Fig. 1

820 μm (365.5 GHz) continuum of TW Hya based on data set 2011.0.00340.S. We reimaged these data, and obtain a result indistinguishable from (Qi et al. 2013). The image construction employed self-calibration and uniform weighting. The resulting beam size, indicated in the lower left, is at a position angle of −56°. The color scale is in units of Jy beam-1 and contours are drawn at 1.5, 6.0, 12.0, 24.0, 48.0, 64.0, and 128. mJy beam-1. The peak intensity is 195.8 mJy beam-1 and the rms noise level is 0.50 mJy beam-1.
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