Joint Ulysses and ACE observations of a magnetic cloud and the associated solar energetic particle event

被引：0
|
作者：
D. Lario
D.K. Haggerty
E.C. Roelof
S.J. Tappin
R.J. Forsyth
J.T. Gosling
机构：
[1] Johns Hopkins University,Applied Physics Laboratory
[2] University of Birmingham,School of Physics and Space Research
[3] The Blackett Laboratory,undefined
[4] Imperial College,undefined
[5] Los Alamos National Laboratory,undefined
来源：
Space Science Reviews | 2001年 / 97卷
关键词：
Solar Wind; Magnetic Cloud; Solar Energetic Particle; Solar Energetic Particle Event; Corotating Interaction Region;
D O I：
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学科分类号：
摘要：
On day 49 of 1999 a strong interplanetary shock was observed by the ACE spacecraft located at 1 AU from the Sun. This shock was followed 10 hours later by a magnetic cloud (MC). A large solar energetic particle (SEP) event was observed in association with the arrival of the shock and the MC at ACE. The Ulysses spacecraft, located at 22° S heliolatitude and nearly the same ecliptic longitude as ACE, observed a large SEP event beginning on day 54 that peaked with the arrival of a solar wind and magnetic field disturbance on day 61. A magnetic cloud was observed by Ulysses on days 63–64. We suggest a scenario in which both spacecraft intercepted the same MC, although sampling different regions of it. We describe the effects that the MC produced on the streaming of energetic particles at both spacecraft.
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页码：277 / 280
页数：3
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