galpy.df.diskdf.sigmaT2

diskdf.sigmaT2(R, romberg=False, nsigma=None, phi=0.0)

NAME:

sigmaT2

PURPOSE:

calculate sigma_T^2 at R by marginalizing over velocity

INPUT:

R - radius at which to calculate sigma_T^2 (can be Quantity)

OPTIONAL INPUT:

nsigma - number of sigma to integrate the velocities over

KEYWORDS:

romberg - if True, use a romberg integrator (default: False)

OUTPUT:

sigma_T^2 at R

HISTORY:

2011-03-30 - Written - Bovy (NYU)