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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
Source PublicationSOLAR PHYSICS
2016-11
Volume291Issue:11Pages:3303-3315
DOI10.1007/s11207-016-1018-7
Contribution Rank第5完成单位
Indexed BySCI
KeywordSun, oscillation Sun, filament Sun, magnetic field
Abstract

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.

Funding ProjectN/A
Funding OrganizationN/A
Language英语
Subject Area天文学 ; 太阳与太阳系 ; 太阳物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherSPRINGER
Publication PlaceVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
ISSN0038-0938
URL查看原文
WOS IDWOS:000388840900011
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCORONAL LOOP OSCILLATIONS ; SOLAR FILAMENT ; PERIODIC MOTION ; MAGNETIC-FIELD ; MHD SEISMOLOGY ; PROMINENCES ; WAVES
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9841
Collection抚仙湖太阳观测站
Corresponding AuthorPant, V
Affiliation1.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
Recommended Citation
GB/T 7714
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,&Shen YD.(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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