Left: Velocity field of Leo T as derived from the moment one map with the isovelocity contour at 40 km s⁻¹ highlighted in white. The H I column density contours at [0.5, 1, 2, 3, 4] × 10²⁰ atoms cm⁻² are also shown in black. Right: Position-velocity slice of the H I in Leo T along a position angle of zero degrees with a width of 60′′ and centered on the optical centroid of the galaxy. The angle of this slice, extent, and center are shown overlaid on the velocity field in the left panel. The contours are at [2, 4, 8, 16, 32] times the rms of the data cube.