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Statistical analysis of dynamic fibrils observed from NST/BBSO observations
Priya, Thambaje Gopalan; Su, Jiang-Tao; Chen, Jie; Deng, Yuan-Yong; Choudhury, Debi Prasad
Department空间科学部
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2018
Volume18Issue:2Pages:17
ISSN1674-4527
Language英语
KeywordSun: Sunspots-oscillation Sun: Magnetic Fields Sun: Chromosphere
AbstractWe 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.
Indexed BySCI ; CSCD
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6251
Collection空间科学部
Corresponding AuthorPriya, Thambaje Gopalan
Recommended Citation
GB/T 7714
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.
APA Priya, Thambaje Gopalan,Su, Jiang-Tao,Chen, Jie,Deng, Yuan-Yong,&Choudhury, Debi Prasad.(2018).Statistical analysis of dynamic fibrils observed from NST/BBSO observations.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,18(2),17.
MLA Priya, Thambaje Gopalan,et al."Statistical analysis of dynamic fibrils observed from NST/BBSO observations".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 18.2(2018):17.
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