Mathematics – Logic
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..237c&link_type=abstract
Lunar and Planetary Science, volume 27, page 237
Mathematics
Logic
1
Asteroids, Meteorites, Organics, Spectroscopy
Scientific paper
Various hydrocarbon-bearing geological materials have been suggested as being possible structural analogues of the solvent insoluble organic fraction present in carbonaceous chondrites. In addition, putative hydrocarbon absorption features have been identified in the spectra of at least two asteroids. Detailed analysis of these features has been hampered by a general lack of spectral-compositional data on possible candidate terrestrial analogue materials. In order to provide possible constraints on the nature and abundance of hydrocarbons on candidate asteroid surfaces, spectral and compositional data on a wide variety of hydrocarbon-bearing geological materials are being assembled. These data will augment available spectra, which generally lack detailed compositional information and hence are of limited usefulness for detailed spectral analysis. The preliminary data suggest that two of the most important parameters controlling the appearance and intensity of HC absorption bands are organic phase abundance and composition and that HC absorption features, particularly in the 3.4 micrometer region, will be detectable for a wide range of organic contents and compositions.
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