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Simultaneous Longitudinal and Transverse Oscillations in an Active-Region Filament
Pant, V1; Mazumder, R1,2; Yuan, D3; Banerjee, D1,2; Srivastava, AK4; Shen YD(申远灯)5; Pant, V (reprint author), Indian Inst Astrophys, Bangalore 560034, Karnataka, India.
发表期刊SOLAR PHYSICS
2016-11
卷号291期号:11页码:3303-3315
DOI10.1007/s11207-016-1018-7
产权排序第5完成单位
收录类别SCI
关键词Sun Oscillation Sun Filament Sun Magnetic Field
摘要We report on the co-existence of longitudinal and transverse oscillations in an active-region filament. On March 15, 2013, an M1.1 class flare was observed in Active Region AR 11692. A coronal mass ejection (CME) was found to be associated with the flare. The CME generated a shock wave that triggered the oscillations in a nearby filament, situated south-west of the active region as observed from National Solar Observatory (NSO) Global Oscillation Network Group (GONG) Ha images. In this work we report the longitudinal oscillations in the two ends of the filament, which co-existed with the transverse oscillations. We propose a scenario in which an incoming shock wave hits the filament obliquely and triggers both longitudinal and transverse oscillations. Using the observed parameters, we estimate the lower limit of the magnetic field strength. We use a simple pendulum model with gravity as the restoring force to estimate the radius of curvature. We also calculate the mass accretion rate that causes the filament motions to damp quite fast.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0038-0938
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WOS记录号WOS:000388840900011
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CORONAL LOOP OSCILLATIONS ; SOLAR FILAMENT ; PERIODIC MOTION ; MAGNETIC-FIELD ; MHD SEISMOLOGY ; PROMINENCES ; WAVES
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被引频次:6[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/114a53/9841
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通讯作者Pant, V (reprint author), Indian Inst Astrophys, Bangalore 560034, Karnataka, India.
作者单位1.Indian Institute of Astrophysics, Bangalore, India
2.Center of Excellence in Space Sciences, IISER, Kolkata, MohanpurIndia
3.Jeremiah Horrocks Institute, University of Central Lancashire, Preston, UK
4.Indian Institute of Technology (BHU), Varanasi, India
5.Yunnan Observatories, Chinese Academy of Sciences, Kunming, China
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Pant, V,Mazumder, R,Yuan, D,et al. Simultaneous Longitudinal and Transverse Oscillations in an Active-Region Filament[J]. SOLAR PHYSICS,2016,291(11):3303-3315.
APA Pant, V.,Mazumder, R.,Yuan, D.,Banerjee, D.,Srivastava, AK.,...&Pant, V .(2016).Simultaneous Longitudinal and Transverse Oscillations in an Active-Region Filament.SOLAR PHYSICS,291(11),3303-3315.
MLA Pant, V,et al."Simultaneous Longitudinal and Transverse Oscillations in an Active-Region Filament".SOLAR PHYSICS 291.11(2016):3303-3315.
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