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Statistics of Low Frequency Cutoffs for Type III Radio Bursts Observed by Parker Solar Probe during Its Encounters 1-5
Ma, Bing1,2; Chen, Ling1,3; Wu, Dejin1; Bale, Stuart D.4,5,6,7
2021-05-01
Source PublicationASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
Volume913Issue:1Pages:6
AbstractThe low frequency cutoffs f ( lo ) and the observed plasma frequency f ( p ) of 176 type III radio bursts are investigated in this paper. These events are observed by the Parker Solar Probe when it is in the encounter phase from the first to the fifth orbit. The result shows that the distribution of cutoffs f ( lo ) is widely spread between 200 kHz and 1.6 MHz. While the plasma frequency f ( p ) at the spacecraft is between 50 and 250 kHz, which is almost all smaller than f ( lo ). The result also shows that the maximum probability distribution of f ( lo ) (similar to 680 kHz) is remarkably higher than that observed by Ulysses and Wind (similar to 100 kHz) in previous research. Three possible reasons, i.e., solar activity intensity, event electing criteria, and radiation attenuation effect, are also preliminarily discussed.
Funding OrganizationNSFC ; NSFC ; NASA ; NASA ; NSFC ; NSFC ; NASA ; NASA ; NSFC ; NSFC ; NASA ; NASA ; NSFC ; NSFC ; NASA ; NASA
DOI10.3847/2041-8213/abfb77
WOS KeywordELECTRON EVENTS ; EMISSION ; WIND
Language英语
Funding ProjectNSFC[41531071] ; NSFC[BK20191513] ; NSFC[11873018] ; NSFC[11790302] ; NSFC[11761131007] ; NASA[NNN06AA01C]
Funding OrganizationNSFC ; NSFC ; NASA ; NASA ; NSFC ; NSFC ; NASA ; NASA ; NSFC ; NSFC ; NASA ; NASA ; NSFC ; NSFC ; NASA ; NASA
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000655260900001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77576
Collection中国科学院国家天文台
Corresponding AuthorMa, Bing
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Key Lab Planetary Sci, Nanjing 210023, Peoples R China
2.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Peoples R China
3.Natl Astron Observ, CAS Key Lab Solar Act, Beijing 100012, Peoples R China
4.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
5.Univ Calif Berkeley, Phys Dept, Berkeley, CA 94720 USA
6.Imperial Coll London, Blackett Lab, London SW7 2AZ, England
7.Queen Mary Univ London, Sch Phys & Astron, London E1 4NS, England
Recommended Citation
GB/T 7714
Ma, Bing,Chen, Ling,Wu, Dejin,et al. Statistics of Low Frequency Cutoffs for Type III Radio Bursts Observed by Parker Solar Probe during Its Encounters 1-5[J]. ASTROPHYSICAL JOURNAL LETTERS,2021,913(1):6.
APA Ma, Bing,Chen, Ling,Wu, Dejin,&Bale, Stuart D..(2021).Statistics of Low Frequency Cutoffs for Type III Radio Bursts Observed by Parker Solar Probe during Its Encounters 1-5.ASTROPHYSICAL JOURNAL LETTERS,913(1),6.
MLA Ma, Bing,et al."Statistics of Low Frequency Cutoffs for Type III Radio Bursts Observed by Parker Solar Probe during Its Encounters 1-5".ASTROPHYSICAL JOURNAL LETTERS 913.1(2021):6.
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