Fig. 12

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Integrated intensity maps of the H13CO+ emission from the IRAM-30 m (background) and combined (IRAM-30 m + NOEMA) data (contours). The contour levels are 5σ to 55σ by 5σ steps where σ = 1.75 mJy beam−1 km s−1. The dashed white line shows NOEMA’s primary beam. The beams are displayed in the lower left corner. The scale bar on the bottom right corner indicates 5000 au.
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