Deducing composition and incident electron spectra from ground-based auroral optical measurements: A study of auroral red line processes
Journal Article
·
· Journal of Geophysical Research; (USA)
- E. O. Hulburt Center for Space Research, Naval Research Laboratory, Washington, D.C. (USA)
- Computational Physics, Inc., Annandale, Virginia
- Space Sciences Laboratory, The Aerospace Corporation, Los Angeles (USA)
We conclude from a study of the production and loss of O({sup 1}{ital D}) in auroras that the traditional'' sources, direct electron impact excitation of atomic oxygen and dissociative recombination of molecular oxygen ions, can account for most of the O I 6300-A emission rate. In a specific application of the model to the comprehensive observation of an auroral event by Sharp et al. (1979), we show that there is no compelling need for the reaction N({sup 2}{ital D})+O{sub 2}{r arrow}NO+O({sup 1}{ital D}). We also present a study of the sensitivity of the red line emission rate to a wide variety of input conditions. {copyright} American Geophysical Union 1989
- OSTI ID:
- 5150581
- Journal Information:
- Journal of Geophysical Research; (USA), Vol. 94:A10; ISSN 0148-0227
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AURORAE
ELECTRON SPECTRA
OXYGEN
ATMOSPHERIC CHEMISTRY
CALCULATION METHODS
CHEMICAL COMPOSITION
ELECTRON PRECIPITATION
EMISSION SPECTRA
OPTICAL EQUIPMENT
RECOMBINATION
CHARGED-PARTICLE PRECIPITATION
CHEMISTRY
ELEMENTS
EQUIPMENT
NONMETALS
SPECTRA
640201* - Atmospheric Physics- Auroral
Ionospheric
& Magetospheric Phenomena
GENERAL PHYSICS
AURORAE
ELECTRON SPECTRA
OXYGEN
ATMOSPHERIC CHEMISTRY
CALCULATION METHODS
CHEMICAL COMPOSITION
ELECTRON PRECIPITATION
EMISSION SPECTRA
OPTICAL EQUIPMENT
RECOMBINATION
CHARGED-PARTICLE PRECIPITATION
CHEMISTRY
ELEMENTS
EQUIPMENT
NONMETALS
SPECTRA
640201* - Atmospheric Physics- Auroral
Ionospheric
& Magetospheric Phenomena