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Mass motion in upper solar chromosphere detected from solar eclipse observation
Li Z(李智)1,2; Qu ZQ(屈中权)1; Yan XL(闫晓理)1; Dun GT(敦广涛)1; Chang L(常亮)1; Li, Z
发表期刊ASTROPHYSICS AND SPACE SCIENCE
2016-05-01
卷号361期号:5
DOI10.1007/s10509-016-2750-z
产权排序第1完成单位
收录类别SCI
关键词Sun: Atmosphere Emission Line Profiles: Mass Motion Wavelength: Function
摘要The eclipse-observed emission lines formed in the upper solar atmosphere can be used to diagnose the atmosphere dynamics which provides an insight to the energy balance of the outer atmosphere. In this paper, we analyze the spectra formed in the upper chromospheric region by a new instrument called Fiber Arrayed Solar Optic Telescope (FASOT) around the Gabon total solar eclipse on November 3, 2013. The double Gaussian fits of the observed profiles are adopted to show enhanced emission in line wings, while red-blue (RB) asymmetry analysis informs that the cool line (about 10(4) K) profiles can be decomposed into two components and the secondary component is revealed to have a relative velocity of about 16-45 km s(-1). The other profiles can be reproduced approximately with single Gaussian fits. From these fittings, it is found that the matter in the upper solar chromosphere is highly dynamic. The motion component along the line-of-sight has a pattern asymmetric about the local solar radius. Most materials undergo significant red shift motions while a little matter show blue shift. Despite the discrepancy of the motion in different lines, we find that the width and the Doppler shifts both are function of the wavelength. These results may help us to understand the complex mass cycle between chromosphere and corona.
项目资助者National Science Foundation of China (NSFC)(11527804, 11078005, 11373065, 10943002, 11373023, 11373066) ; China's 973 project(G2011CB811400, 2014CB744203)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-640X
URL查看原文
归档日期2016-05-16
WOS记录号WOS:000376279800009
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]LINE-PROFILE ASYMMETRIES ; TRANSITION REGION ; QUIET-SUN ; IMAGING SPECTROMETER ; DOPPLER SHIFTS ; CORONA ; DYNAMICS ; OUTFLOWS ; SUNSPOTS ; HINODE
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9596
专题光纤阵列太阳光学望远镜研究组
通讯作者Li, Z
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, Yunnan, China
2.Graduate School of University of Chinese Academy of Science, Yuquan Road, Shijingshang Block Beijing 100049, China
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GB/T 7714
Li Z,Qu ZQ,Yan XL,et al. Mass motion in upper solar chromosphere detected from solar eclipse observation[J]. ASTROPHYSICS AND SPACE SCIENCE,2016,361(5).
APA Li Z,Qu ZQ,Yan XL,Dun GT,Chang L,&Li, Z.(2016).Mass motion in upper solar chromosphere detected from solar eclipse observation.ASTROPHYSICS AND SPACE SCIENCE,361(5).
MLA Li Z,et al."Mass motion in upper solar chromosphere detected from solar eclipse observation".ASTROPHYSICS AND SPACE SCIENCE 361.5(2016).
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