The morphology of CS Cha circumbinary disk suggesting the existence of a Saturn-mass planet

Open Access

Fig. A.2

¹²CO Channel maps of CS Cha, generated with a robust parameter of 0.0. The velocity of each channel is shown in the upper right corner. The contours are the 5σ level of the continuum image generated with a robust parameter of 0.0. Lower left panel: Scale bar represents 20 au at the distance of the source, and ellipse represents the beam size for all the images.

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