The Musca cloud: A 6 pc-long velocity-coherent, sonic filament

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Table 2

Analytic approximation for the structure function δV(L) of the different 1D models presented in Table 1.


Model	Structure function


1^a	δV(L)₁ ~ A
2	δV(L)₂ = ∇V_lsr·L
3
4	–

Notes.

^(a)

Although constant on average, the real shape of δV₁ corresponds with an oscillatory function whose nodes are produced at distances where the correlation length L coincides with a multiple of its period.

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