galpy.util.coords.cov_vxyz_to_galcenrect¶
- galpy.util.coords.cov_vxyz_to_galcenrect(cov_vxyz, Xsun=1.0, Zsun=0.0)[source]¶
NAME:
cov_vxyz_to_galcenrect
PURPOSE:
propagate uncertainties in vxyz to galactocentric rectangular coordinates
INPUT:
cov_vxyz - uncertainty covariance in U,V,W
OUTPUT:
cov(vx,vy,vz) [3,3]
HISTORY:
2018-03-22 - Written - Mackereth (LJMU)
2020-09-21- Moved to coords.py - Mackereth (UofT)