A5022794522- Solar and Space Plasma Dynamics
- Ionosphere and magnetosphere dynamics
- Geomagnetism and Paleomagnetism Studies
- Astro and Planetary Science
- Geophysics and Gravity Measurements
- Earthquake Detection and Analysis
- Solar Radiation and Photovoltaics
- Magnetic confinement fusion research
- Atmospheric Ozone and Climate
- Global Energy and Sustainability Research
- Plasma Diagnostics and Applications
- Tropical and Extratropical Cyclones Research
- GNSS positioning and interference
- Spacecraft Design and Technology
- Fluid Dynamics and Turbulent Flows
- Planetary Science and Exploration
- Magnetic and Electromagnetic Effects
- Space Science and Extraterrestrial Life
- Computational Physics and Python Applications
- Oil, Gas, and Environmental Issues
- Meteorological Phenomena and Simulations
- Stellar, planetary, and galactic studies
- Economic and Technological Developments in Russia
- Laser-induced spectroscopy and plasma
- Advanced machining processes and optimization
Space Research Institute
2015-2024
Central Ukrainian National Technical University
2016
Russian Academy of Sciences
2005-2015
Lomonosov Moscow State University
2004-2009
Plasma (Russia)
2004-2005
We investigate the relative role of various types solar wind streams in generation magnetic storms. On basis OMNI data interplanetary measurements for period 1976–2000, we analyze 798 geomagnetic storms with Dst ≤ −50 nT and five as their sources: corotating interaction regions (CIR), coronal mass ejection (ICME) including clouds (MC) ejecta, a compression region sheath before both ICME ( SHE MC Ej , respectively). For study following characteristics: occurrence rate; mass, momentum, energy...
Abstract. A comparison of specific interplanetary conditions for 798 magnetic storms with Dst <−50 nT during 1976–2000 was made on the basis OMNI archive data. We categorized various large-scale types solar wind as drivers storms: corotating interaction region (CIR), Sheath, CME (ICME) including both cloud (MC) and Ejecta, separately MC "Indeterminate" type. The data processing carried out by method double superposed epoch analysis which uses two reference times (onset storm minimum...
Abstract Using the OMNI data for period 1976–2000, we investigate temporal profiles of 20 plasma and field parameters in disturbed large‐scale types solar wind (SW): corotating interaction regions (CIR), interplanetary coronal mass ejections (ICME) (both magnetic cloud (MC) Ejecta), Sheath as well shock (IS). To take into account different durations SW types, use double superposed epoch analysis (DSEA) method: rescaling duration interval all such a manner that, respectively, beginning end...
Statistical analysis of occurrence rate magnetic storms induced by different types interplanetary drivers is made on the basis OMNI data for period 1976-2000. Using our catalog large scale solar wind streams we study coronal mass ejections (ICME) (separately clouds (MC) and Ejecta) both compressed regions: corotating interaction regions (CIR) Sheaths. For these calculate integral probabilities with minimum Dst < -50, -70, -100, -150, -200 nT. The highest probability in this interval observed...
Abstract. The dynamics of the ion distribution function near Earth's bow shock is studied on basis quasi-3D measurements energy spectra in range 30–24200 eV/q with Russian-Cuban CORALL instrument INTERBALL/Tail-probe satellite. was designed for observations magnetospheric plasma and measures ions, an angular 36°–144° from Earth-Sun direction. Ion populations generated by Earth are often observed upstream shock. In solar-wind stream compressed heated passing very dense magnetic cloud (CME),...
We use previously reported observations of hot flow anomalies (HFAs) and foreshock cavities to predict the characteristics corresponding features in dayside magnetosheath, at magnetopause, outer magnetosphere. compare these predictions with Interball 1, Magion 4, GOES 8/GOES 9 magneto‐pause motion on dusk flank magnetosphere from 1800 UT January 17 0200 18, 1996. As model predicts, strong (factor 2 or more) density enhancements bound regions depressed magnetosheath densities and/or outward...
Abstract We study the durations of main and recovery phases magnetic storms induced by different types large‐scale solar‐wind streams (Sheath, cloud (MC), Ejecta, corotating interaction region (CIR)) on basis OMNI data for 1976–2000. The both depend type interplanetary drivers. On average, duration phase compressed regions (CIR Sheath) is shorter than MC while CIR‐ Sheath‐induced longer. Analysis individual shows that anticorrelate there no dependence between them (MC + Ejecta)‐induced storms.
One of the most promising areas research in solar-terrestrial physics is comparison responses magnetosphere-ionosphere-atmosphere system to various interplanetary disturbances (the so-called <<interplanetary drivers>>). Numerous studies show that different types drivers cause a reaction for identical IMF variations. At same time, number incorrect approaches this direction has increased. These errors can be attributed 4 large classes. (1) The first class includes works whose authors...
Abstract Variations in the solar wind (SW) parameters with scales of several years are an important characteristic activity and basis for a long‐term space weather forecast. We examine behavior interplanetary over 21–24 cycles (SCs) on OMNI database ( https://spdf.gsfc.nasa.gov/pub/data/omni ). Since changes can be associated both number different large‐scale types SW variations values these at phases cycle during transition from one to another, we select entire study period accordance...
Based on the data of solar wind (SW) measurements OMNI base for period 1976-2019, behavior SW types as well plasma and interplanetary magnetic field (IMF) parameters 21-24 cycles (SCs) is studied. It shown that with beginning Era Solar Grand Minimum (SC 23), proportion storms initiated by CIR increased. In addition, a change in nature interaction magnetosphere could occur due to decrease density, temperature, IMF wind.
At close to 2345 UT on September 24, 1998, the magnetosphere was suddenly compressed by passage of an interplanetary shock. In order properly interpret magnetospheric events triggered arrival this shock, we calculate orientation its velocity, and estimated time at nose magnetosphere. Our best fit shock normal has (−0.981 −0.157 −0.112) in solar ecliptic coordinates, a speed 769 km/s, 2344:19 magnetopause 10 R E . Since measurements wind magnetic field are available from multiple spacecraft,...
Abstract. Study of the plasma turbulence in central sheet was performed using Interball-Tail satellite data. Fluctuations bulk velocity were deduced from measurements taken by Corall instrument for different levels geomagnetic activity and locations inside sheet. The events that satisfied following criteria selected analysis: number density 0.1–10 cm−3, ion temperature T≥0.3 keV, average ≤100 km/s. It found flow generally appears to be strongly turbulent, i.e. is dominated fluctuations are...
Abstract. We advance the achievements of Interball-1 and other contemporary missions in exploration magnetosheath-cusp interface. Extensive discussion published results is accompanied by presentation new data from a case study comparison those within broader context three-year magnetopause (MP) crossings Interball-1. Multi-spacecraft boundary layer studies reveal that ∼80% cases interaction magnetosheath (MSH) flow with high latitude MP produces containing strong nonlinear turbulence, called...