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Table 4

Derived HDO ice column densities and abundances with respect to H2O ice.

Source Amorphous HDO Crystalline HDO Total HDO
(1016 cm−2) (1015 cm−2) (1016 cm−2) (% H2O)
HOPS 370 1.6 ± 0.8 6.5 ± 0.5 2.3 ± 0.8 0.46 ± 0.22
IRAS 20126 1.6 ± 0.9 5.0 ± 0.9 2.1 ± 0.9 0.26 ± 0.14

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