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Table 6

Oxygen column densities and abundances.

Ngas (1.27 ± 0.09) × 1018 cm−2
Ndust (0.09 ± 0.01) × 1018 cm−2
Agas (6.1 ± 0.6) × 10−4
Adust (0.45 ± 0.07) × 10−4
A∕A⊙  1.1 ± 0.1

Notes. Ngas and Ndust indicate the total column density of gas and dust, respectively. Agas and Adust are the abundances of oxygen in gas and dust, respectively (with respect to hydrogen). A∕A⊙ is the total abundance (gas plus dust) ratio in proto-Solar abundance units.

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