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CA-II K-LINE DIAGNOSTICS OF THE DYNAMICS OF THE SOLAR-FLARE ATMOSPHERE
FANG, C ; HIEI, E ; YIN, SY ; GAN, WQ
1992
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
ISSN0004-6264
Volume44Issue:1Pages:63-72
AbstractObservations of the Ca II K line profiles for 12 solar flares have been analyzed and some characteristics of the red asymmetry of the Ca II K line are given. Based on Non-LTE calculations, the influence of velocity fields in the lower atmosphere of flares on the profiles of the H-alpha and Ca II K lines has been explored. The result indicates that a downward motion of plasma above the temperature minimum region (TMR) as well as a contracting motion of the plasma toward TMR can well explain the red asymmetry observed at the K1 positions. The typical velocity is 10-30 km s-1.
Subject Area天文和天体物理
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8554
Collection期刊(老文献)
Recommended Citation
GB/T 7714
FANG, C,HIEI, E,YIN, SY,et al. CA-II K-LINE DIAGNOSTICS OF THE DYNAMICS OF THE SOLAR-FLARE ATMOSPHERE[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,1992,44(1):63-72.
APA FANG, C,HIEI, E,YIN, SY,&GAN, WQ.(1992).CA-II K-LINE DIAGNOSTICS OF THE DYNAMICS OF THE SOLAR-FLARE ATMOSPHERE.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,44(1),63-72.
MLA FANG, C,et al."CA-II K-LINE DIAGNOSTICS OF THE DYNAMICS OF THE SOLAR-FLARE ATMOSPHERE".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 44.1(1992):63-72.
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