Laboratory measurements of amorphous silicate smokes and the infrared spectra of oxygen-rich stars

Details Laboratory measurements of amorphous silicate smokes and the infrared spectra of oxygen-rich stars Laboratory measurements of amorphous silicate smokes and the infrared spectra of oxygen-rich stars

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...257l.103n&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 257, June 15, 1982, p. L103-L105.

Astronomy and Astrophysics

Astrophysics

48

Infrared Spectra, Interstellar Matter, Silicates, Stellar Spectra, Amorphous Semiconductors, Interstellar Chemistry, Molecular Spectra, Oxygen Spectra, Smoke

Scientific paper

The infrared spectra of smokes condensed from SiO-H2 and Mg-SiO-H2 vapors and of smoke samples annealed for various times at 1000 K and 1250 K are presented. The spectra of these materials show features in the 8-25 micron interval in addition to the well-known bands near 10 and 20 microns. It is suggested that these features may correspond to weak structures that can be seen in the infrared spectra of oxygen-rich stars. Observations are needed to determine the reality and characteristics of such weak features.

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