CO(3–2) representative channel emission maps in HD 163296, primary beam corrected. The spectral resolution is 0.21 km s^-1 and the rms per channel is 14 mJy beam^-1. The synthesized beam size is represented in the lower-right in each panel. The white solid and dotted lines represent the front and back surfaces of the gas disk, respectively. The insert at the bottom-left of each panel shows a zoomed-down model at the corresponding velocity (i.e., the size is the same, the scale is different).