Publication: Hydrated sulphuric acid in dense molecular clouds
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Date
2003
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Oxford University Press (OUP)
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Scappini, Flavio, Cesare Cecchi-Pestellini, Harvey Smith, William Klemperer, and Alexander Dalgarno. 2003. “Hydrated Sulphuric Acid in Dense Molecular Clouds.” Monthly Notices of the Royal Astronomical Society 341 (2) (May): 657–661. doi:10.1046/j.1365-8711.2003.06443.x.
Abstract
We consider sulphur depletion in dense molecular clouds, and suggest hydrated sulphuric acid, H2SO4 · nH2O, as a component of interstellar dust in icy mantles. We discuss the formation of hydrated sulphuric acid in collapsing clouds and its instability in heated regions in terms of the existing hot core models and observations. We also show that some features of the infrared spectrum of hydrated sulphuric acid have correspondence in the observed spectra of young stellar objects.
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ISM: clouds, dust, extinction, ISM: lines and bands, ISM: molecules, infrared: ISM
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