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Fig. 5
Velocity channel maps of the HCO+J = 4–3 emission averaged every 1 km s-1. Grayscale goes from 0.15 (about 3σ rms noise of an averaged channel map) to 2.5 K. Contours levels are at 0.15, 0.5, 0.8, 1.3, and 1.9 K. The red cross represents the position of G45.47.
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