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Table C.3

Molecular abundances.

Region Species X (This work) X7 X8 X9
(×10-8) (×10-8) (×10-8) (×10-8)

Extended SiO 0.05  < 0.05 ... ...
ridge1 SiS ... ... ... ...

Compact SiO 0.20 0.80 ... ...
ridge2 SiS ... ... ... ...

Plateau3 SiO 2.20 0.80 1.10 23.5
SiS 0.30 ... ... 0.40

High velocity SiO 2.20 ... 4.50 ...
plateau4 SiS ... ... ... ...

Hot SiO 0.20 0.60 ... ...
core5 SiS 0.30 ... ... ...

15.5 km s-1 SiO 1.00 ... ... ...
component6 SiS 0.70 ... ... ...

Notes. Derived molecular abundances and comparation with other works.

(1)

Assuming N(H2) = 7.5 × 1022 cm-2.

(2)

Assuming N(H2) = 7.5 × 1022 cm-2.

(3)

Assuming N(H2) = 2.1 × 1023 cm-2.

(4)

Assuming N(H2) = 6.2 × 1022 cm-2.

(5)

Assuming N(H2) = 4.2 × 1023 cm-2.

(6)

Assuming N(H2) = 1.0 × 1023 cm-2.

(9)

From Ziurys (1988).

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