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Observations of Electromagnetic Emissions inside the Earth's Plasmasphere from the Interball-1 Satellite

机译:从Interball-1卫星观测地球等离子层内部的电磁辐射

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The spectrum analyzer AKR-X onboard the Interball-1 satellite at the beginning (August-October 1995) and at the end (August-October 2000) of satellite operation in perigees of its orbital motion recorded and analyzed electromagnetic emissions of the inner regions of the Earth's plasmasphere in the frequency band 100-1500 kHz at distances of 1.1-1.8 R_E. The observations have shown that the electromagnetic modes (the Z and LO modes escaping the magnetosphere) which are formed at the altitudes 600-4000 km are associated with the subauroral nonthermal continuum and with the recently discovered kilometric continuum. There are noticeable differences in the spectral character of these emissions during the minimum (1996) and maximum (2000) solar activity, when, as a rule, the LO mode escaping the plasmaphere and the continua are not present.
机译:频谱分析仪AKR-X在卫星运行开始时(1995年8月至10月)和卫星运行结束时(2000年8月10月)结束时在Interball-1卫星上进行了记录,并分析了该卫星内部区域的电磁辐射距离为1.1-1.8 R_E的100-1500 kHz频带中的地球等离子层。观测结果表明,在600-4000 km高度形成的电磁模式(Z和LO模式逃离了磁层)与极光下非热连续体以及最近发现的公里连续体有关。这些辐射的光谱特征在最小(1996年)和最大(2000年)太阳活动期间存在显着差异,通常,当不存在逃逸等离子体波和连续体的LO模式时。

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