CME-flare association during the 23rd solar cycle

被引：14
|
作者：
Mahrous, A. [1 ]
Shaltout, M. [2 ]
Beheary, M. M. [3 ]
Mawad, R. [3 ]
Youssef, M. [2 ]
机构：
[1] Helwan Univ, Fac Sci, Dept Phys, Ain Helwan 11795, Egypt
[2] Natl Res Inst Astron & Geophys, Helwan 11722, Egypt
[3] El Azhar Univ, Fac Sci, Dept Phys, Nasr City 12311, Egypt
来源：
ADVANCES IN SPACE RESEARCH | 2009年 / 43卷 / 07期
关键词：
Solar wind; Coronal mass ejections; Solar flares; CORONAL MASS EJECTIONS; INTERPLANETARY SHOCKS; II BURSTS; TRANSIENTS; EVENTS;
D O I：
10.1016/j.asr.2009.01.028
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The relation between coronal mass ejections (CMEs) and solar flares are statistically Studied. More than 10,000 CME events observed by SOHO/LASCO during the period 1996-2005 have been analyzed. The soft X-ray flux measurements provided by the Geostationary Operational Environmental Satellite (GOES), recorded more than 20,000 flares in the same time period. The data is filtered under certain temporal and spatial conditions to select the CME-flare associated events. The results show that CME-flare associated events arc triggered with a lift-off time within the range 0.4-1.0 h. We list a set of 41 CME-flare associated events satisfying the temporal and spatial conditions. The listed events show a good correlation between the CME energy and the X-ray flux of the CME-flare associated events with correlation coefficient of 0.76. (C) 2009 COSPAR. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1032 / 1035
页数：4
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