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NEW VACUUM SOLAR TELESCOPE OBSERVATIONS OF A FLUX ROPE TRACKED BY A FILAMENT ACTIVATION
Yang, SH1; Zhang, J1; Liu Z(刘忠)2; Xiang YY(向永源)2
发表期刊ASTROPHYSICAL JOURNAL LETTERS
2014-04-01
卷号784期号:2
DOI10.1088/2041-8205/784/2/L36
产权排序第2完成单位
收录类别SCI
关键词Sun: Atmosphere Sun: Evolution Sun: Magnetic Fields Sun: Filaments Prominences
摘要

One main goal of the New Vacuum Solar Telescope (NVST) which is located at the Fuxian Solar Observatory is to image the Sun at high resolution. Based on the high spatial and temporal resolution NVST Ha data and combined with the simultaneous observations from the Solar Dynamics Observatory for the first time, we investigate a flux rope tracked by filament activation. The filament material is initially located at one end of the flux rope and fills in a section of the rope; the filament is then activated by magnetic field cancellation. The activated filament rises and flows along helical threads, tracking the twisted flux rope structure. The length of the flux rope is about 75 Mm, the average width of its individual threads is 1.11 Mm, and the estimated twist is 1 pi. The flux rope appears as a dark structure in Ha images, a partial dark and partial bright structure in 304 angstrom, and as a bright structure in 171 angstrom and 131 angstrom images. During this process, the overlying coronal loops are quite steady since the filament is confined within the flux rope and does not erupt successfully. It seems that, for the event in this study, the filament is located and confined within the flux rope threads, instead of being suspended in the dips of twisted magnetic flux.

资助项目National Science Foundation of China (NSFC)[11373066] ; National Science Foundation of China (NSFC)[11373065] ; National Science Foundation of China (NSFC)[11178016] ; Yunnan Science Foundation of China[2013FB086] ; Chinese Academy of Sciences ; National Basic Research Program of China 973[G2011CB811400] ; HeBei Natural Science Foundation of China[A2010001942] ; Foundation of Key Laboratory of Modern Astronomy and Astrophysics (Nanjing University)
项目资助者Outstanding Young Scientist Project [11025315] ; National Basic Research Program of China [2011CB811403] ; CAS [KJCX2-EW-T07] ; Strategic Priority Research Program-The Emergence of Cosmological Structures of the Chinese Academy of Sciences [XDB09000000] ; National Natural Science Foundations of China [11203037, 11221063, 11373004, 11303049]
语种英语
学科领域天文学 ; 太阳与太阳系 ; 太阳物理学
学科门类理学 ; 理学::天文学
文章类型Article
出版者IOP PUBLISHING LTD
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN2041-8205
URL查看原文
WOS记录号WOS:000333333400019
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL MASS EJECTIONS ; ACTIVE-REGION ; MAGNETIC-STRUCTURE ; ERUPTION ; SIMULATIONS ; EMERGENCE ; HINODE ; SDO ; RECONNECTION ; PROMINENCES
引用统计
被引频次:48[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/114a53/4708
专题抚仙湖太阳观测和研究基地
通讯作者Yang, SH
作者单位1.Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
2.Fuxian Solar Observatory, Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011, China
推荐引用方式
GB/T 7714
Yang, SH,Zhang, J,Liu Z,et al. NEW VACUUM SOLAR TELESCOPE OBSERVATIONS OF A FLUX ROPE TRACKED BY A FILAMENT ACTIVATION[J]. ASTROPHYSICAL JOURNAL LETTERS,2014,784(2).
APA Yang, SH,Zhang, J,Liu Z,&Xiang YY.(2014).NEW VACUUM SOLAR TELESCOPE OBSERVATIONS OF A FLUX ROPE TRACKED BY A FILAMENT ACTIVATION.ASTROPHYSICAL JOURNAL LETTERS,784(2).
MLA Yang, SH,et al."NEW VACUUM SOLAR TELESCOPE OBSERVATIONS OF A FLUX ROPE TRACKED BY A FILAMENT ACTIVATION".ASTROPHYSICAL JOURNAL LETTERS 784.2(2014).
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