Laboratory simulation of infrared astrophysical features

Details Laboratory simulation of infrared astrophysical features Laboratory simulation of infrared astrophysical features

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977phdt.........7r&link_type=abstract

Ph.D. Thesis Minnesota Univ., Minneapolis. School of Physics and Astronomy.

Astronomy and Astrophysics

Astrophysics

2

Astrophysics, Comets, Emission Spectra, Infrared Astronomy, Infrared Spectra, Spectrophotometers, Absorption Spectra, Broadband, Cosmic Dust, Grain Boundaries, Micrometers, Minerals, Silicates

Scientific paper

Intermediate resolution emission spectroscopy was used to study a group of 9 terrestrial silicates, 1 synthetic silicate, 6 meteorites and 2 lunar soils; comparisons were made with the intermediate resolution spectra of Comet Kohoutek in order to determine which materials best simulate the 10um astrophysical feature. Mixtures of silicates which would yield spectra matching the spectrum of the comet in the 10um region include: (1) A hydrous layer lattice silicate in combination with a high temperature condensate; (2) an amorphous magnesium silicate in combination with a high temperature condensate and (3) glassy olivine and glassy anorthite in approximately equal proportions.

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