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Table 7

Ortho/para water line ratios of lines that are close in excitation energy in the model series.

Line ratios Without grain surface reactions With grain surface reactions
std with Tg = Td without δ = 0.01 std without water 100 × GG photodes.
X-rays SS (<4 AU) adsorption yields

538.29/269.27 0.49 0.48 0.45 0.50 0.25 0.49 0.44 0.27 0.25
78.74/78.93 9.3 10.0 63.6 9.2 1.95 9.3 9.2 3.6 3.6

Notes. “std” stands for the “standard model” and SS for self-shielding.

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