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Multi-spacecraft Observations of the Coronal and Interplanetary Evolution of a Solar Eruption Associated with Two Active Regions
Hu, Huidong; Liu, Ying D.; Wang, Rui; Zhao, Xiaowei; Zhu, Bei; Yang, Zhongwei; Liu, YD (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China.; Liu, YD (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2017
Volume840Issue:2Pages:76
ISSN0004-637X
Language英语
KeywordSolar-terrestrial Relations Solar Wind Sun: Activity Sun: Coronal Mass Ejections (Cmes) Sun: Magnetic Fields
AbstractWe investigate the coronal and interplanetary evolution of a coronal mass ejection (CME) launched on 2010 September 4 from a source region linking two active regions (ARs), 11101 and 11103, using extreme ultraviolet imaging, magnetogram, white-light, and in situ observations from SDO, STEREO, SOHO, VEX, and Wind. A potential-field source-surface model is employed to examine the configuration of the coronal magnetic field surrounding the source region. The graduated cylindrical shell model and a triangulation method are applied to determine the kinematics of the CME in the corona and interplanetary space. From the remote sensing and in situ observations, we obtain some key results: (1) the CME was deflected in both the eastward and southward directions in the low corona by the magnetic pressure from the two ARs, and possibly interacted with another ejection, which caused that the CME arrived at VEX that was longitudinally distant from the source region; (2) although VEX was closer to the Sun, the observed and derived CME arrival times at VEX are not earlier than those at Wind, which suggests the importance of determining both the frontal shape and propagation direction of the CME in interplanetary space; and (3) the ICME was compressed in the radial direction while the longitudinal transverse size was extended.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5993
Collection空间科学部
Corresponding AuthorLiu, YD (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China.; Liu, YD (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Hu, Huidong,Liu, Ying D.,Wang, Rui,et al. Multi-spacecraft Observations of the Coronal and Interplanetary Evolution of a Solar Eruption Associated with Two Active Regions[J]. ASTROPHYSICAL JOURNAL,2017,840(2):76.
APA Hu, Huidong.,Liu, Ying D..,Wang, Rui.,Zhao, Xiaowei.,Zhu, Bei.,...&Liu, YD .(2017).Multi-spacecraft Observations of the Coronal and Interplanetary Evolution of a Solar Eruption Associated with Two Active Regions.ASTROPHYSICAL JOURNAL,840(2),76.
MLA Hu, Huidong,et al."Multi-spacecraft Observations of the Coronal and Interplanetary Evolution of a Solar Eruption Associated with Two Active Regions".ASTROPHYSICAL JOURNAL 840.2(2017):76.
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2017840276.pdf(5635KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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