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Table 3

Summary for our carbon and sulphur column density ratio calculations in the +50 km s−1 Cloud.

12C/13C(a) 32S/34S(b) 32S/34S(c) 34S/33S(d)
J = 2–1 J = 2–1/J = 6–5 J = 2–1 J = 2–1
22.1 16.3/15.8 16.3 4.3 ± 0.2

Notes. (a) From N(C34S)/N(13C34S) J = 2–1 lines, as described in Sect. 4.1. (b) Through the double isotope method in Sect. 4.1.1. (c)From direct observations in Sect. 4.1.2. (d)Sect. 4.1.4.

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