Crystalline silicates around evolved stars (Molster+, 2002)

Details Crystalline silicates around evolved stars (Molster+, 2002) Crystalline silicates around evolved stars (Molster+, 2002)

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ycat..33820184m&link_type=abstract

VizieR On-line Data Catalog: J/A+A/382/184. Originally published in: 2002A&A...382..184M

Computer Science

Stars: Giant, Planetary Nebulae, Mass Loss, Spectra: Infrared

Scientific paper

This is the first paper in a series of three where we present the first comprehensive inventory of solid state emission bands observed in a sample of 17 oxygen-rich circumstellar dust shells surrounding evolved stars. The data were taken with the Short and Long Wavelength Spectrographs on board of the Infrared Space Observatory (ISO) and cover the 2.4 to 195μm wavelength range. The spectra show the presence of broad 10 and 18μm bands that can be attributed to amorphous silicates. In addition, at least 49 narrow bands are found whose position and width indicate they can be attributed to crystalline silicates. Almost all of these bands were not known before ISO. (18 data files).

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