activity
20212026
most citedAn Anisotropic Density Turbulence Model from the Sun to 1 au Derived From Radio Observations

35 citations · 80 across the 13 of their papers we have counts for

collaborators

13 papers

astro-ph.SR2026

Solar Radio Burst Fine Structures

Eduard Kontar, Daniel Clarkson, Hamish Reid +5

Solar radio bursts exhibit intricate variability in time, space, and frequency, often displaying a rich variety of fine frequency-time structures such as spikes, drift pairs, stria…

astro-ph.SR2026

Imaging spectroscopy reveals spike-like repeating radio burst pairs in the solar corona

Suli Ma, Eduard P. Kontar, Daniel L. Clarkson +2

Solar radio bursts exhibit complex fine structures that reveal intricate coronal plasma dynamics. Here, we report detection of spike-like repeating burst pairs, characterized by tw…

astro-ph.SR2026

Frequency-time-resolved Imaging Spectroscopy of Fine Structures in a Solar Radio Noise Storm

Daniel L. Clarkson, Eduard P. Kontar

Solar radio noise storms are common phenomena, composed of broadband continuum emission embedded with diverse fine structures, yet their unusually compact apparent sizes remain une…

astro-ph.SR2026★ 1 cited

Signatures of Large-Scale Magnetic Field Disturbances and Switchbacks in Interplanetary Type III Radio Bursts

Daniel L. Clarkson, Eduard P. Kontar

Type III solar radio bursts are driven by non-thermal electron beams travelling along heliospheric magnetic fields, with the radio emission frequency drift-rate determined by the b…

astro-ph.SR2025★ 2 cited

Ion-scale Turbulence and Energy Cascade Rate in the Solar Corona and Inner Heliosphere

Eduard P. Kontar, A. Gordon Emslie, Daniel L. Clarkson +1

Plasma turbulence cascading from MHD to kinetic scales in the heliospheric plasma is believed to play a key role in coronal heating and fast solar wind acceleration, but the proper…

astro-ph.SR2025★ 9 cited

Tracing the Heliospheric Magnetic Field via Anisotropic Radio-Wave Scattering

Daniel L. Clarkson, Eduard P. Kontar, Nicolina Chrysaphi +4

Astrophysical radio sources are embedded in turbulent magnetised environments. In the 1 MHz sky, solar radio bursts are the brightest sources, produced by electrons travelling alon…

astro-ph.SR2024★ 5 cited

Magnetic Field Geometry and Anisotropic Scattering Effects on Solar Radio Burst Observations

Daniel L. Clarkson, Eduard P. Kontar

The fine structures of solar radio bursts reveal complex dynamics in the corona, yet the observed characteristics of these sub-second bursts are additionally complicated by radio w…

astro-ph.SR2024

Plasma motions and compressive wave energetics in the solar corona and solar wind from radio wave scattering observations

Francesco Azzollini, A. Gordon Emslie, Daniel L. Clarkson +2

Radio signals propagating via the solar corona and solar wind are significantly affected by compressive waves, impacting properties of solar bursts as well as sources viewed throug…

astro-ph.SR2023★ 35 cited

An Anisotropic Density Turbulence Model from the Sun to 1 au Derived From Radio Observations

Eduard P. Kontar, A. Gordon Emslie, Daniel L. Clarkson +5

Solar radio bursts are strongly affected by radio-wave scattering on density inhomogeneities, changing their observed time characteristics, sizes, and positions. The same turbulenc…

astro-ph.SR2023★ 11 cited

Solar Radio Spikes and Type IIIb Striae Manifestations of Sub-second Electron Acceleration Triggered by a Coronal Mass Ejection

Daniel L. Clarkson, Eduard P. Kontar, Nicole Vilmer +3

Understanding electron acceleration associated with magnetic energy release at sub-second scales presents a major challenges in solar physics. Solar radio spikes observed as sub-se…

astro-ph.SR2023★ 5 cited

The frequency ratio and time delay of solar radio emissions with fundamental and harmonic components

Xingyao Chen, Eduard P. Kontar, Daniel L. Clarkson +1

Solar radio bursts generated through the plasma emission mechanism produce radiation near the local plasma frequency (fundamental emission) and double the plasma frequency (harmoni…

astro-ph.SR2021

Sizes and shapes of sources in solar metric radio bursts

M. Gordovskyy, E. P. Kontar, D. L. Clarkson +2

Metric and decametric radio-emissions from the Sun are the only direct source of information about the dynamics of non-thermal electrons in the upper corona. In addition, the combi…

astro-ph.SR2021★ 12 cited

First Frequency-Time-Resolved Imaging Spectroscopy Observations of Solar Radio Spikes

Daniel L. Clarkson, Eduard P. Kontar, Mykola Gordovskyy +2

Solar radio spikes are short duration and narrow bandwidth fine structures in dynamic spectra observed from GHz to tens of MHz range. Their very short duration and narrow frequency…