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Table 5

SiO abundances in the red-shifted wings.

Source Δνrd NSiO XSiO
(km s-1) (1013 cm-2) (10-8)

G34.43+0.2M1 61–83 3.0 ± 0.2 2.1 ± 0.2
IRAS 18507+0121 69–76 0.2 ± 0.1 0.7 ± 0.5
IRAS 19095+0930 52–58 0.6 ± 0.1 1.2 ± 0.2
G19.61–0.24A 55–85 4.8 ± 0.3 3.8 ± 0.2
G20.08–0.14 52–64 0.7 ± 0.2 4.8 ± 1.1
IRAS 18264–1152 59–107 4.2 ± 0.3 3.2 ± 0.2

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