Properties of the Geomagnetic Storm Main Phase and the Corresponding Solar Wind Parameters on 21–22 October 1999
We use the SYM-H index to indicate the ring current index. We find that there were two periods during which the SYM-H index decreased quickly during the main phase of the geomagnetic storm on 21–22 October 1999. The first period from 11:44 p.m. UT on 21 October 1999 to 1:35 a.m. UT on 22 October 199...
Main Authors: | Qi Li, Ming-Xian Zhao, Gui-Ming Le |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2022-06-01
|
Series: | Universe |
Subjects: | |
Online Access: | https://www.mdpi.com/2218-1997/8/7/346 |
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