Polar airglow and aurora

Details Polar airglow and aurora Polar airglow and aurora

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991cajph..69.1055m&link_type=abstract

Canadian Journal of Physics (ISSN 0008-4204), vol. 69, Aug.-Sept. 1991, p. 1055-1058. Research supported by Canadian Network for

Physics

3

Airglow, Auroras, Polar Caps, Auroral Spectroscopy, Interplanetary Magnetic Fields, Solar Activity Effects

Scientific paper

A survey of night airglow emissions in the polar cap shows stable emission intensities during quiet periods through the winter solstice. Those affected by particle precipitation, O I 5577 A and 6300 A, show great variability with solar activity and the state of the interplanetary magnetic field. A statistical study of electron-precipitation occurrence above 78 deg geomagnetic latitude shows events sufficient to result in observable enhancements in O I emission intensities in about 40 percent of the satellite passes in the magnetic latitude range from 79 to 83 deg and in about 15 percent of the passes for latitudes above 85 deg.

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