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Table B.1
Examples of column densities for the adopted conditions from a full grid non-LTE calculations in the Orion Bar and Orion S.
| Source | Molecule | Transition | Tkin and n(H2) (K and cm-3) | ||||
| 20 and 104 | 60 and 106 | 100 and 108 | |||||
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| N from RADEX Model with Tbg = 2.73 K (cm-2) | |||||||
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| Orion Bar | o-H218O | 110−101 | 2.19×1015 | 1.65×1012 | 1.20×1011 | ||
| p-H218O | 111−000 | 3.08×1016 | 1.75×1013 | 2.66×1011 | |||
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| Orion S | o-H218O | 110−101 | 1.13×1016 | 8.57×1012 | 6.06×1011 | ||
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| N from RADEX Model with Td = 49 K and β = 1.6 (cm-2) | |||||||
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| Orion Bar | o-H218O | 110−101 | − | 2.80×1012 | 1.49×1011 | ||
| p-H218O | 111−000 | − | 2.01×1013 | 2.96×1011 | |||
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