あわらキャンパス３基線干渉計による木星デカメータ電波の出現頻度解析

概要

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The three short baselines radio interferometer system at Awara campus in Fukui University of Technology has been used for study of Jovian decameter radiation (DAM) for 9 years since 2001. DAM is concerned with Jovian auroral phenomena and its occurrence probability reflects the activity of Jovian magnetosphere. Since the discovery, it has been well known that the occurrence probability of DAM shows a long-term time variation with nearly 12-year periodicities in the past 50 years, however, the observation results at Awara campus from 2003 have showed the observed occurrence probability has been remained below the probability expected based on traditional observation results. We have paid attention to change in the occurrence probability and report the observation result in 2009.
2010-06-30