Fluxes of low-energy electrons in the polar caps according to Meteor-satellite data

Details Fluxes of low-energy electrons in the polar caps according to Meteor-satellite data Fluxes of low-energy electrons in the polar caps according to Meteor-satellite data

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ge%26ae..23.1019l&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 23, Nov.-Dec. 1983, p. 1019-1021. In Russian.

Physics

Electron Energy, Electron Flux Density, Polar Caps, Satellite Observation, Electron Precipitation, Magnetic Disturbances, Soviet Spacecraft

Scientific paper

An analysis of Meteor-satellite data obtained from July 1977 to June 1978 shows that the presence of low-energy electrons (E = 0.1-20 keV) in the polar caps was practically constant, irrespective of the level of geomagnetic activity, although in individual cases their intensity did not exceed background values. Attention is given to type II electron precipitations with a very hard spectrum, recorded above the northern polar cap on December 13, 1977 in the morning and night sectors. In addition, it is shown that the differential intensity of electrons with energies of 10-20 keV in type III precipitations can attain values of 1,000,000/(sq cm s sr keV) even in the absence of intense magnetic disturbances.

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