145 citations · 578 across the 28 of their papers we have counts for
28 papers
On the possibility of using decayless kink oscillations of coronal loops to forecast powerful solar flares and coronal mass ejections
A. B. Nechaeva, I. V. Zimovets, I. N. Sharykin +1
This work investigates the decayless kink oscillations of solar coronal loops and examines possible changes in their behaviour in active regions (ARs) before powerful solar flares…
Investigation of possible precursors of solar flares in the active region 12230 On December 9, 2014
G. G. Motorina, I. N. Sharykin, I. V. Zimovets +1
The question of the nature of precursors of solar flares, as well as their relationship with subsequent flares, still has no unambiguous answer. This is due, in particular, to the…
Magnetic energies (and some other parameters) in solar active regions of different Hale and McIntosh classes: statistical analysis for 2010-2024
I. V. Zimovets, I. N. Sharykin, W. -Q. Gan
A statistical analysis of magnetic energies of the nonlinear force-free and potential fields, and their difference (a proxy for the free magnetic energy) in active regions (ARs) on…
Unveiling Spatiotemporal Properties of the Quasi-periodic Pulsations in the Balmer Continuum at 3600 Å in an X-class Solar White-light Flare
De-Chao Song, Marie Dominique, Ivan Zimovets +11
Quasi-periodic pulsations (QPPs) in the Balmer continuum of solar white-light flares (WLFs) are rarely reported, and accurately pinpointing the spatial source of flaring QPPs remai…
Magnetic Energy Powers the Corona: How We Can Understand its 3D Storage & Release
Amir Caspi, Daniel B. Seaton, Roberto Casini +12
The coronal magnetic field is the prime driver behind many as-yet unsolved mysteries: solar eruptions, coronal heating, and the solar wind, to name a few. It is, however, still poo…
COMPLETE: A flagship mission for complete understanding of 3D coronal magnetic energy release
Amir Caspi, Daniel B. Seaton, Roberto Casini +12
COMPLETE is a flagship mission concept combining broadband spectroscopic imaging and comprehensive magnetography from multiple viewpoints around the Sun to enable tomographic recon…
Kink oscillations of coronal loops
V. M. Nakariakov, S. A. Anfinogentov, P. Antolin +13
Kink oscillations of coronal loops, i.e., standing kink waves, is one of the most studied dynamic phenomena in the solar corona. The oscillations are excited by impulsive energy re…
Comparative study of electric currents and energetic particle fluxes in a solar flare and Earth magnetospheric substorm
Anton Artemyev, Ivan Zimovets, Ivan Sharykin +20
Magnetic field-line reconnection is a universal plasma process responsible for the conversion of magnetic field energy to the plasma heating and charged particle acceleration. Sola…
Multiwavelength Stereoscopic Observation of the May 1, 2013 Solar Flare and CME
Erica Lastufka, Säm Krucker, Ivan Zimovets +7
A M-class behind-the-limb solar flare on 1 May 2013 (SOL2013-05-01T02:32), accompanied by a ( 400 km/s) CME was observed by several space-based observatories with different v…
Relationships between Photospheric Vertical Electric Currents and Hard X-Ray Sources in Solar Flares: Statistical Study
I. V. Zimovets, I. N. Sharykin, W. Q. Gan
There are still debates whether particle acceleration in solar flares may occur due to interruption of electric currents flowing along magnetic loops. To contribute to this problem…
Density distribution of photospheric vertical electric currents in flare active regions of the Sun
I. V. Zimovets, A. B. Nechaeva, I. N. Sharykin +1
Solar active regions contain electric currents. Information on the distribution of currents is important for understanding the processes of energy release on the surface of the Sun…
Flare Energy Release at the Magnetic Field Polarity Inversion Line During M1.2 Solar Flare of 2015 March 15. II. Investigation of Photospheric Electric Current and Magnetic Field Variations Using HMI 135-second Vector Magnetograms
I. N. Sharykin, I. V. Zimovets, I. I. Myshyakov
This work is a continuation of Paper I [Sharykin et al., 2018] devoted to analysis of nonthermal electron dynamics and plasma heating in the confined M1.2 class solar flare SOL2015…
Radio, Hard X-Ray, and Gamma-Ray Emissions Associated with a Far-Side Solar Event
V. V. Grechnev, V. I. Kiselev, L. K. Kashapova +9
The SOL2014-09-01 far-side solar eruptive event produced hard electromagnetic and radio emissions observed with detectors at near-Earth vantage points. Especially challenging was a…
Flare Energy Release in the Magnetic Field Polarity Inversion Line During M1.2 Solar Flare of March 15, 2015. Paper I. Onset of Plasma Heating and Electrons Acceleration
I. N. Sharykin, I. V. Zimovets, I. I. Myshyakov +1
We present the study of SOL2015-03-15 M1.2 flare, revealing acceleration of electrons and plasma heating in the sheared twisted magnetic structure in the polarity inversion line (P…
Flare Energy Release in the Lower Solar Atmosphere Near the Magnetic Field Polarity Inversion Line
I. N. Sharykin, V. M. Sadykov, A. G. Kosovichev +2
We study flare processes in the solar atmosphere using observational data for a M1-class flare of June 12, 2014, obtained by New Solar Telescope (NST/BBSO) and Helioseismic Magneti…
Magnetic structure of solar flare regions producing hard X-ray pulsations
I. V. Zimovets, R. Wang, Y. D. Liu +5
We present analysis of the magnetic field in seven solar flare regions accompanied by the pulsations of hard X-ray (HXR) emission. These flares were studied by Kuznetsov et al. (20…
Catalog of Hard X-ray Solar Flares Detected with Mars Odyssey/HEND from the Mars Orbit in 2001-2016
M. A. Livshits, I. V. Zimovets, D. V. Golovin +7
The study of nonstationary processes in the Sun is of great interest, and lately, multiwavelength observations and registration of magnetic fields are carried out by means of both…
Investigation of Relationship Between High-Energy X-ray Sources and Photospheric and Helioseismic Impacts of X1.8 Solar Flare of October 23, 2012
Ivan N Sharykin, Alexander G Kosovichev, Viacheslav M Sadykov +2
The X-class solar flare of October 23, 2012, generated continuum photospheric emission and a strong helioseismic wave ("sunquake") that points to an intensive energy release in the…
Spatio-temporal dynamics of sources of hard X-ray pulsations in solar flares
S. A. Kuznetsov, I. V. Zimovets, A. S. Morgachev +1
We present systematic analysis of spatio-temporal evolution of sources of hard X-ray (HXR) pulsations in solar flares. We concentrate on disk flares whose impulsive phase are accom…
Observational Investigation of Energy Release in the Lower Solar Atmosphere of a Solar Flare
I. N. Sharykin, V. M. Sadykov, A. G. Kosovichev +2
We study flare processes in the lower solar atmosphere using observational data for a M1-class flare of June 12, 2014, obtained by New Solar Telescope (NST/BBSO) and Helioseismic M…
Relationship between chromospheric evaporation and magnetic field topology in M-class solar flare
V. M. Sadykov, A. G. Kosovichev, I. N. Sharykin +2
Chromospheric evaporation is observed as Doppler blueshift during solar flares. It plays one of key roles in dynamics and energetics of solar flares, however, its mechanism is stil…
Plasma Heating to Super-Hot Temperatures (>30 MK) in the August 9, 2011 Solar Flare
I. N. Sharykin, A. B. Struminsky, I. V. Zimovets
We investigate the August 9, 2011 solar flare of X-ray class X6.9, the "hottest" flare from 2000 to 2012, with a peak plasma temperature according to GOES data of 32.5 MK. Our goal…
Properties of chromospheric evaporation and plasma dynamics of a solar flare from IRIS observations
Viacheslav M. Sadykov, Santiago Vargas Dominguez, Alexander G. Kosovichev +3
Dynamics of hot chromospheric plasma of solar flares is a key to understanding of mechanisms of flare energy release and particle acceleration. A moderate M1.0 class flare of 12 Ju…
Energy Release and Initiation of Sunquake in C-class Flare
I. N. Sharykin, A. G. Kosovichev, I. V. Zimovets
We present analysis of C7.0 solar flare of Febrary 17, 2013, revealing a strong helioseismic response (sunquake) caused by a very compact impact in the photosphere. This is the wea…