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Table 7

Line shapes of optically thick tracersa for the cores that show the “infall” or opposite signature in Cha I and III.

Source CS 2–1 HNC 1–0 13CO 2–1

Cores with “infall” signature in Cha I
Cha1-C1 B, A, I B, A, I B, A, I
Cha1-C2 B, A, I B, A, I B, A, I
Cha1-C3 B, A, I B, A, I B, A, I
Cha1-C8 B, A, I B, A, I B, A, I
Cha1-C9 B, A, I S, A S, N
Cha1-C10 B, A, I B, N, I B, N, I
Cha1-C11 S, N B, A, I S, N
Cha1-C14 B, A, I B, A, I B, A, I
Cha1-C18 S, N B, A, I S, N
Cha1-C19 S, N B, A, I B, N
Cha1-C21 B, A, I R, A, O S, N
Cha1-C27 S, N low S/N B, A, I
Cha1-C29 B, A, I B, A, I B, A, I
Cha1-C33 B, A, I B, A, I R, Nb
Cha1-C34 B, A, I B, A, I B, N, I
Cha1-C35 S, N B, A, I B, A, I
Cha1-C41 B, A, I S, N B, A, I
Cha1-C46 S, N low S/N B, A, I
Cores with “infall” signature in Cha III
Cha3-C1 S, N B, A, I B, A, I
Cha3-C9 S, N S, N B, A, I
Cha3-C10 S, N low S/N B, N, I
Cha3-C13 S, N B, N, I B, A
Cha3-C20 S, N S, N B, A, I
Cores with opposite signature in Cha I
Cha1-C6 S, N R, A, O
Cha1-C12 S, N S, N R, A, O
Cha1-C17 R, A, O R, A, O R, N, O
Cha1-C21 B, A, I R, A, O S, N
Cha1-C22 low S/N low S/N R, A, O
Cha1-C24 S, N S, N R, N, O
Cha1-C30 R, A, O R, N, O S, N
Cha1-C31 R, A, O R, A, O S, N

Notes.

(a)

Abbreviations used: B = blue asymmetry, R = red asymmetry, A = self-absorption, N = no self-absorption, S = symmetric, I = “infall” signature (with one of the optically thin lines), O = opposite signature.

(b)

No opposite signature with this line (i.e., optically thin line peaks underneath blue peak).

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