Leonids Radiant Project 2001 in Japan

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McNaught and Asher (2001) predicted the precise positions of radiant points due to the 4-rev (1866 yr.) and 9-rev (1699 yr) dust trails of the Leonids. To establish the dust trail theory and to measure the flux and magnitude distribution of very faint meteors, we performed deep imaging telescopic observations with the cooled CCD camera toward the radiant points of the Leonids. 7 sites in Japan performed such coordinated observations; (i) Akeno Observatory, Institute for Cosmic Ray Research University of Tokyo, (ii) RIBOTS at Bisei Observatory, (iii) RIMOTS at Miyazaki Univ., (iv) Kiso Observatory, Institute of Astronomy, The University of Tokyo, (v) KSC Schmidt, Uchinoura Space Center, Institute of Space and Astronautical Science, (vi) Miyazaki Univ., (vii) NAOJ Mitaka. We observed the Leonids meteor storm Nov.18 UT 2001, and succeeded to separate the radiant points due to the 4-rev and 9-rev dust trails (Yanagisawa et al. 2003, Torii et al. 2003). We also succeeded to detect the faint meteors under 10 magnitudes (Ohnishi et al. 2003). This paper describes the detailed observation circumstances and a highlight of preliminary results.
長野工業高等専門学校の論文
2004-06-30