JAXA Repository / AIREX 未来へ続く、宙(そら)への英知
SA4657954.pdf256.94 kB
titleMeteoroid Clusters in Leonids
Author(jpn)渡部, 潤一; 田部, 一志; 長谷川, 均; 橋本, 岳真; 布施, 哲治; 吉川, 真; 阿部, 新助; 鈴木, 文二
Author(eng)WATANABE, Jun-ichi; TABE, Isshi; HASEGAWA, Hitoshi; HASHIMOTO, Takema; FUSE, Tetsuharu; YOSHIKAWA, Makoto; ABE, Shinsuke; SUZUKI, Bunji
Author Affiliation(jpn)国立天文台; リブラ; アステック; 日本流星研究会; 国立天文台 すばる望遠鏡; 宇宙科学研究所; 宇宙科学研究所; 三郷工業技術高等学校
Author Affiliation(eng)National Astronomical Observatory of Japan; Libra Co. Ltd.; ASTEC, Inc.; Nippon Meteor Society; Subaru Telescope, National Astronomical Obsservatory of Japan; The Institute of space and Astronautical Science; The Institute of space and Astronautical Science; Misato Tech. HS
Issue Date2003-03
PublisherInstitute of Space and Astronautical Science
Publication titleThe Institute of Space and Astronautical Science repot. S.P.
Start page223
End page226
Publication date2003-03
AbstractDuring the 2001 Leonids storm over Japan, several short-duration "outbursts" inwhich more than 20-40 meteors appeared in a few seconds, have been reported. The meteors in theseevents were extremely localized within a few hundred km, which suggest the recent fragmentationof meteoroids during the orbital motion in the interplanetary space. Considering the extent ofthe spatial distribution, we conclude that the fragmentation should have occurred at around theperihelion passage of the meteoroids just before encountering the Earth.
Document TypeDepartmental Bulletin Paper
JAXA Category宇宙科学研究所

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