Magnetospheric Effects of Comet SL-9

pi计划继续对SL-9彗星/木星撞击所产生的磁层效应进行理论研究。最近，他们根据南半球电离层和共轭电离层之间的电动力学相互作用，对中纬度极光进行了定性解释。希尔将开发一个发电机相互作用的定量数值模型，以测试其重现观测到的极光弧形态和动力学的能力。通过干扰现有的电子辐射带模型，并与观测到的频率相关的分米辐射恢复进行比较，他们将改进木星内部辐射带的信息，否则将无法观测到。最后，他们将继续研究磁层电子对彗星尘埃的充电

The PIs propose to continue their theoretical study of the observed magnetospheric effects of the comet SL-9/Jupiter impacts. Recently, they have developed a qualitative interpretation of the mid-latitude aurora in terms of an electrodynamic interaction between the southern-hemisphere ionosphere and the conjugate ionosphere. Hill will develop a quantitative numerical model of this dynamo interaction in order to test its ability to reproduce the observed auroral arc morphology and dynamics. By perturbing existing models of the electron radiation belt and comparing with observed frequency-dependent recovery of the decimetric emissions, they will refine information about the otherwise unobserved inner radiation belt of Jupiter. Finally, they will continue investigating the charging of cometary dust by magnetospheric electrons.***