Astromineralogy of Circumstellar Oxide Dust

Details Astromineralogy of Circumstellar Oxide Dust Astromineralogy of Circumstellar Oxide Dust

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005acod.book.....p&link_type=abstract

Astromineralogy of Circumstellar Oxide Dust, by Thomas Posh. Shaker Publications. ISBN 3-8322-3643-0, 218 pages.

Astronomy and Astrophysics

Astronomy

2

Cosmic Dust, Infrared Spectroscopy, Red Giant Stars, Asymptotic Giant Branch Stars

Scientific paper

Oxides are among the less abundant species of cosmic dust (as compared, e.g., to silicates). Nevertheless, they are of decisive importance for the first stages of the condensation process in oxygen-rich circumstellar shells of AGB stars.
The present work gives an overview of oxygen dust species that have been examined so far by means of astronomical and laboratory infrared spectroscopy. Among the examined dust species are spinel, magnesiowustite, hibonite and titanium oxides. They represent potential carriers of mid-infrared emission features such as the 13 micron and the 19.5 micron band.

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