Laboratory spectra of protosilicates and the interstellar silicate absorption bands

Details Laboratory spectra of protosilicates and the interstellar silicate absorption bands Laboratory spectra of protosilicates and the interstellar silicate absorption bands

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980ap%26ss..68..159d&link_type=abstract

Astrophysics and Space Science, vol. 68, no. 1, Mar. 1980, p. 159-174.

Astronomy and Astrophysics

Astronomy

19

Absorption Spectra, Infrared Astronomy, Infrared Spectra, Interstellar Matter, Silicates, Absorptivity, Carbonates, Chemical Composition, Cosmic Dust, Minerals, Spectrum Analysis, Temperature Distribution

Scientific paper

Infrared spectra of submicrometer-sized particles of several protosilicates have been used to derive mass absorption coefficients. These data have been applied to describe the infrared radiation from the source OH 26.5+0.6 in terms of a simple model. A good fit of the 10 micron absorption feature could be achieved, but some discrepancies remain in the 20 micron region. The laboratory spectra revealed that the samples contained a small admixture of carbonates. The infrared spectrum of submicrometer-sized carbonate particles could also be considered.

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