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Interstellar H3O+

  • T.G. Phillips (a1), Ewine F. Van Dishoeck (a1) and Jocelyn B. Keene (a1)

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The H3O+ ion is a key species in the oxygen chemistry leading to H2O, OH and O2. Chemical models predict O2 and H2O to be the dominant oxygen-bearing molecules in interstellar clouds. However, neither of them can easily be observed in the bulk of the interstellar medium because of blockage from the Earth's atmosphere. Determination of the abundance and distribution of the precursor H3O+ ion might thus provide an important indirect measure of their abundances.

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References

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Interstellar H3O+

  • T.G. Phillips (a1), Ewine F. Van Dishoeck (a1) and Jocelyn B. Keene (a1)

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