English
Related papers

Related papers: Damping of filament thread oscillations: effect of…

200 papers

Transverse oscillations of solar filament and prominence threads have been frequently reported. These oscillations have the common features of being of short period (2-10 min) and being damped after a few periods. Kink magnetohydrodynamic…

Solar and Stellar Astrophysics · Physics 2014-11-20 R. Soler , R. Oliver , J. L. Ballester

Transverse oscillations of thin threads in solar prominences are frequently reported in high-resolution observations. Two typical features of the observations are that the oscillations are damped in time and that simultaneous mass flows…

Solar and Stellar Astrophysics · Physics 2015-06-11 R. Soler , M. S. Ruderman , M. Goossens

High-resolution observations provide evidence about the existence of small-amplitude transverse oscillations in solar filament fine structures. These oscillations are believed to represent fast magnetohydrodynamic (MHD) waves and the…

Astrophysics · Physics 2009-11-13 Inigo Arregui , Jaume Terradas , Ramon Oliver , Jose Luis Ballester

Transverse oscillations and propagating waves are frequently observed in threads of solar prominences/filaments and have been interpreted as kink magnetohydrodynamic (MHD) modes. We investigate the spatial damping of propagating kink MHD…

Solar and Stellar Astrophysics · Physics 2015-05-20 R. Soler , R. Oliver , J. L. Ballester

Oscillations and propagating waves are commonly seen in high-resolution observations of filament threads, i.e., the fine-structures of solar filaments/prominences. Since the temperature of prominences is typically of the order of 10^4 K,…

Solar and Stellar Astrophysics · Physics 2011-02-11 R. Soler , R. Oliver , J. L. Ballester

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…

Prominence threads are very long and thin flux tubes which are partially filled with cold plasma. Observations have shown that transverse oscillations are frequent in these solar structures. The observations are usually interpreted as the…

Solar and Stellar Astrophysics · Physics 2022-02-09 David Martínez-Gómez , Roberto Soler , Jaume Terradas , Elena Khomenko

We analyse the oscillatory properties of resonantly damped transverse kink oscillations in two-dimensional prominence threads. The fine structures are modelled as cylindrically symmetric magnetic flux tubes with a dense central part with…

Solar and Stellar Astrophysics · Physics 2015-05-20 I. Arregui , R. Soler , J. L. Ballester , A. N. Wright

The most promising mechanism acting towards damping the kink oscillations of coronal loops is resonant absorption. In this context most of previous studies neglected the effect of the obvious equilibrium flow along magnetic field lines. The…

Solar and Stellar Astrophysics · Physics 2015-05-14 J. Terradas , M. Goossens , I. Ballai

We study the effect of resonant absorption of surface sausage and surface kink modes under photospheric conditions where the slow surface sausage modes undergo resonant damping in the slow continuum and the surface kink modes in the slow…

Solar and Stellar Astrophysics · Physics 2017-11-20 Dae Jung Yu , Tom Van Doorsselaere , Marcel Goossens

In this Letter we establish clear evidence for the resonant absorption damping mechanism by analyzing observational data from the novel Coronal Multi-Channel Polarimeter (CoMP). This instrument has established that in the solar corona there…

Solar and Stellar Astrophysics · Physics 2015-05-19 G. Verth , M. Goossens , J. Terradas

We study the damping of longitudinal oscillations of a prominence thread caused by the mass accretion. In this model we considered a thin curved magnetic tube filled with the plasma. The parts of the tube at the two sides of the thread are…

Solar and Stellar Astrophysics · Physics 2016-07-06 Michael Ruderman , Manuel Luna

High-resolution observations show that oscillations and waves in prominence threads are common and that they are attenuated in a few periods. In addition, observers have also reported the presence of material flows in such prominence…

Astrophysics · Physics 2009-11-13 R. Soler , R. Oliver , J. L. Ballester

Given the recent interest in magnetohydrodynamic (MHD) waves in pores and sunspot umbrae, we examine the damping of slow surface kink modes (SSKMs) by modeling solar photospheric waveguides with a cylindrical inhomogeneity comprising a…

Solar and Stellar Astrophysics · Physics 2021-03-03 Shao-Xia Chen , Bo Li , Tom Van Doorsselaere , Marcel Goossens , Hui Yu , Michael Geeraerts

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…

Solar and Stellar Astrophysics · Physics 2026-02-13 Sihui Zhong , Andrew Hillier , Iñigo Arregui

In this paper, we study kink and sausage oscillations in the presence of longitudinal background flow. We study resonant absorption of the kink and sausage modes in the slow continuum under magnetic pore conditions in the presence of flow.…

Plasma Physics · Physics 2021-03-23 Mohammad Sadeghi , Karam Bahari , Kayoomars Karami

Alfv\'enic waves have gained renewed interest since the existence of ubiquitous propagating kink waves were discovered in the corona. {It has long been suggested that Alfv\'enic} waves play an important role in coronal heating and the…

Solar and Stellar Astrophysics · Physics 2019-05-15 Ajay K. Tiwari , Richard J. Morton , Stephane Régnier , James A. McLaughlin

We investigate standing kink magnetohydrodynamic (MHD) oscillations in a prominence fine structure modeled as a straight and cylindrical magnetic tube only partially filled with the prominence material, and with its ends fixed at two rigid…

Solar and Stellar Astrophysics · Physics 2015-05-19 Roberto Soler , Inigo Arregui , Ramon Oliver , Jose Luis Ballester

Small-amplitude prominence oscillations are usually damped after a few periods. We study the attenuation of non-adiabatic magnetoacoustic waves in a slab prominence embedded in the coronal medium. We assume an equilibrium configuration with…

Astrophysics · Physics 2009-11-13 R. Soler , R. Oliver , J. L. Ballester

We present a method to assess the plausibility of alternative mechanisms to explain the damping of magnetohydrodynamic (MHD) transverse waves in solar coronal loops. The considered mechanisms are resonant absorption of kink waves in the…

Solar and Stellar Astrophysics · Physics 2017-09-12 M. Montes-Solís , I. Arregui
‹ Prev 1 2 3 10 Next ›