velocity_glon_glat

gammapy.utils.coordinates.velocity_glon_glat(x, y, z, vx, vy, vz)

Compute projected angular velocity in galactic coordinates.

Parameters:

x, y, z : Quantity

Position in x, y, z direction

vx, vy, vz : Quantity

Velocity in x, y, z direction

Returns:

v_glon, v_glat : Quantity

Projected velocity in Galactic sky coordinates