Registration of ELF waves in rocket-satellite experiment with plasma injection

Details Registration of ELF waves in rocket-satellite experiment with plasma injection Registration of ELF waves in rocket-satellite experiment with plasma injection

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992adspr..12..151k&link_type=abstract

(Active experiments in space; Proceedings of the Topical Meeting of the Interdisciplinary Scientific Commission D /Meeting D3/ o

Physics

Energetic Particles, Ion Injection, Magnetic Anomalies, Plasma Generators, Plasma Jets, Cesium Ions, Ion Cyclotron Radiation, Magnetohydrodynamic Stability, Plasma Drift, Plasma Waves

Scientific paper

Two rocket KOMBI-SAMA experiments with plasma injection at height 100-240 km were performed in August 1987 in the region of Brazilian magnetic anomaly (L = 1.25). The launching time of the rocket was determined so that plasma injection was at the time when COSMOS 1809 satellite passed as close as possible to magnetic tube of injection. Caesium plasma jet was produced during not less than 300 s by an electric plasma generator separated from the payload. When the satellite passed the geomagnetic tube intersecting the injection region an enhancement of ELF emission at 140 Hz, 450 Hz by a factor of 2 was registered on board the satellite. An enhancement of energetic particle flux by a factor of 4-5 was registered on board the rocket. Observed ELF emission below 100 Hz is interpreted as the generation of oblique electromagnetic ion-cyclotron waves due to drift plasma instability at the front of the plasma jet.

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