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Left: Position-velocity diagram across the north-south direction (PA=0°). The contours are drawn at 3, 5, 10, 20, and 40σ (where σ is measured over the emission-free channels). Middle: Position-velocity diagram across the east-west direction (PA=90°) showing the brighter and more structured emission on the west side of the stars. Right: Position-velocity diagram along the binary axis (PA=35°) showing the structure within the south-west bright emission (Fig. 1).
