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Fig. 1.


Upper row: integrated intensity maps. The color scale is in the unit of (Jy beam−1 km s−1). Contour level step is 2σ. Lower row: velocity maps. Contour level step is 0.5 km s−1. Beam sizes are indicated. The ellipses show the location of inner (~180 au) and outer (~260 au) radii of the dust ring.

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