Feb 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.301..405c&link_type=abstract
Nature, vol. 301, Feb. 3, 1983, p. 405, 406. NASA-NSF-supported research.
Other
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Albedo, Comet Nuclei, Ice, Optical Reflection, Absorption Spectra, Spectrophotometry, Comets, Bowell Comet, Ice, Data, Volatiles, Comet Nuclei, Brightness, Observations, Reflectivity, Spectra, Absorption, Water, Hydration, Spectrophotometry, Grains, Particles, Albedo, Comparisons, Temperature, Production Rate
Scientific paper
Results of observations of the reflected light in the 1-5 micron region of the spectrum from the Comet Bowell are presented as part of the attempt to directly detect the presence of frozen volatiles in the nucleus of a comet. A deep absorption at 3.25 microns is detected in Comet Bowell which is due to the presence of H2O ice. While other volatile ices have absorption features near 3 microns, it is shown that only H2O ice is a plausible identification at the heliocentric distance of Comet Bowell during the observations (3.4 AU) since only H2O grains are stable enough to have produced the observed absorption. The implications of these findings for models of cometary nuclei are examined.
Campins Humberto
Lebofsky Marcia J.
Rieke George H.
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