Physics
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jatp...47..941g&link_type=abstract
(IUGG, IAGA, USAF, et al., International Symposium on Equatorial Aeronomy, 7th, Hong Kong, Mar. 22-29, 1984) Journal of Atmosphe
Physics
5
Equatorial Atmosphere, Explorer 55 Satellite, F Region, Ionospheric Heating, Satellite-Borne Instruments, Ionospheric Ion Density, Ionospheric Temperature, Neutral Gases, Wind Velocity
Scientific paper
Simultaneous in situ measurements were made by a number of instruments on board the Atmospheric Explorer E (AE-E) satellite of the densities and temperatures of neutrals and ions and wind velocity transverse to the orbital direction. In a near circular orbit inclined 20 deg and at about 250 km altitude in 1977, during periods of magnetic activity, perturbations were observed at very low latitudes for a limited range of longitudes in the distribution along the orbit of oxygen, nitrogen, helium, argon, and electron density and temperature, neutral and ion temperatures, and the north-south winds. These perturbations appear like those seen in auroral regions in the thermosphere at the same altitude where heat is deposited due to precipitation and currents. The explanation is that localized heating was occurring by some means. Possible sources for this heating are considered.
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