Kinematics signature of a giant planet in the disk of AS 209

Open Access

Fig. 2

Velocity map of the peak intensity. The figure shows the velocity map of ¹²CO (left) and ¹³CO (right) J = −2−1 in the LSR rest frame. The bottom panels show the same maps with the most prominent kinks indicated by the arrows. The large-scale structure of the kink resembles a spiral wake, tentatively represented by the thick gray line.

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