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Three-dimensional distribution of the escape photons of H alpha flares
Sun MG(孙明国)1,3; Qu ZQ(屈中权)1; Xu Z(徐稚)2; Zhang XY(张霄宇)1; Xu CL(胥成林)1,3; Wang S(王帅)1,3; Jin CL(金春兰)1,3; Sun, MG (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
2006
Volume6Issue:1Pages:87-95
DOI10.1088/1009-9271/6/1/010
Contribution Rank第1完成单位
Indexed BySCI
KeywordLine : Formation Radiative Transfer Sun : Flares
AbstractA technique for obtaining a three-dimensional distribution of received photons in Ha flares in the solar atmosphere is presented. It is well known that during flares hydrogen atoms in the chromosphere and photosphere are excited (even ionized) by the downward heating of non-thermal particles and then emit Ha. photons. We trace back these Ha photons to their original layers by use of the contribution function in the theory of spectral line formation, and so acquire their three-dimensional (3D) distribution. This technique is applied to the two-ribbon flare of 2002 January 20. The atmospheric models are obtained by fitting the "quasi-profiles" with the help of the generally used model atmospheres. Since the variety of the 3D images reflects the response of the atmospheric layers to the impact of energy transport, an analysis of the development of the flare is given through a comparison of the 3D images with the 2D temperature distribution.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1009-9271
URL查看原文
Archive Date2006-03-03
WOS IDWOS:000235501700010
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordLINE FORMATION PROCESS ; WHITE-LIGHT FLARE ; SOLAR CHROMOSPHERE ; NONTHERMAL ELECTRONS ; SEMIEMPIRICAL MODELS ; OPTICAL-SPECTRA ; ATMOSPHERES ; DIAGNOSTICS ; IONIZATION ; SIGNATURES
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6094
Collection太阳物理研究组
Corresponding AuthorSun, MG (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.Yunnan Astronomical Observatory/National Astronomical Observatories, Chinese Academy of Sciences, Kunming 650011
2.Astronomical Department of Astronomy, Nanjing University, Nanjing 210093
3.Graduate University of the Chinese Academy of Sciences, Beijing 100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Sun MG,Qu ZQ,Xu Z,et al. Three-dimensional distribution of the escape photons of H alpha flares[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2006,6(1):87-95.
APA Sun MG.,Qu ZQ.,Xu Z.,Zhang XY.,Xu CL.,...&Sun, MG .(2006).Three-dimensional distribution of the escape photons of H alpha flares.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,6(1),87-95.
MLA Sun MG,et al."Three-dimensional distribution of the escape photons of H alpha flares".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 6.1(2006):87-95.
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