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SPECTRAL DIAGNOSTICS FOR A THERMAL HYDRODYNAMICAL MODEL OF A SOLAR-FLARE LOOP
GAN, WQ; RIEGER, E; FANG, C; ZHANG, HQ
1992-12-01
Source PublicationASTRONOMY & ASTROPHYSICS
ISSN0004-6361
Volume266Issue:1Pages:573-580
AbstractBased on a thermal hydrodynamical model of solar flares, we have for the first time simultaneously computed the theoretical Ca XIX spectra (3.163-3.22 angstrom) as well as Halpha and Ca II K line profiles. The results show that the soft X-ray lines are to a large degree qualitatively consistent with the observations. The only deficiency is the predominant blueshifted component in the early impulsive phase. The explanations for this difference are discussed. In the chromosphere, although mostly unaffected by heating, the Halpha and Ca II K lines are rather strong. The asymmetric characteristics calculated show to be also compatible with the observations. We therefore conclude that the thermal hydrodynamical model can describe the observed spectral characteristics of solar flares rather well.
KeywordSun, Flares Hydrodynamics Sun, Chromosphere Of Sun, Corona Of
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordIMPULSIVE PHASE ; X-RAY ; NUMERICAL SIMULATIONS ; SMM OBSERVATIONS ; CORONAL LOOP ; SOFT ; LINE ; TEMPERATURES ; EMISSION ; CALCIUM
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:A1992KA69500067
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8543
Collection期刊(老文献)
Affiliation1.NANJING UNIV, DEPT ASTRON, NANJING, PEOPLES R CHINA
2.PURPLE MT OBSERV, NANJING, PEOPLES R CHINA
Recommended Citation
GB/T 7714
GAN, WQ,RIEGER, E,FANG, C,et al. SPECTRAL DIAGNOSTICS FOR A THERMAL HYDRODYNAMICAL MODEL OF A SOLAR-FLARE LOOP[J]. ASTRONOMY & ASTROPHYSICS,1992,266(1):573-580.
APA GAN, WQ,RIEGER, E,FANG, C,&ZHANG, HQ.(1992).SPECTRAL DIAGNOSTICS FOR A THERMAL HYDRODYNAMICAL MODEL OF A SOLAR-FLARE LOOP.ASTRONOMY & ASTROPHYSICS,266(1),573-580.
MLA GAN, WQ,et al."SPECTRAL DIAGNOSTICS FOR A THERMAL HYDRODYNAMICAL MODEL OF A SOLAR-FLARE LOOP".ASTRONOMY & ASTROPHYSICS 266.1(1992):573-580.
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