Theoretical and experimental studies relevant to interpretation of auroral emissions

Details Theoretical and experimental studies relevant to interpretation of auroral emissions Theoretical and experimental studies relevant to interpretation of auroral emissions

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994alab.reptq....k&link_type=abstract

Final Report Alabama Univ., Huntsville, AL. Dept. of Physics.

Physics

Auroras, Dayglow, Earth Orbital Environments, Emission Spectra, Satellite Imagery, Satellite-Borne Instruments, Space Environment Simulation, Space Platforms, Terrestrial Radiation, Ultraviolet Radiation, Auroral Spectroscopy, Optical Filters, Radiation Measurement, Reflectance, Ultraviolet Spectroscopy

Scientific paper

This report describes the accomplishments of a program designed to develop the tools necessary to interpret auroral emissions measured from a space-based platform. The research was divided into two major areas. The first area was a laboratory study designed to improve our understanding of the space vehicle external environment and how it will affect the space-based measurement of auroral emissions. Facilities have been setup and measurements taken to simulate the gas phase environment around a space vehicle; the radiation environment encountered by an orbiting vehicle that passes through the Earth's radiation belts; and the thermal environment of a vehicle in Earth orbit. The second major area of study was a modeling program to develop the capability of using auroral images at various wavelengths to infer the total energy influx and characteristic energy of the incident auroral particles. An ab initio auroral calculation has been added to the extant ionospheric/thermospheric global modeling capabilities within our group. Once the addition of the code was complete, the combined model was used to compare the relative intensities and behavior of various emission sources (dayglow, aurora, etc.). Attached papers included are: 'Laboratory Facility for Simulation of Vehicle-Environment Interactions'; 'Workshop on the Induced Environment of Space Station Freedom'; 'Radiation Damage Effects in Far Ultraviolet Filters and Substrates'; 'Radiation Damage Effects in Far Ultraviolet Filters, Thin Films, and Substrates'; 'Use of FUV Auroral Emissions as Diagnostic Indicators'; and 'Determination of Ionospheric Conductivities from FUV Auroral Emissions'.

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