Spatial distribution of O(supra 1D) from Comet Halley

Details Spatial distribution of O(supra 1D) from Comet Halley Spatial distribution of O(supra 1D) from Comet Halley

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.278..217r&link_type=abstract

In ESA, Proceedings of the International Symposium on the Diversity and Similarity of Comets p 217-222 (SEE N88-21884 14-91)

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2

Comet Heads, Emission Spectra, Halley'S Comet, Oxygen, Spatial Distribution, Fabry-Perot Interferometers, Photodecomposition, Photodissociation, Space Observations (From Earth)

Scientific paper

Images of Comet Halley in (OI)6300A emission obtained using a 150 mm Fabry-Perot spectrometer in the imaging mode were combined with spectra taken in the scanning mode to deduce the distribution of cometary O(1D) within a 10 arc min field of view centered on the comet head. The 10 km/sec bandpass of the system allows the distribution to be measured with little contamination from airglow O(1D) and cometary NH2 lines in the nearby spectrum. The results are modeled to provide photodestruction scale lengths for cometary H2O and OH, the predominant parents of O(1D). Results are compared with other experimental and theoretical results.

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