Articles | Volume 18, issue 8
31 Aug 2000
31 Aug 2000

Connections between whistlers and pulsation activity

J. Verö, B. Zieger, J. Szendröi, M. Vellante, J. Střesğtik, H. Lühr, A. Best, A. Körmendi, J. Lichtenberger, T. Ménesi, P. Bencze, F. Märcz, and V. Wesztergom

Abstract. Simultaneous whistler records of one station and geomagnetic pulsation (Pc3) records at three stations were compared. In a previous study correlation was found between occurrence and L value of propagation/excitation for the two phenomena. The recently investigated simultaneous records have shown that the correlation is better on longer time scales (days) than on shorter ones (minutes), but the L values of the propagation of whistlers/excitation of pulsations are correlated, i.e. if whistlers propagate in higher latitude ducts, pulsations have periods longer than in the case when whistlers propagate in lower latitude ducts.

Key words: Electromagnetics (wave propagation) - Magnetospheric physics (magnetospheric configuration and dynamics; MHD waves and instabilities)