A proposal to induce pulsating aurora by injecting ions from a rocket at the magnetic conjugate ionosphere to modify the flowing cyclotron maser

Details A proposal to induce pulsating aurora by injecting ions from a rocket at the magnetic conjugate ionosphere to modify the flowing cyclotron maser A proposal to induce pulsating aurora by injecting ions from a rocket at the magnetic conjugate ionosphere to modify the flowing cyclotron maser

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.590..613c&link_type=abstract

In: 17th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 30 May - 2 June 2005, Sandefjord, Norway.

Physics

Ionosphere, Aurorae

Scientific paper

There is experimental evidence for the artificial induction of Flowing Cyclotron Maser (FCM) by reflection coefficient modification. It is the close correlation of auroral pulsations and auroral VLF emissions that is the experimental basis of the theory. We review experiments with ionospheric barium vapor releases, when auroral pulsations were apparently triggered. This effect has been observed during a Ba-release rocket campaign in Alaska. In this experiment, the stimulation of auroral pulsations generated by a Ba-release during special auroral activity was clearly observed. Similar results were obtained during a Russian rocket campaign to release barium vapor in the ionosphere over the North Atlantic. It seems that changing the reflection coefficient is a main reason for the generation of auroral pulsations in both Ba release experiments. Thus, the apparent dependence of the cyclotron instability increment on the reflection coefficient of the FCM foot point parameters give us the possibility of modifying FCM by creating ion clouds in the ionosphere. It is proposed as a part of the RESONANCE satellite project to create an artificial ion cloud at the magnetic conjugate point of the satellite from Poker Flat Research Range during the satellite passage over Alaska. The details of the proposed experiment and the necessary geophysical situation are still under discussion.

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