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Table 2

Line parameters for the nine measured CS isotopologue transitions in the +50 km s−1 Cloud.

Isotopologue Transition TmbdV Peak velocity FWHM T τ (a)
(K km s−1) (km s−1) (km s−1) (K)
13C34S(b) 2–1 1.25 ± 0.12 48.44 ± 0.92 20.99 ± 2.24 0.06 ± 0.005
13CS 2–1 23.28 ± 0.28 46.94 ± 0.12 22.28 ± 0.29 0.98 ± 0.01 0.08
C34S 2–1 32.61 ± 0.41 46.45 ± 0.13 23.07 ± 0.32 1.33 ± 0.02
C33S 2–1 7.73 ± 0.31 47.05 ± 0.45 27.61 ± 1.14 0.26 ± 0.01
CS(+) 2–1 250.00 ± 6.66 48.10 ± 0.11 27.56 ± 0.51 8.52 ± 0.16 1.9
CS(−) 2–1 –37.62 ± 6.13 48.09 ± 0.19 10.85 ± 0.82 –3.26 ± 0.32
C34S 3–2 21.19 ± 0.19 45.95 ± 0.09 22.39 ± 0.22 0.89 ± 0.01 0.05–0.15
CS(+) 3–2 250.00 ± 14.22 47.87 ± 0.10 25.59 ± 0.61 9.18 ± 0.73 1.0–2.8
CS(−) 3–2 –78.71 ± 14.69 48.45 ± 0.12 13.97 ± 0.77 –5.29 ± 0.71
13CS 6–5 2.39 ± 0.12 43.94 ± 0.43 18.61 ± 1.04 0.120 ± 0.005
C34S 6–5 3.32 ± 0.10 44.42 ± 0.26 18.51 ± 0.62 0.169 ± 0.005

Notes. (a) Peak opacity. (b)A CH3 OCH3 (see Sect. 4.1 and Fig. 2) contribution was subtracted before performing a single Gaussian fit to this line. (+) Positive component (in blue in Fig. 2). (−)Negative component (in green in Fig. 2).

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