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Table 1

Best-fit line parameters and derived peak column densities for acetic acid and ethylene glycol toward Orion–KL EGP.

Molecule Component 1 Component 2
v (km s-1) Δv1 / 2 (km s-1) Trot (K) N (1015 cm-2) v (km s-1) Δv1 / 2 (km s-1) Trot (K) N (1015 cm-2)

CH3COOH 7.9 2.5 140 12 5.1 2.3 140 3.3

aGg(CH2OH)2 7.8 2.1 140 6.8 5.1 2.1 140 1.5

gGg(CH2OH)2 7.8 2.1 140 2.7 5.1 2.1 140 0.66

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