Fig. 2.
ALMA CO image (color) overlaid with contours (white) of the CS (7–6), H13CN (4–3), SiS (19–18), and 29SiO (8–7) emission, shown at stellar velocity (about −21 km s−1). The ALMA beam for the CS, H13CN, 29SiO and SiS lines (0.55″ × 0.48″, PA 86.35°) is given in the lower-left corner. Contours are plotted for 3, 5, 10 and 20σ rms. North is up and east is left.
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