Table 4: Results of the decomposition of the SW opacity profiles into multiple Gaussian components.
  $V\simeq -$3 km s-1 $V \simeq 7$ km s-1 $V\simeq -$23 km s-1
SW V0 $\tau$ $\Delta V_{1/2}$ $\int \tau{\rm d}V$ V0 $\tau$ $\Delta V_{1/2}$ $\int \tau{\rm d}V$ V0 $\tau$ $\Delta V_{1/2}$ $\int \tau{\rm d}V$
  (km s-1)   (km s-1) (km s-1)     (km s-1) (km s-1)     (km s-1) (km s-1)

H13CO+ (1-2)		 -3.3 0.27 8.6 2.5 (0.05) 6.1 0.16 10.8 1.8 (0.06) -19.5 0.06 15.5 1.0 (0.07)
HC18O+ (1-2) -2.8 0.15 8.4 1.4 (0.06) 5.9 0.06 12.2 0.7 (0.07) -24.6 0.03 11.8 0.3 (0.07)
HC17O+ (1-2) -1.8 0.01 10.0 0.15 (0.03) - - - - - - - -
H13CN (1-2) -3.8 0.21 9.2 2.1 (0.08) 8.4 0.08 7.6 0.6 (0.07) -25.6 0.03 11.0 0.3 (0.08)
HC15N (1-2) -3.0 $^\dagger$ 0.04 7.4 0.31 (0.03) 7.0 $^\dagger$ 0.02 10.0 0.23 (0.04) - - - -
HNC (1-2) -2.7 1.65 7.8 13.7 (0.07) 6.1 1.17 11.5 14.2 (0.08) -13.0 0.51 19.3 10.5 (0.1)
HN13C (1-2) -3.3 0.12 6.8 0.9 (0.07) - - - - - - - -
H15NC (1-2) - (0.014) - $\leq$0.17 - - - - - - - -
DNC (1-2) - (0.011) - $\leq$0.19 - - - - - - - -
CS (3-4) -3.1 0.54 8.3 4.8 (0.08) 7.4 0.50 9.8 5.2 (0.09) -25.5 0.13 16.3 2.3 (0.1)
C34S (3-4) -3.5 0.06 7.4 0.44 (0.04) 7.9 0.05 9.3 0.49 (0.05) -18.1 0.02 10.1 0.25 (0.05)
H2S (1 01-110) -6.6 0.29 6.3 2.0 (0.05) 2.0 0.48 9.5 4.9 (0.06) -19.4 0.07 11.1 0.8 (0.07)
H234S (1 01-110) -4.3 0.06 7.2 0.49 (0.07) - - - - - - - -
H233S (1 01-110) - (0.016) - $\leq$0.19 - - - - - - - -

$^\dagger$ Fixed parameter.

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