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Table 7

Parameters of the shock models employed.

Model KN’96 FPDF’10

vs (range, km s-1) 5−40 10−40a
vs (step, km s-1) 5 10
n (range, cm-3) 104 − 106.5 2 × 104 − 2 × 105
n (step, cm-3) 100.5 10
J-shocksb no yes
H2 lines all all
CO lines all Jup ≤ 20
H2O lines limited all
[OI] lines no all



10−30 km s-1 for J-shocks.


, with b = 0 for C- and b = 1 for J-shocks.

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