Computer Science
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987kosis..25..921v&link_type=abstract
Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 25, Nov.-Dec. 1987, p. 921-926. In Russian.
Computer Science
Cometary Atmospheres, Magnetic Field Configurations, Plasma Diagnostics, Satellite-Borne Instruments, Vega Project, Faraday Effect, Plasma Interactions, Solar Wind
Scientific paper
At its nearest approach to the nucleus of Comet Halley, Vega-1 observed a short-term (5-min) burst of ion fluxes at energies ranging frrom 100 to 1000 eV. Measurements of the plasma ion component during this burst are analyzed and then compared with simulataneous magnetic-field measurements. It is suggested that this burst (probably an essentially nonstationary and localized event) was caused by the motion of water-group cometary ions accelerated to a velocity of the order of 10 km/s. This acceleration might have been induced by the reconnection of magnetic fields of opposite polarity, frozen by the cometary plasma.
Eksford I.
Gringauz K. I.
Richter Arne K.
Verigin Mikhail I.
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