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Fig. 15

image

Column density predictions for the standard shock model, as a function of preshock density, nH, and for AV of 0.1 (blue), 1 (magenta), and 2 (red). Velocity memory effects are included for SH for assumed values of 1 × 10-10 cm3 s-1 (dashed curves) and 5 × 10-10 cm3 s-1 (solid curves) for kmt(SH,H2). Gray shaded regions indicate the observed range of values.

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