• No results found

Transverse coronal loop oscillations seen in unprecedented

Decaying and decayless transverse oscillations of a coronal loop

Decaying and decayless transverse oscillations of a coronal loop

... systematically transverse pertur- bations in all ...decayless oscillations there is no flare energy ...the coronal plasma (Nakariakov et ...low-amplitude oscillations before and after the ...

12

Transverse oscillations of coronal loops

Transverse oscillations of coronal loops

... kink oscillations of two parallel coronal loops Very often it is observed that not a single loop, but a whole array of loops oscillates after being perturbed by, ...collective oscillations of ...

32

Excitation and evolution of vertically polarised transverse loop
oscillations by coronal rain

Excitation and evolution of vertically polarised transverse loop oscillations by coronal rain

... the loop top in a shallow dip, a superimposed ver- tical TLO displaces the loop position radially and periodically remove the dip to allow cool material to fall down the ...the loop which trigger ...

6

Transverse oscillations of two parallel coronal loops

Transverse oscillations of two parallel coronal loops

... single loop, but a whole array of loops oscillates after being perturbed by, ...collective oscillations of an array of coronal ...lective oscillations of a system of two coronal ...

10

Transverse kink oscillations of expanding coronal loops

Transverse kink oscillations of expanding coronal loops

... the loop to travel the distance from the TR to its steady position can easily be estimated to be between ...kink oscillations, so there is enough time for the development of ...post-flare loop with ...

8

The effect of flows on transverse oscillations of coronal loops

The effect of flows on transverse oscillations of coronal loops

... kink oscillations, and on the ratio of frequencies of the first overtone and fundamental ...kink oscillations and on the ratio of frequencies of the first overtone and fundamental harmonic is very ...the ...

21

Transverse oscillations of two parallel coronal loops

Transverse oscillations of two parallel coronal loops

... single loop, but a whole array of loops oscillates after being perturbed by, ...collective oscillations of an array of coronal ...lective oscillations of a system of two coronal ...

10

On the vertical and horizontal transverse oscillations of curved coronal loops

On the vertical and horizontal transverse oscillations of curved coronal loops

... polarised oscillations? In particular, do they have the same frequencies, or their frequencies are different? In first theoretical studies of transverse oscillations of coro- nal loops the simplest ...

10

Coronal loop oscillations and diagnostics with Hinode/EIS

Coronal loop oscillations and diagnostics with Hinode/EIS

... show oscillations superimposed on the background intensity ...shift oscillations seen, for example, in the Fe  during the ini- tial stages of evolution is a well known characteristic of a stand- ing ...

7

Coronal loop seismology using multiple transverse loop oscillation harmonics

Coronal loop seismology using multiple transverse loop oscillation harmonics

... A statistical study was performed by Ofman & Aschwanden (2002) in an attempt to pin down the damping mechanism. They concluded that the oscillations are most likely damped by phase mixing with anomalously high ...

9

Seismology of curved coronal loops with vertically polarised transverse oscillations

Seismology of curved coronal loops with vertically polarised transverse oscillations

... A coronal loop is modeled as a curved magnetic slab in the zero plasma-β ...for coronal seismology are explored and applied to two observational ...kink oscillations described in this model is ...

9

Undamped transverse oscillations of coronal loops as a self oscillatory process

Undamped transverse oscillations of coronal loops as a self oscillatory process

... kink oscillations of coronal loops as self-oscillations occurring because of the slippery sliding inter- action of the loop with a quasi-steady flow across ...kink oscillations. It ...

5

Coronal Alfvén speed determination : consistency between seismology using AIA/SDO transverse loop oscillations and magnetic extrapolation

Coronal Alfvén speed determination : consistency between seismology using AIA/SDO transverse loop oscillations and magnetic extrapolation

... oscillating coronal loops are investigated in detail during a flare on the 6 th Septem- ber 2011 using data from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory ...and loop ...

9

Excitation of vertical coronal loop oscillations by impulsively driven flows

Excitation of vertical coronal loop oscillations by impulsively driven flows

... the loop apex at the maximum ...the loop axis ...as seen in the plot of the loop axis displacement de- termined as a function of distance along the ...As seen from the time-distance ...

5

Coronal loop slow mode oscillations driven by the kink instability

Coronal loop slow mode oscillations driven by the kink instability

... the loop where the current sheet magnitude is ...be seen that initially the 1st harmonic is generated, however this then decays rapidly leaving the dominant fundamental ...

6

The effects of line of sight integration on multistrand coronal loop oscillations

The effects of line of sight integration on multistrand coronal loop oscillations

... individual loop strands. As the direction of the transverse driving for each loop was chosen randomly, this leads to significant cancellation of the velocity perturbations along the ...the ...

6

An Interpretation of Flare-Induced and Decayless Coronal-Loop Oscillations as Interference Patterns

An Interpretation of Flare-Induced and Decayless Coronal-Loop Oscillations as Interference Patterns

... Observations made some distance down the waveguide from the point source will see an oscillatory fringe pattern produced by this interference. Thus, the oscillation signal that is seen does not arise from a ...

11

Damping of vertical coronal loop kink oscillations through wave tunneling

Damping of vertical coronal loop kink oscillations through wave tunneling

... Even with a uniform background density the magnetic field given by Eq. (5) will yield an Alfvén speed profile which decreases radially from the origin. The superimposed density maximum of the tube leads to a local ...

9

Coronal loop seismology using standing kink oscillations with a lookup table

Coronal loop seismology using standing kink oscillations with a lookup table

... The transverse structure of coronal loops plays a key role in the physics but the small transverse scales can be difficult to observe ...the transverse intensity profile. The transverse ...

14

Kinematics of coronal rain in a transversely oscillating loop : ponderomotive force and rain excited oscillations

Kinematics of coronal rain in a transversely oscillating loop : ponderomotive force and rain excited oscillations

... the coronal rain along the path as a function of time. Many coronal rain blobs are seen to be falling towards the solar surface ...are seen to oscillate up and down a few times during their ...

11

Show all 7693 documents...

Related subjects