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 …

The multifaceted m1. 7 goes-class flare event of 21 april 2023 in ar13283

A Elmhamdi, A Marassi, P Romano, L Contarino… - Solar Physics, 2024 - Springer
On 21 April 2023, a significant M1. 7 solar flare erupted from Active Region 13283,
accompanied by a filament eruption and a full-halo Coronal Mass Ejection, which reached …

Estimating the lateral speed of a fast shock driven by a coronal mass ejection at the location of solar radio emissions

S Normo, DE Morosan, EKJ Kilpua… - Astronomy & …, 2024 - aanda.org
Context. Fast coronal mass ejections (CMEs) can drive shock waves capable of accelerating
electrons to high energies. These shock-accelerated electrons act as sources of …

Limb Observations of Global Solar Coronal Extreme-ultraviolet Wavefronts: The Inclination, Kinematics, Coupling with the Expanding Coronal Mass Ejections, and …

H Hu, B Zhu, YD Liu, C Chen, R Wang… - The Astrophysical …, 2024 - iopscience.iop.org
We select and investigate six global solar extreme-ultraviolet (EUV) wave events using data
from the Solar Dynamics Observatory and the Solar and Heliospheric Observatory. These …

Novel scaling laws to derive spatially resolved flare and CME parameters from sun-as-a-star observables

A Mohan, N Gopalswamy, H Raju… - Astronomy & …, 2024 - aanda.org
Coronal mass ejections (CMEs) are often associated with X-ray (SXR) flares powered by
magnetic reconnection in the low corona, while the CME shocks in the upper corona and …

A type II radio burst associated with solar filament–filament interaction

L Zhang, R Zheng, Y Chen - Astronomy & Astrophysics, 2024 - aanda.org
Aims. Solar radio type II bursts are often associated with coronal shocks driven by solar
eruptions. In this study, we report a type II burst associated with filament–filament interaction …

Predicting the Arrival Time of an Interplanetary Shock Based on DSRT Spectrum Observations for the Corresponding Type II Radio Burst and a Blast Wave Theory

R Li, X Zhao, J Yan, L Wu, Y Yang, X Lv… - The Astrophysical …, 2024 - iopscience.iop.org
Since fast head-on coronal mass ejections and their associated shocks represent potential
hazards to the space environment of the Earth and even other planets, forecasting the arrival …

Type II radio bursts and space weather phenomena: A statistical study

P Devi, R Miteva, R Chandra, K Koleva… - Advances in Space …, 2024 - Elsevier
In this paper, we present for the first time a comprehensive statistical study between type II
radio bursts from the metric (m) to the dekameric–hectometric (DH) domain and their …

A Catalog of Metric Type II Radio Bursts Detected by RSTN During Solar Cycle 24

B Lawrance, P Devi, R Chandra, R Miteva - Solar Physics, 2024 - Springer
In this study, we compile a catalog of metric type II radio bursts using the Radio Solar
Telescope Network (RSTN) to study the occurrence, associations, and properties of the …

Statistical geoeffectiveness of solar-interplanetary disturbance events of type II radio bursts and CMEs/shocks

J Yan, Q Yu - Frontiers in Astronomy and Space Sciences, 2024 - frontiersin.org
Understanding and predicting the geoeffectiveness of solar activity on Earth is crucial for
space weather. Therefore, predicting the impact of coronal mass ejections (CMEs) and their …