A type II radio burst driven by a blowout jet on the Sun

Z Hou, H Tian, W Su, MS Madjarska… - The Astrophysical …, 2023 - iopscience.iop.org
Type II radio bursts are often associated with coronal shocks that are typically driven by
coronal mass ejections (CMEs) from the Sun. Here we conduct a case study of a type II radio …

Spatially resolved radio signatures of electron beams in a coronal shock

P Zhang, D Morosan, A Kumari, E Kilpua - Astronomy & Astrophysics, 2024 - aanda.org
Context. Type II radio bursts are a type of solar radio bursts associated with coronal shocks.
Type II bursts usually exhibit fine structures in dynamic spectra that represent signatures of …

Fine Structure of Solar Metric Radio bursts: ARTEMIS-IV/JLS and NRH Observations

C Alissandrakis, A Hillaris, C Bouratzis, S Armatas - Universe, 2023 - mdpi.com
Radio bursts provide important diagnostics of energetic phenomena of the Sun. In particular,
bursts in decimetric and metric wavelengths probe the physical conditions and the energy …

Shock-accelerated electrons during the fast expansion of a coronal mass ejection

DE Morosan, J Pomoell, A Kumari, R Vainio… - Astronomy & …, 2022 - aanda.org
Context. Some of of the most prominent sources for energetic particles in our Solar System
are huge eruptions of magnetised plasma from the Sun called coronal mass ejections …

Effects of coronal magnetic field configuration on particle acceleration and release during the ground level enhancement events in solar cycle 24

W Liu, X Kong, F Guo, L Zhao, S Feng… - The Astrophysical …, 2023 - iopscience.iop.org
Ground level enhancements (GLEs) are extreme solar energetic particle (SEP) events that
are of particular importance in space weather. In solar cycle 24, two GLEs were recorded on …

Morphology of Solar Type II Bursts Caused by Shock Propagation through Turbulent and Inhomogeneous Coronal Plasma

A Koval, A Stanislavsky, M Karlický… - The Astrophysical …, 2023 - iopscience.iop.org
Type II solar bursts are radio signatures of shock waves in the solar corona driven by solar
flares or coronal mass ejections (CMEs). Therefore, these bursts present complex spectral …

LOFAR observations of a jet-driven piston shock in the low solar corona

CA Maguire, EP Carley, P Zucca, N Vilmer… - The Astrophysical …, 2021 - iopscience.iop.org
The Sun produces highly dynamic and eruptive events that can drive shocks through the
corona. These shocks can accelerate electrons, which result in plasma emission in the form …

Recent advances in solar coronal extreme ultraviolet waves

R Zheng - Proceedings A, 2024 - royalsocietypublishing.org
Solar coronal extreme ultraviolet (EUV) waves are spectacular propagating disturbances in
the appearance of EUV emission enhancements in the solar corona, similar to the tsunamis …

First frequency-time-resolved imaging spectroscopy observations of solar radio spikes

DL Clarkson, EP Kontar, M Gordovskyy… - The Astrophysical …, 2021 - iopscience.iop.org
Solar radio spikes are short duration and narrow bandwidth fine structures in dynamic
spectra observed from the GHz to tens of MHz range. Their very short duration and narrow …

On the issue of the origin of type II solar radio bursts

G Chernov, V Fomichev - The Astrophysical Journal, 2021 - iopscience.iop.org
Type II solar radio bursts are among the most powerful events in the solar radio emission in
the meter wavelength range. It is generally accepted that the agents generating type II radio …