Nonequilibrium Processes in the Solar Corona, Transition Region, Flares, and Solar Wind (Invited Review)
J Dudík, E Dzifčáková, N Meyer-Vernet, G Del Zanna… - Solar Physics, 2017 - Springer
We review the presence and signatures of the non-equilibrium processes, both non-
Maxwellian distributions and non-equilibrium ionization, in the solar transition region …
Maxwellian distributions and non-equilibrium ionization, in the solar transition region …
Three-dimensional dynamics of strongly twisted magnetar magnetospheres: Kinking flux tubes and global eruptions
The origins of the various outbursts of hard X-rays from magnetars (highly magnetized
neutron stars) are still unknown. We identify instabilities in relativistic magnetospheres that …
neutron stars) are still unknown. We identify instabilities in relativistic magnetospheres that …
Data-constrained solar modeling with GX simulator
GM Nita, GD Fleishman, AA Kuznetsov… - The Astrophysical …, 2023 - iopscience.iop.org
To facilitate the study of solar flares and active regions, we have created a modeling
framework, the freely distributed GX Simulator IDL package, that combines 3D magnetic and …
framework, the freely distributed GX Simulator IDL package, that combines 3D magnetic and …
Turbulent kinetic energy in the energy balance of a solar flare
The energy released in solar flares derives from a reconfiguration of magnetic fields to a
lower energy state, and is manifested in several forms, including bulk kinetic energy of the …
lower energy state, and is manifested in several forms, including bulk kinetic energy of the …
3He-rich solar energetic particles in helical jets on the Sun
Particle acceleration in stellar flares is ubiquitous in the universe; however, our Sun is the
only astrophysical object where energetic particles and their source flares can both be …
only astrophysical object where energetic particles and their source flares can both be …
Reconnection and particle acceleration in interacting flux ropes–II. 3D effects on test particles in magnetically dominated plasmas
B Ripperda, O Porth, C Xia… - Monthly Notices of the …, 2017 - academic.oup.com
We analyse particle acceleration in explosive reconnection events in magnetically
dominated proton–electron plasmas. Reconnection is driven by large-scale magnetic …
dominated proton–electron plasmas. Reconnection is driven by large-scale magnetic …
Broad non-Gaussian Fe XXIV line profiles in the impulsive phase of the 2017 September 10 X8. 3-class flare observed by Hinode/EIS
V Polito, J Dudík, J Kašparová… - The Astrophysical …, 2018 - iopscience.iop.org
We analyze the spectra of high-temperature Fe xxiv lines observed by the Hinode/Extreme-
Ultraviolet Imaging Spectrometer (EIS) during the impulsive phase of the X8. 3-class flare on …
Ultraviolet Imaging Spectrometer (EIS) during the impulsive phase of the X8. 3-class flare on …
An MHD modeling of the successive X2. 2 and X9. 3 solar flares of 2017 September 6
S Inoue, Y Bamba - The Astrophysical Journal, 2021 - iopscience.iop.org
The solar active region 12673 produced two successive X-class flares (X2. 2 and X9. 3)
approximately 3 hr apart in 2017 September. The X9. 3 flare was the largest recorded solar …
approximately 3 hr apart in 2017 September. The X9. 3 flare was the largest recorded solar …
Non-Maxwellian analysis of the transition-region line profiles observed by the interface region imaging spectrograph
J Dudík, V Polito, E Dzifčáková… - The Astrophysical …, 2017 - iopscience.iop.org
We investigate the nature of the spectral line profiles for transition-region (TR) ions observed
with the Interface Region Imaging Spectrograph (IRIS). In this context, we analyzed an active …
with the Interface Region Imaging Spectrograph (IRIS). In this context, we analyzed an active …
Variations in emission from episodic plasmoid ejecta around black holes
Z Younsi, K Wu - Monthly Notices of the Royal Astronomical …, 2015 - academic.oup.com
The X-ray and radio flares observed in X-ray binaries and active galactic nuclei are
attributed to energetic electrons in the plasma ejecta from the accretion flows near the black …
attributed to energetic electrons in the plasma ejecta from the accretion flows near the black …