Cometary coma ions

1974The Astrophysical JournalChemistry被引 30开放获取

摘要

For comets whose nuclei are composed of water ice conglomerates it is shown that the ion H3O(+) can predominate to distances of 5000 km in the subsolar direction. Beyond this distance H2O(+) is the most important ion. The crossover point is a sensitive function of the rate of evaporation from the nucleus. The presence of ammonia or metals such as sodium, in concentrations greater than 0.1% H2O, can lead to NH4(+) and Na(+) ions.

引用本文（GB/T 7714）

A. C. Aikin. Cometary coma ions[J]. The Astrophysical Journal, 1974.

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DOI：https://doi.org/10.1086/153156

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