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Table 2

Tex from 12CO and C18O, and optical depth and column density of 13CO and C18O.

N(13CO)LTE N(C18O)LTE
(K) (K) (cm−2) (cm−2)
Minimum 6.7 (18.7) 14.8 0.2 0.1 2.1 × 1015 1.9 × 1014
Region A Maximum 38.3 (38.3) 39.1 2.3 0.7 5.5 × 1016 1.4 × 1016
Mean 22.8 (28.3) 24.8 0.7 0.3 2.2 × 1016 6.5 × 1015

Minimum 10.5 (13.9) 9.7 0.2 0.1 4.4 × 1015 6.2 × 1014
Region B Maximum 40.9 (40.9) 34.7 2.7 0.4 3.8 × 1016 4.1 × 1015
Mean 20.7 (21.8) 19.9 0.7 0.2 1.3 × 1016 2.1 × 1015

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