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LINEAR POLARIZATION OF FLASH SPECTRUM OBSERVED FROM A TOTAL SOLAR ECLIPSE IN 2008
Qu ZQ(屈中权)1; Zhang XY(张霄宇)1; Xue ZK(薛志科)1; Dun GT(敦广涛)1; Zhong SH(钟树华)1; Liang, HF2; Yan XL(闫晓理)1; Xu, CL2; Qu, ZQ (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Yunnan, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL LETTERS
2009-04-20
卷号695期号:2页码:L194-L197
DOI10.1088/0004-637X/695/2/L194
产权排序第1完成单位
收录类别SCI
关键词Polarization Sun: Chromosphere Sun: Corona
摘要We measured linear polarization signals of the flash spectrum ranging from 502.5 nm to 528.5 nm after second contact of a total solar eclipse which occurred on 2008 August 1 in China. A large group of spectral lines (especially those lines produced by neutral iron, neutral copper, and as carbon molecules) are found with very high polarization degrees relative to the continuum polarization, and the linear polarization spectrum is more abundantly structured than the flash spectrum itself. According to the observational result, we conclude that coherent scattering and scattering geometry as well as other mechanisms may together play a very important role in producing the high polarization amplitudes. This will help us deepen our understanding of the physical conditions of the solar upper atmospheres and the physical processes occurring there.
项目资助者National Astronomical Observatories, Chinese Academy of Sciences ; National Science Foundation of China (NSFC) [10673031, 40636031] ; National Basic Research Program of China 973 [G2006CB806301]
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN2041-8205
URL查看原文
归档日期2009-04-07
WOS记录号WOS:000264872100016
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MAGNETIC-FIELDS ; WINDOW
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6140
专题太阳物理研究组
通讯作者Qu, ZQ (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Astron Observ, Kunming 650011, Yunnan, Peoples R China.
作者单位1.Yunnan Astronomical Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Kunming, Yunnan 650011, China
2.Yunnan Normal University, Kunming, Yunnan 650135, China
推荐引用方式
GB/T 7714
Qu ZQ,Zhang XY,Xue ZK,et al. LINEAR POLARIZATION OF FLASH SPECTRUM OBSERVED FROM A TOTAL SOLAR ECLIPSE IN 2008[J]. ASTROPHYSICAL JOURNAL LETTERS,2009,695(2):L194-L197.
APA Qu ZQ.,Zhang XY.,Xue ZK.,Dun GT.,Zhong SH.,...&Qu, ZQ .(2009).LINEAR POLARIZATION OF FLASH SPECTRUM OBSERVED FROM A TOTAL SOLAR ECLIPSE IN 2008.ASTROPHYSICAL JOURNAL LETTERS,695(2),L194-L197.
MLA Qu ZQ,et al."LINEAR POLARIZATION OF FLASH SPECTRUM OBSERVED FROM A TOTAL SOLAR ECLIPSE IN 2008".ASTROPHYSICAL JOURNAL LETTERS 695.2(2009):L194-L197.
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