Implications of X-ray observations for electron acceleration and propagation in solar flares

GD Holman, MJ Aschwanden, H Aurass… - Space science …, 2011 - Springer
High-energy X-rays and γ-rays from solar flares were discovered just over fifty years ago.
Since that time, the standard for the interpretation of spatially integrated flare X-ray spectra at …

Recent advances in understanding particle acceleration processes in solar flares

VV Zharkova, K Arzner, AO Benz, P Browning… - Space science …, 2011 - Springer
We review basic theoretical concepts in particle acceleration, with particular emphasis on
processes likely to occur in regions of magnetic reconnection. Several new developments …

A unified computational model for solar and stellar flares

JC Allred, AF Kowalski, M Carlsson - The Astrophysical Journal, 2015 - iopscience.iop.org
We present a unified computational framework that can be used to describe impulsive flares
on the Sun and on dMe stars. The models assume that the flare impulsive phase is caused …

Measurements of the coronal acceleration region of a solar flare

S Krucker, HS Hudson, L Glesener… - The Astrophysical …, 2010 - iopscience.iop.org
ABSTRACT The Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) and
the Nobeyama Radioheliograph (NoRH) are used to investigate coronal hard X-ray and …

Deducing electron properties from hard X-ray observations

EP Kontar, JC Brown, AG Emslie, W Hajdas… - Space science …, 2011 - Springer
X-radiation from energetic electrons is the prime diagnostic of flare-accelerated electrons.
The observed X-ray flux (and polarization state) is fundamentally a convolution of the cross …

The atmospheric response to high nonthermal electron beam fluxes in solar flares. I. Modeling the brightest NUV footpoints in the X1 solar flare of 2014 March 29

AF Kowalski, JC Allred, A Daw, G Cauzzi… - The Astrophysical …, 2017 - iopscience.iop.org
The 2014 March 29 X1 solar flare (SOL20140329T17: 48) produced bright continuum
emission in the far-and near-ultraviolet (NUV) and highly asymmetric chromospheric …

Modeling the transport of nonthermal particles in flares using Fokker–Planck kinetic theory

JC Allred, M Alaoui, AF Kowalski… - The Astrophysical …, 2020 - iopscience.iop.org
We describe a new approach for modeling the transport of high-energy particles accelerated
during flares from the acceleration region in the solar corona until their eventual …

Numerical modeling of energetic electron acceleration, transport, and emission in solar flares: connecting loop-top and footpoint hard X-ray sources

X Kong, B Chen, F Guo, C Shen, X Li… - The Astrophysical …, 2022 - iopscience.iop.org
The acceleration and transport of energetic electrons during solar flares is one of the
outstanding topics in solar physics. Recent X-ray and radio imaging and spectroscopy …

Bridging high-density electron beam coronal transport and deep chromospheric heating in stellar flares

AF Kowalski - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
The optical and near-ultraviolet (NUV) continuum radiation in M-dwarf flares is thought to be
the impulsive response of the lower stellar atmosphere to magnetic energy release and …

[图书][B] Hard X-ray Imaging of Solar Flares

M Piana, AG Emslie, AM Massone, BR Dennis - 2022 - Springer
The idea for this book emerged over a number of years as the authors participated in various
research projects related to analysis and interpretation of data from NASA's RHESSI Small …