Interstellar grain composition and the infrared spectrum of OH26.5+0.6

Details Interstellar grain composition and the infrared spectrum of OH26.5+0.6 Interstellar grain composition and the infrared spectrum of OH26.5+0.6

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.202..971b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 202, Mar. 1983, p. 971-980.

Astronomy and Astrophysics

Astronomy

8

Chemical Composition, Cosmic Dust, Grain Boundaries, Hydroxyl Radicals, Infrared Spectra, Interstellar Matter, Stellar Models, Cellulose, Meteoritic Composition, Opacity, Radiative Transfer, Silicates, Stellar Envelopes, Stellar Evolution

Scientific paper

Theoretical infared spectra in the range 1 to 35 μm are compared for cellulose and various silicate materials. The dusty object OH 26.5 + 0.6 is modelled for illustrative purposes, and the full radiative transport is solved subject to the constraint of radiative equilibrium. The results appear to exclude cellulose as a viable candidate for the grain material. Meteoritic silicates provide a satisfactory fit to the 9.7 μm feature.

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