Open Access

Fig. 13

image

One-dimensional velocity structure function. The structure function S2 is plotted against the spatial lag l for all four observed gas tracers. The red, blue, yellow, and green lines correspond to the HISA, 13CO(1–0), [CI], and 13CO(3–2) data, respectively. The gray-shaded area is the spatial-resolution limit corresponding to the 46″ beam of the 13CO(1–0) data. The slopes are fitted outside that limit and are shown as dashed lines. The corresponding fit results are presented in the legend.

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