Identification of interstellar polysaccharides and related hydrocarbons

Details Identification of interstellar polysaccharides and related hydrocarbons Identification of interstellar polysaccharides and related hydrocarbons

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.271..229h&link_type=abstract

Nature, vol. 271, Jan. 19, 1978, p. 229-231.

Astronomy and Astrophysics

Astronomy

16

Hydrocarbons, Infrared Spectra, Interstellar Matter, Polysaccharides, Transmittance, Astronomical Models, Cellulose, Interstellar Chemistry

Scientific paper

It is shown that a mean 2.5-15 micrometers spectrum, computed on the basis of infrared transmittance spectra measurements is remarkably close to that required to explain a wide range of astronomical data, except for two significant points of departure. Transmittance spectra for four polysaccharides were obtained as a basis for the interpretation of the spectra of the galactic infrared sources. The similarity between a suitably normalized laboratory transmittance spectrum for propene and the data for the interstellar matter leads to the conclusion that the latter is propene-similar matter which is apparently closely associated with interstellar polysaccharides.

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