Auroral electron energy and flux from molecular nitrogen ultraviolet emission observed by the S3-4 satellite

Details Auroral electron energy and flux from molecular nitrogen ultraviolet emission observed by the S3-4 satellite Auroral electron energy and flux from molecular nitrogen ultraviolet emission observed by the S3-4 satellite

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....93.9854i&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Sept. 1, 1988, p. 9854-9866.

Physics

15

Auroral Zones, Electron Energy, Explorer 12 Satellite, Nitrogen, Ultraviolet Spectra, Balmer Series, Emission Spectra, Incident Radiation, Oxygen, Southern Hemisphere

Scientific paper

The UV spectra over the Southern Hemisphere nightside auroral oval have been obtained from an AFGL spctral/photometric experiment on board the low-altitude polar-orbiting S3-4 satellite. A detailed analysis of nightside auroral spectra from seven orbits between mid-May and June 1978 was performed to estimate the average energy and total energy flux of incident electrons. This study was based on observations of the N2 LBH(3-10) (1928 A) band and the N2 VK(0-5)(2604 A) band emission intensities and the application of model calculations by Strickland et al. (1983) and Daniell and Stickland (1986). Comparison of the estimated quantities with the statistical satellite measurement of incident particles by Hardy et al. (1985) indicates that the LBH(3-10) band emission intensity can be used to estimate the total energy flux of incident electrons, similar to the N2(+)1N (0-0)(3914 A) band emission intensity in the visible region.

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