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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, Lei1,2,3; Inhester, Bernd2; Feng, Li1,4; Liu, Siming1; Zhao, Xinhua4
2017-02-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume835Issue:2Pages:12
Corresponding AuthorInhester, Bernd(inhester@mps.mpg.de)
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.
Keywordsolar-terrestrial relations Sun: corona Sun: coronal mass ejections (CMEs) Sun: radio radiation
DOI10.3847/1538-4357/835/2/188
WOS KeywordCORONAL MASS EJECTIONS ; II RADIO-BURST ; STEREO MISSION ; SOURCE REGION ; RECONSTRUCTION ; TRIANGULATION ; SPACE ; MODEL ; LASCO ; WAVE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000401145700004
PublisherIOP PUBLISHING LTD
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23010
Collection中国科学院紫金山天文台
Corresponding AuthorInhester, Bernd
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
2.Max Planck Inst Solar Syst Res, Justus von Liebig Weg 3, D-37077 Gottingen, Germany
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China
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):12.
APA Lu, Lei,Inhester, Bernd,Feng, Li,Liu, Siming,&Zhao, Xinhua.(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),12.
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):12.
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