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, 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