The extreme ultraviolet spectrum of dayside and nightside aurorae - 800-1400 A

Details The extreme ultraviolet spectrum of dayside and nightside aurorae - 800-1400 A The extreme ultraviolet spectrum of dayside and nightside aurorae - 800-1400 A

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88.4905p&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 88, June 1, 1983, p. 4905-4910.

Physics

35

Auroral Spectroscopy, Emission Spectra, Extreme Ultraviolet Radiation, Satellite Observation, Ultraviolet Spectra, Line Spectra, Lyman Alpha Radiation, Nitrogen, Oxygen Spectra

Scientific paper

Satellite observations of the auroral emission spectrum between 800 and 1400 Å at 8 Å resolution are presented. The spectrum is dominated by lines of neutral and ionized oxygen and nitrogen and by N2 Birge-Hopfield and Lyman-Birge-Hopfield band emission. A number of bright lines, most notably the O II 834 and the O I 989 and 1304 Å features, are detectable at all zenith angles sampled by the spectrometer (30-150°). The day auroral spectrum is dominated by atomic oxygen and nitrogen line emissions. The H I, 1216 Å Lyman alpha line is a prominent feature of many of the night and day auroral events.

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