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Statistical study of co-rotating interaction region properties with STEREO and ACE observations
Huang, Yu; Song, Qi-Wu; Li, Dong
2017-10-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume17Issue:11Pages:8
Corresponding AuthorHuang, Yu(huangyu@pmo.ac.cn)
AbstractWe analyzed the data on co-rotating interaction regions (CIRs) measured by the Advanced Composition Explorer (ACE) and Solar TErrestrial RElations Observatory (STEREO) from 2007 to 2010. The CIRs were observed by STEREO B (STB), ACE and STEREO A (STA) one after another, and a total of 28 CIRs were identified in this work. Since the same characteristics of CIRs were detected by these three spacecraft at three different locations and times, these data can help us to study the evolutions of CIRs. For a single event, the properties of CIRs observed by the three spacecraft were quite different and could be explained by spatial or temporal variations. For all these 28 CIRs, STA and STB observed similar mean parameters, such as peak magnetic field strength (offset 11%), peak and change in solar wind speed (offset 3% and 10% respectively), peak proton temperature (offset 14%) and peak perpendicular pressure (offset 15%). Surprisingly, STA detected much higher (41%) peak density of protons than STB.
KeywordSun: solar wind Sun: rotation Sun: magnetic fields Sun: atmosphere Sun: evolution
DOI10.1088/1674-4527/17/11/111
WOS KeywordCOROTATING INTERACTION REGIONS ; SOLAR-WIND ; MORPHOLOGY ; AU
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000419581100002
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22161
Collection中国科学院紫金山天文台
Corresponding AuthorHuang, Yu
AffiliationChinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Huang, Yu,Song, Qi-Wu,Li, Dong. Statistical study of co-rotating interaction region properties with STEREO and ACE observations[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2017,17(11):8.
APA Huang, Yu,Song, Qi-Wu,&Li, Dong.(2017).Statistical study of co-rotating interaction region properties with STEREO and ACE observations.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(11),8.
MLA Huang, Yu,et al."Statistical study of co-rotating interaction region properties with STEREO and ACE observations".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 17.11(2017):8.
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