New Insights from Imaging Spectroscopy of Solar Radio Emission

DE Gary - Annual Review of Astronomy and Astrophysics, 2023 - annualreviews.org
Newly available high-resolution imaging of solar radio emission at many closely spaced
frequencies and times provides new physical insight into the processes, structure, and …

A review of recent solar type III imaging spectroscopy

HAS Reid - Frontiers in Astronomy and Space Sciences, 2020 - frontiersin.org
Solar type III radio bursts are the most common impulsive radio signatures from the Sun,
stimulated by electron beams traveling through the solar corona and solar wind. Type III …

Imaging spectroscopy of solar radio burst fine structures

EP Kontar, S Yu, AA Kuznetsov, AG Emslie… - Nature …, 2017 - nature.com
Solar radio observations provide a unique diagnostic of the outer solar atmosphere.
However, the inhomogeneous turbulent corona strongly affects the propagation of the …

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 …

Magnetic reconnection null points as the origin of semirelativistic electron beams in a solar jet

B Chen, S Yu, M Battaglia, S Farid… - The Astrophysical …, 2018 - iopscience.iop.org
Magnetic reconnection, the central engine that powers explosive phenomena throughout the
universe, is also perceived to be one of the principal mechanisms for accelerating particles …

Radio observatories and instrumentation used in space weather science and operations

EP Carley, C Baldovin, P Benthem… - Journal of Space …, 2020 - swsc-journal.org
The low frequency array (LOFAR) is a phased array interferometer currently consisting of 13
international stations across Europe and 38 stations surrounding a central hub in the …

Shock location and CME 3D reconstruction of a solar type II radio burst with LOFAR

P Zucca, DE Morosan, AP Rouillard, R Fallows… - Astronomy & …, 2018 - aanda.org
Context. Type II radio bursts are evidence of shocks in the solar atmosphere and inner
heliosphere that emit radio waves ranging from sub-meter to kilometer lengths. These …

Exploring the circular polarisation of low–frequency solar radio bursts with LOFAR

DE Morosan, JE Räsänen, A Kumari, EKJ Kilpua… - Solar Physics, 2022 - Springer
The Sun is an active star that often produces numerous bursts of electromagnetic radiation
at radio wavelengths. Low frequency radio bursts have recently been brought back to light …

CME-driven shock and type II solar radio burst band splitting

N Chrysaphi, EP Kontar, GD Holman… - The Astrophysical …, 2018 - iopscience.iop.org
Coronal mass ejections (CMEs) are believed to be effective in producing shocks in the solar
corona and interplanetary space. One of the important signatures of shocks and shock …

Type III solar radio burst source region splitting due to a quasi-separatrix layer

PI McCauley, IH Cairns, J Morgan… - The Astrophysical …, 2017 - iopscience.iop.org
Abstract We present low-frequency (80–240 MHz) radio imaging of type III solar radio bursts
observed by the Murchison Widefield Array on 2015 September 21. The source region for …