New kinetic evidence for the near-earth reconnection

被引：20
|
作者：
Fujimoto, M
Nakamura, MS
Nagai, T
Mukai, T
Yamamoto, T
Kokubun, S
机构：
[1] NAGOYA UNIV,DEPT PHYS,NAGOYA,AICHI 46401,JAPAN
[2] INST SPACE & ASTRONAUT SCI,SAGAMIHARA,KANAGAWA 229,JAPAN
[3] NAGOYA UNIV,STEL,TOYOKAWA,AICHI 442,JAPAN
来源：
GEOPHYSICAL RESEARCH LETTERS | 1996年 / 23卷 / 18期
关键词：
D O I：
10.1029/96GL02429
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
An anomalously large southward Bz (-23 nT) is detected in association with tailward jet (1600 km/s) by GEOTAIL at X(GSM) = -46 R(E). Variations of MHD parameters suggest that the large southward Bz is caused by piling-up of reconnected field lines by the jet against the standing plasma sheet. In addition, the ion distribution at the time of the large southward Bz is found to show a counter streaming ions (CSI) feature. A hybrid simulation of a reconnection process not only reproduces this feature, but also proves that the CSI ions are from both the lobes. Taking this CSI feature as new kinetic evidence that both the lobes are magnetically connected, we firmly conclude that the event is interpreted in terms of near-Earth reconnection.
引用
收藏
页码：2533 / 2536
页数：4
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