cart_to_sky¶
- clustertools.util.coordinates.cart_to_sky(x, y, z, vx, vy, vz, ro=8.275, vo=239.23725000000002, solarmotion=[-11.1, 12.24, 7.25])[source]¶
Convert cartesian coordinates to sky coordinates
- Parameters:
- x,y,z,vx,vy,vzfloat
positions and velocities in cartesian coordinates
- Returns:
- ra,dec,d0,pmra,pmdec,vr0float
on-sky positions and velocities