Astronomy and Astrophysics – Astronomy
Scientific paper
May 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003mnras.341..657s&link_type=abstract
Monthly Notice of the Royal Astronomical Society, Volume 341, Issue 2, pp. 657-661.
Astronomy and Astrophysics
Astronomy
7
Ism: Clouds, Dust, Extinction, Ism: Lines And Bands, Ism: Molecules, Infrared: Ism
Scientific paper
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.
Cecchi-Pestellini Cesare
Dalgarno Alexander
Klemperer William
Scappini Flavio
Smith Harvey
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