Faculty of Integrated, Arts and Sciences, the University of Tokushima
Radio Science Center for Space and Atomosphere, Kyoto University
Department of Communication and Computer Engineering, Graduate School of Informatics, Kyoto University
Department of Communication and Computer Engineering, Graduate School of Informatics, Kyoto University
Radio Science Center for Space and Atomosphere, Kyoto University
Faculty of Integrated, Arts and Sciences, the University of Tokushima
出版者
宇宙科学研究所
出版者（英）
Institute of Space and Astronautical Science
雑誌名
The Institute of Space and Astronautical Science report. S.P. : Proceedings of the 2002 International Science Symposium on the Leonid Meteor Storms
巻
15
ページ
89 - 96
発行年
2003-03
抄録（英）
The meteor head echo observation using the MU radar (46.5 MHz, I MW), Shigaraki,Japan has been developed since 1998 for Leonid meteor observations. Orbits of faint meteorswith +15 magnitude can be measured with a precision of 0.5 degree (Nishimura et al., 2001).Simultaneous optical observation with an ICCD (Image-intensifled CCD) video camera was carriedout. Instantaneous radar signal intensity and video magnitudes are closely compared by using atime-recording system synchronized to GPS signals. We have found that the light curve and timevariation of radar signal intensity compares fairly well in many cases, but quite frequently the radarsignal becomes decreased by 10-20 dB quickly without any significant change of video magnitude.This suggests a change of radar scattering mechanism of a meteor head during the flight.
Simultaneous observation of the faint meteors by the MU radar head echo mode and a high sensitive video camera
SA4641755.pdf
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