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相关论文: Identification of different types of kink modes in…

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Coronal loop oscillations are common phenomena in the solar corona, which are often classified as decaying and decayless oscillations. Using the high-resolution observation measured by the Extreme Ultraviolet Imager (EUI) onboard the Solar…

太阳与恒星天体物理 · 物理学 2023-02-15 Dong Li , David M. Long

Decayless kink oscillations of solar coronal loops are studied in terms of a low-dimensional model based on a randomly driven Rayleigh oscillator with coefficients experiencing random fluctuations. The model considers kink oscillations as…

太阳与恒星天体物理 · 物理学 2022-09-28 Valery M. Nakariakov , Dmitrii Y. Kolotkov , Sihui Zhong

Using data obtained by the EUV Imaging Spectrometer (EIS) onboard Hinode, we have per- formed a survey of obvious and persistent (without significant damping) Doppler shift oscillations in the corona. We have found mainly two types of…

太阳与恒星天体物理 · 物理学 2012-10-31 Hui Tian , Scott W. McIntosh , Tongjiang Wang , Leon Ofman , Bart De Pontieu , Davina E. Innes , Hardi Peter

Impulsively excited wave trains are of considerable interest in solar coronal seismology. To our knowledge, however, it remains to examine the three-dimensional (3D) dispersive propagation of impulsive kink waves in straight, field-aligned,…

太阳与恒星天体物理 · 物理学 2022-11-16 Bo Li , Mingzhe Guo , Hui Yu , Shao-Xia Chen , Mijie Shi

Magnetohydrodynamic waves are believed to play a significant role in coronal heating, and could be used for remote diagnostics of solar plasma. Both the heating and diagnostic applications rely on a correct inversion (or backward modelling)…

太阳与恒星天体物理 · 物理学 2016-04-27 Ding Yuan , Tom Van Doorsselaere

Aims. We construct a new analytical model of a solar coronal loop that is embedded in a gravitationally stratified and magnetically confined atmosphere. On the basis of this analytical model, we devise a numerical model of solar coronal…

太阳与恒星天体物理 · 物理学 2015-03-25 K. Murawski , A. Solov'ev , J. Kraskiewicz , A. K. Srivastava

Large-amplitude decaying kink oscillations of coronal loops are strongly influenced by nonlinear processes, such as Kelvin-Helmholtz instability (KHI) and turbulence, though comprehensive theory and observational confirmation remain…

太阳与恒星天体物理 · 物理学 2026-02-13 Sihui Zhong , Andrew Hillier , Iñigo Arregui

The purpose of this work is to develop a procedure to obtain the normal modes of a coronal loop from time-dependent numerical simulations with the aim of better understanding observed transverse loop oscillations. To achieve this goal, in…

太阳与恒星天体物理 · 物理学 2019-06-19 S. Rial , I. Arregui , R. Oliver , J. Terradas

We analyse intensity variations, as measured by the Atmospheric Imaging Assembly (AIA) in the 171 {\AA} passband, in two coronal loops embedded within a single coronal magnetic arcade. We detect oscillations in the fundamental mode with…

太阳与恒星天体物理 · 物理学 2015-06-24 Rekha Jain , Ram A. Maurya , B. W. Hindman

Context. Transverse oscillations of coronal structures are currently intensively studied to explore the associated magnetohydrodynamic wave physics and perform seismology of the local medium. Aims. We make a first attempt to measure the…

太阳与恒星天体物理 · 物理学 2020-07-01 C. R. Goddard , G. Nisticò

Recent observations have revealed the ubiquitous presence of magnetohydrodynamic (MHD) waves and oscillations in the solar corona. The aim of this review is to present recent progress in the observational study of four types of wave (or…

太阳与恒星天体物理 · 物理学 2018-04-02 Tongjiang Wang

Context. Transverse oscillations are ubiquitously observed in the solar corona, both in coronal loops and open magnetic flux tubes. Numerical simulations suggest that their dissipation could heat coronal loops, counterbalancing radiative…

太阳与恒星天体物理 · 物理学 2023-04-12 Gabriel Pelouze , Tom Van Doorsselaere , Konstantinos Karampelas , Julia M. Riedl , Timothy Duckenfield

We report the observation of the first two harmonics of the horizontally polarized kink waves excited in a coronal loop system lying at south-east of AR 11719 on 2013 April 11. The detected periods of the fundamental mode ($P_1$), its first…

太阳与恒星天体物理 · 物理学 2015-06-23 Y. Guo , R. Erdélyi , A. K. Srivastava , Q. Hao , X. Cheng , P. F. Chen , M. D. Ding , B. N. Dwivedi

Despite intensive studies of kink oscillations of coronal loops in the last decade, a large scale statistically significant investigation of the oscillation parameters has not been made using data from the Solar Dynamics Observatory (SDO).…

太阳与恒星天体物理 · 物理学 2016-01-13 C. R. Goddard , G. Nistic`o , V. M. Nakariakov , I. V. Zimovets

The collective transverse coronal loop oscillations seem to be detected in the observational studies. In this regard, Luna et al. (2009, ApJ, 692, 1582) modeled the collective kinklike normal modes of several cylindrical loops system using…

太阳与恒星天体物理 · 物理学 2019-09-02 Narges Fathalian , Hossein Safari

Ever since their detection two decades ago, standing kink oscillations in coronal loops have been extensively studied both observationally and theoretically. Almost all driven coronal loop oscillations (e.g., by flares) are observed to damp…

太阳与恒星天体物理 · 物理学 2019-05-31 C. J. Nelson , A. A. Shukhobodskiy , R. Erdélyi , M. Mathioudakis

The first evidence of transverse oscillations of a multistranded loop with growing amplitudes and internal coupling observed by the Atomspheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) is presented. The loop…

太阳与恒星天体物理 · 物理学 2014-04-24 Tongjiang Wang , Leon Ofman , Joseph M. Davila , Yang Su

{Observations of the solar atmosphere have shown that magnetohydrodynamic waves are ubiquitous throughout. Improvements in instrumentation and the techniques used for measurement of the waves now enables subtleties of competing theoretical…

太阳与恒星天体物理 · 物理学 2016-09-28 R. J. Morton , K. Mooroogen

One of the proposed damping mechanisms of coronal (transverse) loop oscillations in the kink-mode is resonant absorption as a result of the Alfven speed variation at the outer boundary of coronal loops. Analytical expressions for the period…

Kink oscillations in coronal loops have been extensively studied for their potential contributions to coronal heating and their role in plasma diagnostics through coronal seismology. A key focus is the strong damping of large-amplitude kink…

太阳与恒星天体物理 · 物理学 2025-08-25 Sihui Zhong , Andrew Hillier , Iñigo Arregui