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Dust/ice mixing in cold regions and solid-state water in the diffuse interstellar medium

Henning, Thomas; Bouwman, Jeroen; Jäger, Cornelia +1 more

Whether ice in cold cosmic environments is physically separated from the silicate dust or mixed with individual silicate moieties is not known. However, different grain models give very different compositions and temperatures of grains. The aim of the present study is to compare the mid-infrared spectra of laboratory silicate grain/water ice mixtu…