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Fig. B.1

image

Moment maps of CCH and CH3OH; (a) and (c) moments 1 and 2 of the line CCH (N = 1–0, J = 3/2–1/2, F = 1–0) (a),(c), respectively; (b) and (d) moments 1 and 2 of the line CH3OH(2−1–1−1 E) respectively. The velocity integration is between 7.9 and 12.8 km s−1 and the threshold has been set at 3σ for both lines. Contours levels for Moment 1 are 10 and 11 km s−1 for CCH and10.5, 11 and 11.5 km s−1 for CH3OH. Contour levels for Moments 2 are 1, 1.5 and 2.5 km s−1 for CCH and1 km s−1 for CH3OH.

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