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PROPAGATION OF THE 2012 MARCH CORONAL MASS EJECTIONS FROM THE SUN TO HELIOPAUSE
Liu, Ying D.; Richardson, John D.; Wang, Chi; Luhmann, Janet G.; Liu, YD (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China.
Department空间科学部
Source PublicationASTROPHYSICAL JOURNAL LETTERS
2014
Volume788Issue:2Pages:L28
ISSN2041-8205
Language英语
KeywordShock Waves Solar-terrestrial Relations Solar Wind Sun: Coronal Mass Ejections (Cmes) Sun: Heliosphere
AbstractIn 2012 March the Sun exhibited extraordinary activities. In particular, the active region NOAA AR 11429 emitted a series of large coronal mass ejections (CMEs) which were imaged by the Solar Terrestrial Relations Observatory as it rotated with the Sun from the east to west. These sustained eruptions are expected to generate a global shell of disturbed material sweeping through the heliosphere. A cluster of shocks and interplanetary CMEs were observed near the Earth, and are propagated outward from 1 AU using an MHD model. The transient streams interact with each other, which erases memory of the source and results in a large merged interaction region (MIR) with a preceding shock. The MHD model predicts that the shock and MIR would reach 120 AU around 2013 April 22, which agrees well with the period of radio emissions and the time of a transient disturbance in galactic cosmic rays detected by Voyager 1. These results are important for understanding the "fate" of CMEs in the outer heliosphere and provide confidence that the heliopause is located around 120 AU from the Sun.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4462
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.
Recommended Citation
GB/T 7714
Liu, Ying D.,Richardson, John D.,Wang, Chi,et al. PROPAGATION OF THE 2012 MARCH CORONAL MASS EJECTIONS FROM THE SUN TO HELIOPAUSE[J]. ASTROPHYSICAL JOURNAL LETTERS,2014,788(2):L28.
APA Liu, Ying D.,Richardson, John D.,Wang, Chi,Luhmann, Janet G.,&Liu, YD .(2014).PROPAGATION OF THE 2012 MARCH CORONAL MASS EJECTIONS FROM THE SUN TO HELIOPAUSE.ASTROPHYSICAL JOURNAL LETTERS,788(2),L28.
MLA Liu, Ying D.,et al."PROPAGATION OF THE 2012 MARCH CORONAL MASS EJECTIONS FROM THE SUN TO HELIOPAUSE".ASTROPHYSICAL JOURNAL LETTERS 788.2(2014):L28.
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