Comparison of the 3.36 micrometer feature to the ISM

Details Comparison of the 3.36 micrometer feature to the ISM Comparison of the 3.36 micrometer feature to the ISM

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ioch.rept...79t&link_type=abstract

In NASA, Washington, Infrared Observations of Comets Halley and Wilson and Properties of the Grains p 79-82 (SEE N89-13330 04-89

Physics

Carbonaceous Materials, Cometary Atmospheres, Emission Spectra, Halley'S Comet, Interstellar Matter, Absorption Spectra, Hydrocarbons, Infrared Spectra, Silicates

Scientific paper

It has been noted that the 3.36 micrometer emission feature is not the same as that of any ISM band at 3.4 micrometer. This is documented herein. There is no convincing analog to the cometary 3.36 micrometer emission feature seen in the Interstellar Matter band. This fact suggests that if the carbonaceous material in comets came from the ISM, it was either further processed in the solar nebula or has a different appearance because of the different excitation environment of the sun and ISM.

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