[PDF] Top 20 Coronal loop seismology using damping of standing kink oscillations by mode coupling
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Coronal loop seismology using damping of standing kink oscillations by mode coupling
... The kink oscillation events were selected from the catalogue compiled in Goddard et ...the kink mode damping ...the loop being accurately identified and tracked for several consecutive ... See full document
11
Coronal loop seismology using damping of standing kink oscillations by mode coupling II additional physical effects and Bayesian analysis
... model using a background trend given by a polynomial function (4th order with constant coe ffi cients; top panels) or our spline procedure described above (bottom ...the loop oscillation we wish to avoid ... See full document
23
Coronal loop seismology using standing kink oscillations with a lookup table
... interpolation using six reference points across the time ...LUT damping profiles. The top panels in Figure 10 show the loop position (plus symbols) with the color contour representing the normalized ... See full document
14
Damping profile of standing kink oscillations observed by SDO/AIA
... damped standing and propagating kink oscillations are observed in the solar ...of mode coupling, which causes the wave energy to be converted from the bulk transverse oscillation to ... See full document
5
Spatiotemporal analysis of coronal loops using seismology of damped kink oscillations and forward modeling of EUV intensity profiles
... of coronal loops that we consider in this paper is their intensity pro fi ...transverse damping pro fi le using the observed intensity pro fi le, for example, initial studies by Aschwanden et ...) ... See full document
18
MHD waves and oscillations in solar coronal waveguides
... oscillating loop and stacking the intensities along the slit, averaged over the width to increase the signal-to-noise ratio, in ...each loop, perpendicular to an elliptical or linear fit of the loop ... See full document
163
Damping of kink waves by mode coupling : I Analytical treatment
... shift oscillations propa- gating along large, off-limb coronal loops (Tomczyk et ...along loop structures, Tomczyk & McIntosh (2009) found a strong decay in the wave amplitudes as they travelled ... See full document
16
Spatial magneto seismology : effect of density stratification on the first harmonic amplitude profile of transversal coronal loop oscillations
... the standing fast kink mode must also be ...the kink speed is proportional to the magnetic field strength, this may play a significant role in the anti-node ...the standing fast ... See full document
9
Decaying and decayless transverse oscillations of a coronal loop
... in kink oscillations of coronal loops is mainly connected with their use as a seis- mological probe of the absolute value of the magnetic field (Nakariakov & Ofman 2001), and also with their ... See full document
12
Resonant absorption in expanding coronal magnetic flux tubes with uniform density
... the damping behaviour of fundamental standing waves at high altitude, the expansion of the mag- netic field closer to the solar surface should be ...a standing kink mode unless the ... See full document
13
Effect of longitudinal magnetic and density inhomogeneity on transversal coronal loop oscillations
... in coronal loops affects the standing fast kink body mode, more realistic MHD wave theory has been developed which can model a loop as a magnetic cylinder with an inhomogeneous plasma ... See full document
9
Coronal loop seismology using multiple transverse loop oscillation harmonics
... period kink mode with a shorter period kink mode and a sausage ...sausage mode would be a sum of the frequen- cies of interacting kink ...sausage mode in the resonant ... See full document
9
Damping of slow magnetoacoustic oscillations by the misbalance between heating and cooling processes in the solar corona
... the loop is also determined by thermal conduction at the ...the coronal, almost isothermal part of an active region, this effect is ...For standing slow waves this omission could be justified by the ... See full document
7
Transverse kink oscillations of expanding coronal loops
... Earth’s seismology and helioseismology, assume the combi- nation of high-resolution observations (amplitude, wavelength, propagation speed, damping time/length) with theoretical mod- els (dispersion and ... See full document
8
Effects of Stratification and Flows on P-1/P-2 Ratios and Anti-node Shifts Within Closed Loop Structures
... a loop into the corona, on standing MHD oscillations, is potentially an important tool for explaining the deviation of the observed P 1/P 2 ratios from the idealised, uniform oscillating loop ... See full document
19
Undamped transverse oscillations of coronal loops as a self oscillatory process
... Kink oscillations of solar coronal loops have been intensively studied for almost two decades since their observational detec- tion in the extreme ultraviolet (EUV) band by Aschwanden et ...these ... See full document
5
Seismology of curved coronal loops with vertically polarised transverse oscillations
... curved coronal loop has been ...curved coronal loops. The coronal loop has been modeled as a curved magnetic slab in the zero plasma-β ...magnetoacoustic kink oscillations ... See full document
9
Decay less kink oscillations in coronal loops
... Kink oscillations of solar coronal plasma structures are one of the most debated examples of the magnetohydrodynamic (MHD) wave activity of the solar corona (see, ...review). Kink ... See full document
7
The damping of coronal loop oscillations
... of coronal loop oscillations reported by Aschwanden et ...the loop axis. We consider that the disturbances causing coronal loop oscillations occur mainly at the ... See full document
13
Damping of kink waves by mode coupling II Parametric study and seismology
... electrostatic oscillations in a cold ...of coronal loops by Ionson ...strong damping of standing kink modes by Ruderman & Roberts (2002) and Goossens et ... See full document
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