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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Influence of Saturnian moons on Saturn kilometric radiation
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Influence of Saturnian moons on Saturn kilometric radiation

机译：土星的卫星对土星公里的辐射

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摘要

Similar to past studies at Jupiter, we conduct an investigation of possible associations of radio emission occurrence probability with the orbital phases of Saturnian moons. We use a new definition of the Saturn longitude system (SLS) based on the results of Kurth et al. (2007). This paper presents results of our findings to date, sampling a large portion of the Radio and Plasma Wave Science (RPWS) instrument data over the frequency range 12 kHz < f < 16 MHz. We also investigate the intensity of Saturn kilometric radiation (SKR) as a function of the local time and subsolar longitude. When Titan is near a local time of midnight, there is a significant increase in the occurrence probability of SKR and a diminution of SKR when Titan is near local noon and afternoon. This indicates Titan may play a role in the process of substorm generation at Saturn perhaps due to its large plasma wake. Rhea displays a marginal orbital phase “control” of a subset of the SKR. In the past there have been conflicting reports of the absence of SKR emission at particular local times of Dione. We find no long-term, statistical influence of Dione on SKR occurrence probability. In addition, we find no significant statistical influence of Enceladus or Tethys on SKR occurrence probability.
机译：在木星类似于过去的研究,我们进行调查可能的无线电协会发射轨道发生概率阶段的土星的卫星。土星经度的定义系统(SLS)基于耷拉下来et al .(2007)库尔思的结果。提出了我们的研究结果,抽样的很大一部分广播和等离子体波科学(rpw)数据的工具频率范围12 kHz < f < 16兆赫。调查土星公里的强度辐射(SKR)当地时间的函数和现世的经度。当地时间午夜,意义重大SKR和发生概率的增加减少的SKR当泰坦是当地中午附近和下午。在亚暴生成过程中的作用土星可能由于其庞大的等离子体。显示一个边际轨道阶段“控制”SKR的子集。相互矛盾的报道SKR的缺失排放在当地特定的土卫四倍。找不到长期统计土卫四的影响在SKR发生概率。发现没有明显的统计的影响土卫二和土卫三SKR发生概率。

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