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Table 1

Linewidth, integrated brightness and velocity for the average 12CO blueshifted component in the northern and southern map after fitting 3 gaussians to the spectrum.

line FWHM(km s−1) T dv (K km s−1) vblue (km s−1)

12CO(2–1) 0.35 2.0 2.7
12CO(3–2) 0.31 0.98 2.8
12CO(4–3) 0.42 0.73 2.9


12CO(2–1) 0.71 4.6 2.5
12CO(3–2) 0.35 1.7 2.5
12CO(4–3) 0.33 0.63 2.5

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