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Measure the Propagation of a Halo CME and Its Driven Shock with the Observations from a Single Perspective at Earth
Lu, Lei; Inhester, Bernd; Feng, Li; Liu, Siming; Zhao, Xinhua; Inhester, B (reprint author), Max Planck Inst Solar Syst Res, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL
2017
Volume835Issue:2Pages:188
ISSN0004-637X
Language英语
KeywordSolar-terrestrial Relations Sun: Corona Sun: Coronal Mass Ejections (Cmes) Sun: Radio Radiation
AbstractWe present a detailed study of an Earth-directed coronal mass ejection (full-halo CME) event that happened on 2011 February 15, making use of white-light observations by three coronagraphs and radio observations by Wind/WAVES. We applied three different methods to reconstruct the propagation direction and traveling distance of the CME and its driven shock. We measured the kinematics of the CME leading edge from white-light images observed by Solar Terrestrial Relations Observatory (STEREO) Aand B, tracked the CME-driven shock using the frequency drift observed by Wind/WAVES together with an interplanetary density model, and obtained the equivalent scattering centers of the CME by the polarization ratio (PR) method. For the first time, we applied the PR method to different features distinguished from LASCO/C2 polarimetric observations and calculated their projections onto white-light images observed by STEREO-A and STEREO-B. By combining the graduated cylindrical shell (GCS) forward modeling with the PR method, we proposed a new GCS-PR method to derive 3D parameters of a CME observed from a single perspective at Earth. Comparisons between different methods show a good degree of consistence in the derived 3D results.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5982
Collection空间科学部
Corresponding AuthorInhester, B (reprint author), Max Planck Inst Solar Syst Res, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
Recommended Citation
GB/T 7714
Lu, Lei,Inhester, Bernd,Feng, Li,et al. Measure the Propagation of a Halo CME and Its Driven Shock with the Observations from a Single Perspective at Earth[J]. ASTROPHYSICAL JOURNAL,2017,835(2):188.
APA Lu, Lei,Inhester, Bernd,Feng, Li,Liu, Siming,Zhao, Xinhua,&Inhester, B .(2017).Measure the Propagation of a Halo CME and Its Driven Shock with the Observations from a Single Perspective at Earth.ASTROPHYSICAL JOURNAL,835(2),188.
MLA Lu, Lei,et al."Measure the Propagation of a Halo CME and Its Driven Shock with the Observations from a Single Perspective at Earth".ASTROPHYSICAL JOURNAL 835.2(2017):188.
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20178352188.pdf(5764KB)期刊论文作者接受稿开放获取CC BY-NC-SAApplication Full Text
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