Zooming into the water snow line: High-resolution water observations of the HL Tau disk

Open Access

Fig. A.3

Channel maps of the H₂O line at 183 GHz imaged with a robust parameter of 2.0. The white contours indicate the 3σ and 5σ confidence intervals, where 1σ corresponds to 5-7 mJy beam⁻¹ depending on the velocity channel (see Appendix A.1). The beam and a 20 au scale bar are indicated in the bottom-left panel.

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