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Interstellar H3O+

Published online by Cambridge University Press:  07 August 2017

T.G. Phillips ,
Ewine F. Van Dishoeck  and
Jocelyn B. Keene
T.G. Phillips
Affiliation:
Div. of Physics, Math. & Astronomy, Caltech 320-47, Pasadena, CA 91125, USA
Ewine F. Van Dishoeck
Affiliation:
Div. of Physics, Math. & Astronomy, Caltech 320-47, Pasadena, CA 91125, USA
Jocelyn B. Keene
Affiliation:
Div. of Physics, Math. & Astronomy, Caltech 320-47, Pasadena, CA 91125, USA

Extract

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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.

Type
Quiescent Clouds and Regions of Star Formation
Information
Symposium - International Astronomical Union , Volume 150: Astrochemistry of Cosmic Phenomena , 1992 , pp. 191 - 192
Copyright
Copyright © Kluwer 1992 

References

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