The two-dimensional pressure structure of the HD 163296 protoplanetary disk as probed by multi-molecule kinematics

Open Access

Fig. 2

Teardrop plots for C₂H (left) and HCN (right). Each row of the plot represents an averaged spectrum at separate annuli after shifting and stacking. The color scale indicates the intensity of the emission line. In both cases, hyperfine transitions (two for C₂H and three for HCN) are clearly visible.

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