass

PURPOSE:

evaluate the target surface mass at R

INPUT:

R - radius at which to evaluate (can be Quantity)

log - if True, return the log (default: False)

OUTPUT:

Sigma(R)

HISTORY:

2010-03-28 - Written - Bovy (NYU)