The disappearance of OH from Comet P/Encke

Details The disappearance of OH from Comet P/Encke The disappearance of OH from Comet P/Encke

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icar...55..250a&link_type=abstract

Icarus (ISSN 0019-1035), vol. 55, Aug. 1983, p. 250-258.

Other

28

Comets, Hydroxyl Emission, Light Curve, Astronomical Models, Brightness, Chemical Composition, Electrophotometry, Perihelions, Synthesis (Chemistry), Comets, Encke, Photoelectric Observations, Production Rates, Molecules, Lightcurves, Models, Abundance, Formation, Asymmetry, Spectrophotometry, Photometry, Microwaves, Iue, International Ultraviolet Explorer, Hydroxyl, Carbon, Cyanide

Scientific paper

Photoelectric observations of Comet P/Encke during its 1980 apparition are combined with other published data to relate molecular production rates to the visual lightcurve. In addition to a substantial asymmetry about perihelion which is already well known, there are shorter-term variations in specific molecules which have not been duplicated by models. The most dramatic of these fluctuations is a rapid decrease by more than a factor of 3 in the production of OH at 0.75 AU preperihelion.

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