Extreme solar events

EW Cliver, CJ Schrijver, K Shibata… - Living Reviews in Solar …, 2022 - Springer
We trace the evolution of research on extreme solar and solar-terrestrial events from the
1859 Carrington event to the rapid development of the last twenty years. Our focus is on the …

Magnetic reconnection: MHD theory and modelling

DI Pontin, ER Priest - Living Reviews in Solar Physics, 2022 - Springer
In this review we focus on the fundamental theory of magnetohydrodynamic reconnection,
together with applications to understanding a wide range of dynamic processes in the solar …

Broadening and redward asymmetry of Hα line profiles observed by LAMOST during a stellar flare on an M-type star

Y Wu, H Chen, H Tian, L Zhang, J Shi… - The Astrophysical …, 2022 - iopscience.iop.org
Stellar flares are characterized by sudden enhancement of electromagnetic radiation in
stellar atmospheres. So far, much of our understanding of stellar flares has come from …

Observation of two splitting processes in a partial filament eruption on the sun: the role of breakout reconnection

Z Sun, T Li, H Tian, Y Hou, Z Hou, H Chen… - The Astrophysical …, 2023 - iopscience.iop.org
Partial filament eruptions have often been observed; however, the physical mechanisms that
lead to filament splitting are not yet fully understood. In this study, we present a unique event …

Possible detection of coronal mass ejections on late-type main-sequence stars in LAMOST medium-resolution spectra

H Lu, H Tian, L Zhang, C Karoff, H Chen, J Shi… - Astronomy & …, 2022 - aanda.org
Context. Stellar coronal mass ejections (CMEs) are the primary driver of exoplanetary space
weather and may affect the habitability of exoplanets. However, detections of possible stellar …

Toward improved understanding of magnetic fields participating in solar flares: Statistical analysis of magnetic fields within flare ribbons

MD Kazachenko, BJ Lynch, A Savcheva… - The Astrophysical …, 2022 - iopscience.iop.org
Violent solar flares and coronal mass ejections (CMEs) are magnetic phenomena. However,
how magnetic fields reconnecting in the flare differ from nonflaring magnetic fields remains …

A Study of Preflare Solar Coronal Magnetic Fields: Magnetic Energy and Helicity

A Duan, C Jiang, X Feng - The Astrophysical Journal, 2023 - iopscience.iop.org
Solar flares fall into two types, with eruptive ones associated with coronal mass ejection
(CME) and confined ones without CME. To explore whether there are preflare conditions in …

Survey of Magnetic Field Parameters Associated with Large Solar Flares

T Li, Y Zheng, X Li, Y Hou, X Li, Y Zhang… - The Astrophysical …, 2024 - iopscience.iop.org
Until now, how the magnetic fields in M/X-class flaring active regions (ARs) differ from C-
class flaring ARs remains unclear. Here, we calculate the key magnetic field parameters …

[HTML][HTML] Stellar Flares, Superflares, and Coronal Mass Ejections—Entering the Big Data Era

K Vida, Z Kővári, M Leitzinger, P Odert, K Oláh, B Seli… - Universe, 2024 - mdpi.com
Flares, sometimes accompanied by coronal mass ejections (CMEs), are the result of sudden
changes in the magnetic field of stars with high energy release through magnetic …

Multiwavelength signatures of episodic nullpoint reconnection in a quadrupolar magnetic configuration and the cause of failed flux rope eruption

PK Mitra, B Joshi, AM Veronig… - The Astrophysical …, 2022 - iopscience.iop.org
In this paper, we present multiwavelength observations of the triggering of a failed-eruptive
M-class flare from active region NOAA 11302 and investigate the possible reasons for the …