galpy.df.diskdf.asymmetricdrift¶
-
diskdf.
asymmetricdrift
(R)¶ NAME:
asymmetricdriftPURPOSE:
estimate the asymmetric drift (vc-mean-vphi) from an approximation to the Jeans equationINPUT:
R - radius at which to calculate the asymmetric drift (can be Quantity)OUTPUT:
asymmetric drift at RHISTORY:
2011-04-02 - Written - Bovy (NYU)