First negative band system of nitrogen in the night sky over Arecibo during geomagnetic storms

Details First negative band system of nitrogen in the night sky over Arecibo during geomagnetic storms First negative band system of nitrogen in the night sky over Arecibo during geomagnetic storms

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.1279m&link_type=abstract

Journal of Geophysical Research, vol. 85, Mar. 1, 1980, p. 1279-1284.

Physics

Magnetic Storms, Night Sky, Nightglow, Nitrogen Ions, Molecular Ions, Molecular Spectroscopy, Spectral Bands, Time Response, Tropical Regions

Scientific paper

Observations of the airglow emission from N2(+) ions at 4278 A over Arecibo, Puerto Rico, during geomagnetic storms are presented. Surface brightnesses up to 0.8 R were measured which revealed brightness fluctuations of 20% during 30 min periods attributed to fluctuations in the energetic particle flux that excites the emission. A strong correlation was found between brightness and geomagnetic activity that was not apparent in previous measurements; measurements of the rotational temperature of emission were prevented by contamination from molecular oxygen Herzberg bands which were significant at the very low levels of nitrogen emission.

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