NAOC Open IR
An investigation of flare emissions at multiple wavelengths
Li, Dong1,2,3; Warmuth, Alexander4; Lu, Lei1; Ning, Zongjun1,5
2021-04-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume21Issue:3Pages:9
AbstractWe report multi-wavelength observations of four solar flares on 2014 July 07. We firstly select these flares according to the soft X-ray (SXR) and extreme ultraviolet (EUV) emissions recorded by the Extreme Ultraviolet Variability Experiment and Geostationary Orbiting Environmental Satellites. Then their locations and geometries are identified from the full-disk images measured by the Atmospheric Imaging Assembly (AIA), and the time delays among the light curves in different channels are identified. The electron number densities are estimated using the differential emission measure method. We find that three of four flares show strong emissions in SXR channels and high temperature (>6 MK) EUV wavelengths during the impulsive phase, i.e., AIA 131 angstrom and 94 angstrom, and then they emit peak radiation subsequently in the middle temperature (similar to 0.6-3 MK) EUV channels. Moreover, they last for a long time and have smaller electron densities, which are probably driven by the interaction of hot diffuse flare loops. Only one flare emits radiation at almost the same time in all the observed wavelengths, lasts for a relatively short time, and has a larger electron density. It is also accompanied by a type III radio burst. The bright emission at the EUV channel could be corresponding to the associated erupting filament.
KeywordSun: flares Sun: radio radiation Sun: UV radiation Sun: X-rays, gamma rays
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR
DOI10.1088/1674-4527/21/3/66
WOS KeywordCORONAL MASS EJECTIONS ; ULTRAVIOLET LATE-PHASE ; X-RAY-EMISSION ; MAGNETIC RECONNECTION ; SOLAR-FLARES ; CHROMOSPHERIC EVAPORATION ; ENERGY-RELEASE ; ASO-S ; PARTICLE-ACCELERATION ; RHESSI OBSERVATIONS
Language英语
Funding ProjectNational Natural Science Foundation of China[11973092] ; National Natural Science Foundation of China[11790300] ; National Natural Science Foundation of China[11790302] ; National Natural Science Foundation of China[11729301] ; National Natural Science Foundation of China[12073081] ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences[XDA15052200] ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences[XDA15320301] ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science[KLSA202003] ; DLR[50 QL 1701]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; CAS Strategic Pioneer Program on Space Science ; CAS Strategic Pioneer Program on Space Science ; DLR ; DLR
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000657380300001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77125
Collection中国科学院国家天文台
Corresponding AuthorLi, Dong
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Sci, Nanjing 210033, Peoples R China
2.Natl Astron Observ, CAS Key Lab Solar Act, Beijing 100101, Peoples R China
3.Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China
4.Leibniz Inst Astrophys Potsdam AIP, Sternwarte 16, D-14482 Potsdam, Germany
5.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Li, Dong,Warmuth, Alexander,Lu, Lei,et al. An investigation of flare emissions at multiple wavelengths[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2021,21(3):9.
APA Li, Dong,Warmuth, Alexander,Lu, Lei,&Ning, Zongjun.(2021).An investigation of flare emissions at multiple wavelengths.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,21(3),9.
MLA Li, Dong,et al."An investigation of flare emissions at multiple wavelengths".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 21.3(2021):9.
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