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Spectroscopic diagnostic for the mineralogy of large dust grains
M. Min, C. Dominik, L. B. F. M. Waters
We examine the thermal infrared spectra of large dust grains of different chemical composition and mineralogy. Strong resonances in the optical properties result in detectable spec…
The mineralogy, geometry and mass-loss history of IRAS 16342-3814
C. Dijkstra, L. B. F. M. Waters, F. Kemper +5
We present the 2-200 um Infrared Space Observatory (ISO) spectrum and 3.8-20 um ISAAC and TIMMI2 images of the extreme OH/IR star IRAS 16342-3814. Amorphous silicate absorption fea…
The origin of crystalline silicates in the Herbig Be star HD100546 and in comet Hale-Bopp
J. Bouwman, A. de Koter, C. Dominik +1
We have investigated the spatial distribution, and the properties and chemical composition of the dust orbiting HD 100546. This system is remarkably different from other isolated H…