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Fig. 5

image

Hyperfine multiplet fits (green lines) to the observed N2H+ (J = 1 → 0), C2H (N = 1 → 0), HCN (J = 1 → 0), and H13CN (J = 1 → 0) (black histograms) from each IRDC; the fit parameters are in the right upper corner. The transitions of multiplets are labeled in the panels of G28.34 S (with the strongest line in red).

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