Computer Science
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989p%26ss...37..609e&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 37, May 1989, p. 609-626. Research supported by CNRS.
Computer Science
18
Auroral Electrojets, Helium Ions, Hydrogen Ions, Particle Precipitation, Polar Cusps, Satellite Observation, Cross Correlation, Interplanetary Magnetic Fields, Ionospheric Currents, Magnetosheath
Scientific paper
Particle data from the Aureol-3 satellite are used to study the effects of the polarity and amplitude of the IMF-Bz component and of AE on particle precipitation in the low-latitude cusp. It is found that the precipitation of H(+) and He (2+) ions often displays energy-latitude dispersions over 1 and 2 deg latitude which reflect the signature of the direct injection of plasma from the magnetosheath and the subsequent effect of the velocity filter. The results show that AE and Bz are best correlated with the position of the cusp boundaries when the ion precipitation in the cup is organized with ion dispersions.
Bosqued Jean Michel
Escoubet C.
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