PSP Bibliography


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Found 5 entries in the Bibliography.

Showing entries from 1 through 5


Deriving Large Coronal Magnetic Loop Parameters Using LOFAR J Burst Observations

Large coronal loops around one solar radius in altitude are an important connection between the solar wind and the low solar corona. However, their plasma properties are ill-defined, as standard X-ray and UV techniques are not suited to these low-density environments. Diagnostics from type J solar radio bursts at frequencies above 10 MHz are ideally suited to understand these coronal loops. Despite this, J-bursts are less frequently studied than their type III cousins, in part because the curvature of the coronal loop makes ...

Zhang, Jinge; Reid, Hamish; Krupar, Vratislav; Zucca, Pietro; Dabrowski, Bartosz; Krankowski, Andrzej;

Published by: \solphys      Published on: jan

YEAR: 2023     DOI: 10.1007/s11207-022-02096-0

Parker Data Used; Energetic particles; Electrons; magnetic fields; Corona; Radio emission; Radio bursts; Astrophysics - Solar and Stellar Astrophysics

Solar Electron Beam Velocities That Grow Langmuir Waves in the Inner Heliosphere

Solar accelerated electron beams, a component of space weather, are emitted by eruptive events at the Sun. They interact with the ambient plasma to grow Langmuir waves, which subsequently produce radio emission, changing the electrons motion through space. Solar electron beam-plasma interactions are simulated using a quasilinear approach to kinetic theory to probe the variations in the maximum electron velocity [\ensuremath\Xi ] responsible for Langmuir wave growth between the Sun s surface and 50 R$_\ensuremath\odot$ above ...

Lorfing, Camille; Reid, Hamish;

Published by: \solphys      Published on: apr

YEAR: 2023     DOI: 10.1007/s11207-023-02145-2

Electrons; particle emission; Radio radiation; Langmuir waves; space weather


Spatial Expansion and Speeds of Type III Electron Beam Sources in the Solar Corona

A component of space weather, electron beams are routinely accelerated in the solar atmosphere and propagate through interplanetary space. Electron beams interact with Langmuir waves resulting in type III radio bursts. They expand along the trajectory and, using kinetic simulations, we explore the expansion as the electrons propagate away from the Sun. Specifically, we investigate the front, peak, and back of the electron beam in space from derived radio brightness temperatures of fundamental type III emission. The front ...

Reid, Hamish; Kontar, Eduard;

Published by: The Astrophysical Journal      Published on: 11/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aae5d4

Astrophysics - Solar and Stellar Astrophysics; parker solar probe; Solar Probe Plus; Solar wind; Sun: corona; Sun: flares; Sun: particle emission; Sun: radio radiation


Langmuir wave electric fields induced by electron beams in the heliosphere

Solar electron beams responsible for type III radio emission generate Langmuir waves as they propagate out from the Sun. The Langmuir waves are observed via in situ electric field measurements. These Langmuir waves are not smoothly distributed but occur in discrete clumps, commonly attributed to the turbulent nature of the solar wind electron density. Exactly how the density turbulence modulates the Langmuir wave electric fields is understood only qualitatively. Using weak turbulence simulations, we investigate how solar ...

Reid, Hamish; Kontar, Eduard;

Published by: Astronomy \& Astrophysics      Published on: 02/2017

YEAR: 2017     DOI: 10.1051/0004-6361/201629697

Astrophysics - Solar and Stellar Astrophysics; parker solar probe; Physics - Plasma Physics; Physics - Space Physics; Solar Probe Plus; Solar wind; Sun: flares; Sun: heliosphere; Sun: magnetic fields; Sun: particle emission; Sun: radio radiation


Evolution of the Solar Flare Energetic Electrons in the Inhomogeneous Inner Heliosphere

Solar flare accelerated electrons escaping into the interplanetary space and seen as type III solar radio bursts are often detected near the Earth. Using numerical simulations we consider the evolution of energetic electron spectrum in the inner heliosphere and near the Earth. The role of Langmuir wave generation, heliospheric plasma density fluctuations, and expansion of magnetic field lines on the electron peak flux and fluence spectra is studied to predict the electron properties as could be observed by Solar Orbiter a ...

Reid, Hamish; Kontar, Eduard;

Published by: Solar Physics      Published on: 07/2013

YEAR: 2013     DOI: 10.1007/s11207-012-0013-x

Astrophysics - Solar and Stellar Astrophysics; dynamics; Energetic particles; flares; parker solar probe; plasma; propagation; Radio bursts; Solar Probe Plus; Solar wind; type III; waves