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题名: Statistical analysis of dynamic fibrils observed from NST/BBSO observations
作者: Priya, Thambaje Gopalan; Su, Jiang-Tao; Chen, Jie; Deng, Yuan-Yong; Choudhury, Debi Prasad
作者部门: 空间科学部
通讯作者: Priya, Thambaje Gopalan
关键词: Sun: sunspots-oscillation ; Sun: magnetic fields ; Sun: chromosphere
刊名: RESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN号: 1674-4527
出版日期: 2018
卷号: 18, 期号:2, 页码:17
收录类别: SCI ; CSCD
项目资助者: National Natural Science Foundation of China [11427901, 11773038, 11373040, 11373044, 11273034, 11303048, 11178005, 11711530206] ; State Key Laboratory for Space Weather, Center for Space Science and Applied Research, Chinese Academy of Sciences ; NSF [AGS-1250818] ; NASA [NNX13AG14G] ; CAS-TWAS
英文摘要: We present the results obtained from the analysis of dynamic fibrils in NOAA active region (AR) 12132, using high resolution H alpha observations from the New Solar Telescope operating at Big Bear Solar Observatory. The dynamic fibrils are seen to be moving up and down, and most of these dynamic fibrils are periodic and have a jet-like appearance. We found from our observations that the fibrils follow almost perfect parabolic paths in many cases. A statistical analysis on the properties of the parabolic paths showing an analysis on deceleration, maximum velocity, duration and kinetic energy of these fibrils is presented here. We found the average maximum velocity to be around 15 km s(-1) and mean deceleration to be around 100 m s(-2). The observed deceleration appears to be a fraction of gravity of the Sun and is not compatible with the path of ballistic motion due to gravity of the Sun. We found a positive correlation between deceleration and maximum velocity. This correlation is consistent with simulations done earlier on magnetoacoustic shock waves propagating upward.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/6251
Appears in Collections:空间科学部_期刊论文

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Recommended Citation:
Priya, Thambaje Gopalan,Su, Jiang-Tao,Chen, Jie,et al. Statistical analysis of dynamic fibrils observed from NST/BBSO observations[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2018,18(2):17.
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