Spatial distribution of O(1D) from comet Halley

K. Magee-Sauer, F. L. Roesler, F. Scherb, J. Harlander, R. J. Oliversen

Research output: Contribution to journalArticlepeer-review


Images of Comet Halley in [OI]6300-Å emission, obtained using the Wisconsin 150-mm Fabry-Perot spectrometer in the imaging mode, have been combined with spectra taken in the scanning mode to deduce the distribution of cometary O(1D) within an approximately 10-arc minute field of view centered on the comet head. The 10 km sec-1 bandpass of the system allowed the distribution to be measured with little contamination from airglow [OI]6300 and cometary NH2 lines in the nearby spectrum. The results were modeled to provide photodestruction lifetimes for cometary H2O and OH, the predominant parents of O(1D). Our results are compared with other experimental and theoretical results.

Original languageEnglish (US)
Pages (from-to)89-99
Number of pages11
Issue number1
StatePublished - Oct 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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