[PDF] Top 20 Determination of the coronal magnetic field by coronal loop oscillations
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Determination of the coronal magnetic field by coronal loop oscillations
... several coronal loops shortly after a flare (at 12:11 UT, in the adjacent active re- gion ...the loop apex showed synphase transversal ...averaged loop displacement as a function of time and ... See full document
5
Coronal magnetic field measurement using loop oscillations observed by Hinode/EIS
... and oscillations in the corona to estimate the physical properties of the coronal plasma, such as the magnetic field, which are difficult to measure ...nal magnetic field are based ... See full document
5
Excitation of vertical coronal loop oscillations by impulsively driven flows
... long coronal loop embedded in a magnetic arcade with a pressure imbalance between the footpoints ...the coronal loop and the ambient plasma are gravitationally ... See full document
5
Seismology of curved coronal loops with vertically polarised transverse oscillations
... the coronal loop is modeled as a semi-circular magnetic slab of half-width a and radius of cur- vature R, in the gravitationless and zero plasma-β limit (see ...rium magnetic field are ... See full document
9
Stellar coronal response to differential rotation and flux emergence
... bright loop structures, and unipolar regions (coronal holes) appear ...global magnetic field, resulting in more open polar ...displays field line plots for the same simulations and ... See full document
14
Coronal loop slow mode oscillations driven by the kink instability
... the magnetic field line because of the magnetic ...evolving field structure and does not actually involve a damp- ing or excitation mechanism once the field aligned reconnection driven ... See full document
6
The effects of line of sight integration on multistrand coronal loop oscillations
... the loop footpoints will also result in magnetic perturbations and hence magnetic ...The magnetic energy present in the numerical domain is of the same order as the kinetic energy, implying ... See full document
6
Excitation and evolution of vertically polarised transverse loop oscillations by coronal rain
... in coronal plasma in response to localised heating ...the magnetic field (Schrijver 2001; De Groof et ...strated coronal rain is a common occurrence ...2015). Coronal rain acceler- ates ... See full document
6
Coronal Alfvén speed determination : consistency between seismology using AIA/SDO transverse loop oscillations and magnetic extrapolation
... and loop length information about the Alfv´en speed inside each loop is deduced ...from magnetic extrapolation and spectral methods using AIA ...on loop travel time is not necessarily a good ... See full document
9
Sausage oscillations of coronal loops
... the magnetic field in the emitting ...the loop footpoints, by pe- riodic change of the mirror ratio at the loop legs, causing the periodic increase and decrease in the precipitating ... See full document
7
Damping of vertical coronal loop kink oscillations through wave tunneling
... or magnetic diffusivity it is pos- sible to obtain decay rates for vertically polarized kink waves in coronal flux tubes that are on the order of the decay rates ob- served by imaging ...kink ... 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, ...Kink oscillations are transverse ... See full document
7
Contribution of phase mixing of Alfvén waves to coronal heating in multi harmonic loop oscillations
... a coronal loop with an inhomogeneous magnetic flux tube whose properties are based on the loop system whose observations are discussed in Pascoe et ...the magnetic flux tube to model ... See full document
12
Magnetohydrodynamics modeling of coronal magnetic field and solar eruptions based on the photospheric magnetic field
... twisted magnetic flux tube, whose axis was along the observed filament, into a potential field, with the mag- netofriction (van Ballegooijen et ...consistent magnetic fields, several studies have ... See full document
28
Effects of Stratification and Flows on P-1/P-2 Ratios and Anti-node Shifts Within Closed Loop Structures
... A plethora of examples of the fundamental and first harmonic within an active region have been reported in recent years (e.g., De Moortel and Brady, 2007; O’Shea et al., 2007). Analysing a variety of TRACE observations, ... See full document
19
Magnetohydrodynamic oscillations in solar coronal rain
... and Magnetic Imager (HMI) [Scherrer et ...on coronal and transition region emission lines: Fe XVIII (94 ˚ A), Fe VIII, XXI (131 ˚ A), Fe IX (171 ˚ A), Fe XII, XXIV (193 ˚ A), Fe XIV (211 ˚ A), He II (304 ˚ ... See full document
154
Coronal loop seismology using damping of standing kink oscillations by mode coupling
... of coronal loops to infer the strength of the magnetic field ...a loop as a function of ...and loop length to be related to the magnetic field strength and density ...by ... See full document
11
Resonant absorption in expanding coronal magnetic flux tubes with uniform density
... in coronal wave models, the radial variation in the Alfvén speed is associated with a non-uniform trans- verse density ...netic field strength can also provide the non-constant Alfvén speed profile that is ... See full document
13
Analysis of coronal rain observed by IRIS, HINODE/SOT and SDO/AIA : transverse oscillations, kinematics and thermal evolution
... for coronal heating and magnetic fields from coronal rain observations and modelling” of the International Space Science Institute (ISSI), ... See full document
14
Effect of a sausage oscillation on radio zebra pattern structures in a solar flare
... magnetoacoustic oscillations of solar coronal loops are characterised by variation of the plasma density and magnetic field, and hence cause time variations of the electron plasma frequency ... See full document
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