Simulating coronal loop implosion and compressible wave modes in a flare hit active region

A Sarkar, B Vaidya, S Hazra… - The Astrophysical …, 2017 - iopscience.iop.org
There is considerable observational evidence of implosion of magnetic loop systems inside
solar coronal active regions following high-energy events like solar flares. In this work, we …

The causes of peripheral coronal loop contraction and disappearance revealed in a magnetohydrodynamic simulation of solar eruption

J Wang, C Jiang, D Yuan, P Zou - The Astrophysical Journal, 2021 - iopscience.iop.org
The phenomenon of peripheral coronal loop contraction during solar flares and eruptions,
recently discovered in observations, has gradually drawn the attention of solar physicists …

Unambiguous evidence of coronal implosions during solar eruptions and flares

J Wang, PJA Simões, L Fletcher - The Astrophysical Journal, 2018 - iopscience.iop.org
In the implosion conjecture, coronal loops contract as the result of magnetic energy release
in solar eruptions and flares. However, after almost two decades, observations of this …

Arcade implosion caused by a filament eruption in a flare

J Wang, PJA Simões, L Fletcher… - The Astrophysical …, 2016 - iopscience.iop.org
Coronal implosions—the convergence motion of plasmas and entrained magnetic field in
the corona due to a reduction in magnetic pressure—can help to locate and track sites of …

Vortex and sink flows in eruptive flares as a model for coronal implosions

FP Zuccarello, G Aulanier, J Dudík… - The Astrophysical …, 2017 - iopscience.iop.org
Eruptive flares are sudden releases of magnetic energy that involve many phenomena,
several of which can be explained by the standard 2D flare model and its realizations in 3D …

Implosion in a coronal eruption

R Liu, H Wang, D Alexander - The Astrophysical Journal, 2009 - iopscience.iop.org
We present the observations of the contraction of the extreme-ultraviolet coronal loops
overlying the flaring region during the preheating as well as the early impulsive phase of a …

Parametric study of the kinematic evolution of coronal mass ejection shock waves and their relation to flaring activity

M Jarry, AP Rouillard, I Plotnikov… - Astronomy & …, 2023 - aanda.org
Context. Coronal and interplanetary shock waves produced by coronal mass ejections
(CMEs) are major drivers of space-weather phenomena, inducing major changes in the …

Implosion of coronal loops during the impulsive phase of a solar flare

PJA Simões, L Fletcher, HS Hudson… - The Astrophysical …, 2013 - iopscience.iop.org
We study the relationship between implosive motions in a solar flare, and the energy
redistribution in the form of oscillatory structures and particle acceleration. The flare …

Simulations of shock structures of a flare/CME event in the low corona

J Pomoell, R Vainio, S Pohjolainen - Proceedings of the International …, 2008 - cambridge.org
We study the MHD processes related to a flare/CME event in the lower solar corona using
numerical simulations. Our initial state is an isothermal gravitationally stratified corona with …

Re-flaring of a post-flare loop system driven by flux rope emergence and twisting

X Cheng, MD Ding, Y Guo, J Zhang… - The Astrophysical …, 2010 - iopscience.iop.org
In this Letter, we study in detail the evolution of the post-flare loops on 2005 January 15 that
occurred between two consecutive solar eruption events, both of which generated a fast …