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Table 8

PDF widths and parameters describing the turbulence for all investigated molecules.

Molecule a b ζc bd
20 K 40 K 80 K 20 K 40 K 80 K
c-C3H2 0.44 ± 0.06 x x x
                 
H13CO+ 0.46 ± 0.09 x x x
                 
13CO 0.52 ± 0.10 x x 0.93
                 
CS 0.52 ± 0.12 x x 0.78
                 
C34S 0.60 ± 0.07 0.79 0.52 0.38
                 
13CS 0.57 ± 0.05 x 0.99 0.58
                 
SO 0.55 ± 0.04 x x 0.74
                 
SiO 0.57 ± 0.06 x x 0.66
                 
HNC 0.38 ± 0.10 x x x
                 
HN13C 0.60 ± 0.03 x 0.92 0.60
                 
HC15N 0.68 ± 0.08 0.80 0.60 0.44
                 
CH3OH 0.63 ± 0.13 x 0.97 0.64

Notes. (a) Mean width of the PDF. (b) Median width of the PDF. (c)Forcing parameter ζ. x means that there is no intersection of the two functions b(ζ). In these cases, we assume f = 2.9 to derive b. (d) Forcing parameter b.

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