velocity_glon_glat#

gammapy.utils.coordinates.velocity_glon_glat(x, y, z, vx, vy, vz)[source]#

Compute projected angular velocity in galactic coordinates.

Parameters
x, y, zQuantity

Position in x, y, z direction.

vx, vy, vzQuantity

Velocity in x, y, z direction.

Returns
v_glon, v_glatQuantity

Projected velocity in Galactic sky coordinates.