Computer Science – Sound
Scientific paper
Aug 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981cajph..59.1083m&link_type=abstract
Canadian Journal of Physics, vol. 59, Aug. 1981, p. 1083-1088.
Computer Science
Sound
5
Auroras, Electron Energy, Geomagnetic Pulsations, Ionospheric Sounding, Plasma Probes, Rocket Sounding, Earth Magnetosphere, Electron Density (Concentration), Flux (Rate), Pulsed Radiation, Rocket-Borne Instruments
Scientific paper
Plasma probe experiments consisting of a Langmuir probe and a hemispherical gridded analyzer flown on each of two Black Brant rockets during the Pulsating Aurora Campaign in Canada in February 1980 are discussed. It is noted that electron temperature, suprathermal electron flux, and electron density profiles were obtained up to altitudes of approximately 150 km. The peak electron densities at 120 km of about 200,000/cu cm are found to be consistent with primary particle fluxes having Maxwellian distributions with a characteristic energy of about 2 keV. The integral flux of secondary electrons, with energies greater than 4 eV, increases with altitude and reaches fluxes of 3.0 x 10 to the 7th and 1.7 x 10 to the 9th/sq cm-s-sr on the two flights. A close correlation is found between the optical pulsations and pulsations in the suprathermal flux which were three times the background flux.
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