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Table 3

Line fluxes, spectral resolution, spatial extent and inclination for the CO J = 2–1 isotopologue emission.

Line Line flux Errora Channel width rmsb Radius c ic
12CO J = 2–1 2.34 0.06 200 3.0 1.10 49 ± 5
13CO J = 2–1 0.90 0.03 200 3.0 0.70 31 ± 5
C18O J = 2–1 0.39 0.02 200 2.1 0.50 35 ± 5

Notes. Line fluxes have been calculated from the natural-weighted images by integrating the emission around the systemic velocity at 5.25 km s−1 assuming a half line width of 7.0 km s−1. (a)The error on the integrated line flux was estimated from the rms of the integrated spectrum outside the line boundaries and does not include calibration uncertainties. (b)1 σ rms per channel. (c)The radius is measured along the semi-major axis of the moment 1 maps shown in the 2nd panel of Figs. 24 that were made using CO emission detected above 3σ in the channel maps.

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