FINE MAGNETIC STRUCTURE AND ORIGIN OF COUNTER-STREAMING MASS FLOWS IN A QUIESCENT SOLAR PROMINENCE

	FINE MAGNETIC STRUCTURE AND ORIGIN OF COUNTER-STREAMING MASS FLOWS IN A QUIESCENT SOLAR PROMINENCE
	Shen, Yuandeng 1,2,3,4; Liu, Yu 1; Liu, Ying D.2; Chen, P. F.4; Su, Jiangtao3 ; Xu, Zhi 1; Liu, Zhong 1
刊名	ASTROPHYSICAL JOURNAL LETTERS
	2015-11-20
卷号	814 期号:1
关键词	Sun: chromosphere Sun: filaments, prominences Sun: magnetic fields Sun: oscillations
英文摘要	We present high-resolution observations of a quiescent solar prominence that consists of a vertical and a horizontal foot encircled by an overlying spine and has ubiquitous counter-streaming mass flows. While the horizontal foot and the spine were connected to the solar surface, the vertical foot was suspended above the solar surface and was supported by a semicircular bubble structure. The bubble first collapsed, then reformed at a similar height, and finally started to oscillate for a long time. We find that the collapse and oscillation of the bubble boundary were tightly associated with a flare-like feature located at the bottom of the bubble. Based on the observational results, we propose that the prominence should be composed of an overlying horizontal spine encircling a low-lying horizontal and vertical foot, in which the horizontal foot consists of shorter field lines running partially along the spine and has ends connected to the solar surface, while the vertical foot consists of piling-up dips due to the sagging of the spine fields and is supported by a bipolar magnetic system formed by parasitic polarities (i.e., the bubble). The upflows in the vertical foot were possibly caused by the magnetic reconnection at the separator between the bubble and the overlying dips, which intruded into the persistent downflow field and formed the picture of counter-streaming mass flows. In addition, the counter-streaming flows in the horizontal foot were possibly caused by the imbalanced pressure at the both ends.
收录类别	SCI
语种	英语
WOS记录号	WOS:000365035400017
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/5532]
专题	国家天文台_太阳物理研究部
作者单位	1.Chinese Acad Sci, Yunnan Observ, Kunming 650216, Peoples R China 2.Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing 100012, Peoples R China 4.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210023, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Shen, Yuandeng,Liu, Yu,Liu, Ying D.,et al. FINE MAGNETIC STRUCTURE AND ORIGIN OF COUNTER-STREAMING MASS FLOWS IN A QUIESCENT SOLAR PROMINENCE[J]. ASTROPHYSICAL JOURNAL LETTERS,2015,814(1).
APA	Shen, Yuandeng.,Liu, Yu.,Liu, Ying D..,Chen, P. F..,Su, Jiangtao.,...&Liu, Zhong.(2015).FINE MAGNETIC STRUCTURE AND ORIGIN OF COUNTER-STREAMING MASS FLOWS IN A QUIESCENT SOLAR PROMINENCE.ASTROPHYSICAL JOURNAL LETTERS,814(1).
MLA	Shen, Yuandeng,et al."FINE MAGNETIC STRUCTURE AND ORIGIN OF COUNTER-STREAMING MASS FLOWS IN A QUIESCENT SOLAR PROMINENCE".ASTROPHYSICAL JOURNAL LETTERS 814.1(2015).