M. M. Mogilevsky

• PhD
• Principal Investigator at Space Research Institute, Russian Academy of Sciences

The ERG (Arase) satellite recently discovered a non-thermal hectometric continuum with a narrowband frequency structure. The mechanism behind the generation of this type of emission in the near-Earth plasma is still unknown. This study examines the potential use of electron cyclotron harmonics instability to explain the line structure of hectometri...

An Erratum to this paper has been published: https://doi.org/10.1134/S1062873824110030

We present the results of Auroral Kilometric Radiation (AKR) measurements near the plasmapause on the ERG (Arase) satellite. The apogee of the satellite's orbit is located near the ecliptic plane, at latitudes ±30°. According to the generally accepted point of view, AKR observation is impossible in this region since it is shielded by the plasmasphe...

We present the results of Auroral Kilometric Radiation (AKR) measurements near the plasmapause on the ERG (Arase) satellite. The apogee of the satellite's orbit is located near the ecliptic plane, at latitudes ±30°. According to the generally accepted point of view, AKR observation is impossible in this region since it is shielded by the plasmasphe...

In this work, we have studied the recently discovered hectometric continuum radiation in near-Earth plasma. We have carried out a detailed statistical analysis of the occurrence of a hectometric continuum near Earth at distances 1.1–2 Re, where Re is the Earth radius, for a two-year period, using data from the ERG (Arase) satellite. We have establi...

Представлены результаты исследования мелкомасштабной внутренней структуры поляризационного джета на основе спутниковых данных с использованием вейвлет-преобразования параметров ионосферной плазмы. Определены минимальные размеры мелкомасштабных неоднородностей температуры и концентрации электронов. Скорее всего, любой поляризационный джет является с...

In this work, we have studied the recently discovered hectometric continuum radiation in near-Earth plasma. We have carried out a detailed statistical analysis of the occurrence of a hectometric continuum near Earth at distances 1.1–2 Re, where Re is the Earth radius, for a two-year period, using data from the ERG (Arase) satellite. We have establi...

The electromagnetic fields measured on the ERG satellite are presented and their comparative analysis with measurements on the WIND satellite is carried out. The possibility of capturing auroral kilometric radiation (AKR) into plasma channels, which was first discovered on the ISEE satellite, has been confirmed. Plasma inhomogeneities, formed with...

We study the spatial structure of a polarization jet/Sub-Auroral Ion Drift (PJ/SAID) based on data from the NorSat-1 and Swarm satellites during a geomagnetic storm. Observations of plasma parameters inside the PJ/SAID are obtained with NorSat-1 using a system of Langmuir probes with a nominal sampling rate of up to 1 kHz, which allowed measurement...

Auroral kilometric radiation is used as a tool for the remote diagnostics of processes in the Earth’s magnetosphere. Using satellite data and the spectrum of fluctuations of auroral kilometric radiation at various frequencies, the fractal properties of the auroral region of the magnetosphere depending on the altitude of a source and the frequency o...

Full-text https://rdcu.be/cxl81

В настоящей работе изучается пространственная структура поляризационного джета по данным ионосферных спутников NorSat-1 и Swarm во время геомагнитной бури. Проведен сравнительный анализ зависимости концентрации и температуры электронов от инвариантной широты одновременно по измерениям на спутниках NorSat-1 и Swarm C во время пересечения спутниками...

In this work, we study the spatial structure of the polarization jet based on data from the NorSat-1 and Swarm ionospheric satellites during a geomagnetic storm. A comparative analysis of the electron density and temperature dependence on the invariant latitude is carried out simultaneously according to measurements of the NorSat-1 and Swarm C sate...

Observations are reported of electromagnetic emissions at frequencies above the electron gyrofrequency in a mirror-confined electron cyclotron resonance plasma. These emissions are interpreted as the excitation of the fast extraordinary wave at the fundamental harmonic of the electron gyrofrequency, similar to the excitation of the auroral kilometr...

In this work, we have studied the signals of auroral kilometer radiation (AKR) from sources in the auroral regions of the Northern and Southern hemispheres simultaneously recorded by one satellite. We have carried out a detailed statistical analysis of more than 20 months of continuous AKR measurements made by the ERG satellite (also known as Arase...

В настоящей работе проведено ис-следование мелкомасштабной структуры поляриза-ционного джета в субавроральной области во время геомагнитной бури 20 апреля 2018 г. Представлены результаты измерений параметров плазмы внутри поляризационного джета с максимальной частотой опроса 1 кГц с помощью зондов Ленгмюра, уста-новленных на микроспутнике NorSat-1....

In this work, we have studied the signals of auroral kilometer radiation (AKR) from sources in the auroral regions of the Northern and Southern hemispheres simultaneously recorded by one satellite. We have carried out a detailed statistical analysis of more than 20 months of continuous AKR measurements made by the ERG satellite (also known as Arase...

In this work, we study the small-scale structure of a polarization jet in the subauroral region during the April 20, 2018 geomagnetic storm. We report measurement results of plasma parameters inside the polarization jet with a maximum sampling rate of up to 1 kHz, obtained with Langmuir probes installed on the NorSat-1 microsatellite. The study est...

Plain Language Summary The current stage in the development of active experiments includes the use of satellites for sensing plasma disturbances in situ. However, these data can only be obtained if the satellite crosses an HF‐perturbed magnetic flux tube, which rests on a region with highly developed turbulence generated near pump wave reflected al...

The principal possibility to measure the plasma density and its fluctuations in the ionosphere on ultra-small space vehicles using radiophysical methods is shown. These methods allow us to determine the characteristics of the medium by the properties of the received radiation. It is assumed that each small spacecraft has a satellite navigation rece...

The paper shows the possibility to measure plasma density and its fluctuations in the ionosphere on ultra-small space spacecraft using radiophysical methods that allow determining the characteristics of the medium through which radiation is transmitted. It is assumed that each spacecraft will have a navigational satellite receiver, as well as a dev...

This paper describes a space experiment that is planned to be performed within the framework of the Russian project of the microsatellite CHIBIS AI to meaure ionospheric signal delays to determine the electron density and spatial fluctuations of the ionospheric and magnetospheric plasma. The measurements will be conducted by the phase interferomete...

The paper is devoted to the study of decentralized control using differential lift and drag for the construction and maintenance of the tetrahedral configuration. The most popular in the class of nanosatellites 3U CubeSats are considered. They have a suitable form-factor which let the cross-sectional area of satellites relative to the incoming airf...

The currents induced by ion-acoustic solitons have been studied in a two-component magnetic–hydrodynamic approximation (MHD model) taking into account the trapped electrons. The solitons have been shown to excite unipolar nonpolar pulses of the ion and electron currents, and the established mechanisms of their excitation are. The spatiotemporal cha...

Krot device is a unique installation of the scientific infrastructure of the Russian Federation. It is a source of highly uniform low-temperature plasma that takes up to several tens of cubic meters. The setup makes it possible to perform both scaling laboratory simulations of ionospheric and magnetospheric phenomena in the approximation of unbound...

Plasma instability caused by an inhomogeneous energy density distribution is considered. It is shown that this instability can lead to the excitation of electrostatic ion-cyclotron and oblique ion-acoustic waves, generated in the presence of an inhomogeneous transverse electric field and a shear in the parallel drift velocity of the plasma particle...

Satellite observations show that the electrostatic instability, which is expected to occur in most cases due to an inhomogeneous energy density caused by a strongly inhomogeneous transverse electric field (shear of plasma convection velocity), occasionally does not develop inside nonlinear plasma structures in the auroral ionosphere, even though th...

The currents induced by ion-acoustic solitons have been studied in a two-component magnetic–hydrodynamic approximation (MHD model) taking into account the trapped electrons. The solitons have been shown to excite unipolar nonpolar pulses of the ion and electron currents, and the established mechanisms of their excitation are. The spatiotemporal cha...

In this work, values of the fractal dimension and the connectivity index characterizing the structure of Hall conductivities on the night side of the auroral ionosphere are derived in general form. Restrictions imposed on fractal structure of the ionospheric conductivity are analyzed in terms of the percolation of the ionospheric Hall currents. It...

The broadband electrostatic turbulence generally observed in the high-latitude ionosphere is a superposition of nonlocal waves of ion-acoustic and ion-cyclotron types. In the presence of a shear of ion parallel velocity, ion-acoustic modes can be induced by an instability emerging due to an inhomogeneous distribution of energy density. This paper i...

Traditional methods of time series analysis of satellite ionospheric measurements have some limitations and disadvantages that are mainly associated with the complex nonstationary signal structure. In this paper, the possibility of identifying and studying the temporal characteristics of signals via visual analysis is considered. The proposed appro...

Permanent variation in parameters affecting the key characteristics of the auroral ionosphere hinders the creation of a sufficiently accurate model for practical application within classical approaches describing quasi-stationary phenomena. The fractal approach for describing the properties of plasma in the auroral region has the following advantag...

It is well known that the broadband electrostatic turbulence observed in the topside auroral ionosphere can be identified with electrostatic ion cyclotron and/or oblique ion acoustic waves. Under certain conditions generation of the ion-cyclotron modes is inhibited, so that the oblique ion-acoustic waves become the prevailing part of the broadband...

Broadband electrostatic noise in the auroral ionosphere can be identified as a version of waves of an electrostatic ion cyclotron type, excited by plasma instability resulting from an inhomogeneous distribution of wave energy density. Broadband waves are generated due to both electric field inhomogeneities and plasma density inhomogeneities. The ef...

In the studies of the data received from DEMETER (orbit altitude above the Earth is about 700 km), we detected for the first time electromagnetic perturbations, which are due to the ionospheric modification by HAARP, a high-power high-frequency transmitter, simultaneously in the extremely low-frequency (ELF, below 1200 Hz) and very low-frequency (V...

We present the high-frequency properties of the eight electric field sensors as proposed to be launched on the spacecraft "RESONANCE" in the near future. Due to the close proximity of the conducting spacecraft body, the sensors (antennas) have complex receiving features and need to be well understood for an optimal mission and spacecraft design. An...

To study instabilities caused by inhomogeneities of the electric field and plasma density in the auroral zone, numerical algorithms are developed and computational modeling are performed for different conditions in the background plasma. It is shown that the dispersion relation has unstable solutions in a wide range of frequencies and wavenumbers....

In order to study instabilities caused by inhomogeneities of the electric field and plasma density in the auroral zone, numerical algorithms are developed and numerical simulations are performed for different conditions in the background plasma. To this end, a nonlocal dispersion relation for a given type of wave is analyzed. It is shown that the d...

Inhomogeneities of plasma density and non-uniform electric fields are compared as possible sources of a sort of electrostatic ion cyclotron waves that can be identified with broadband extremely low frequency electrostatic turbulence in the topside auroral ionosphere. Such waves are excited by inhomogeneous energy-density-driven instability. To gain...

Most of the processes taking place in the auroral region of Earth's ionosphere are reflected in a variety of dynamic forms of the aurora borealis. In order to study these processes it is necessary to consider temporary and spatial variations of the characteristics of ionospheric plasma. Most traditional methods of classical physics are applicable m...

This paper reviews the characteristics of plasma-wave perturbations produced by wave-particle interactions in the magnetosphere-ionosphere system. These perturbations may, notably, be due to lightning discharges and to radiation from high-power low-frequency transmitters. These can form wave-guide channels, i.e., density inhomogeneities, which orig...

We present the high frequency properties of the eight electric field sensors as proposed to be launched on the spacecraft "RESONANCE" in the near future. Due to the close proximity of the conducting spacecraft body, the sensors (antennas) have complex receiving features and need to be well understood for an optimal mission and spacecraft design. An...

Процессы, происходящие в авроральной ионосфере, носят сложный нелинейный характер. Постоянное изменение параметров, влияющих на ключевые характеристики авроральной ионосферы, затрудняет создание достаточно точной модели для практического применения в рамках классических подходов, описывающей (квази)стационарные явления. Использование фрактального п...

The excitation of electrostatic turbulence inside space-observed solitary structures is a central topic of this exposition. Three representative solitary structures observed in the topside auroral ionosphere as large-amplitude nonlinear signatures in the electric field and magnetic-field-aligned current on the transverse scales of similar to 10(2)-...

The results of a joint experiment using the Tromsø heating facility and the INTERBALL-2 satellite are presented. It is shown that fluxes of accelerated ionospheric electrons reach an altitude of 11200 km, suppressing the auroral kilometric radiation. The timescales of the observed phenomena are estimated and possible physical mechanisms are discuss...

Fractal geometry is used to describe the spatial structure of the ionospheric conductivity. Topological values of fractal dimension and connectivity index, characterizing the structure of the Pedersen and Hall conductivities on the nightside of the auroral zone, are analytically obtained. Restrictions imposed on fractal structure of the ionospheric...

The plasma of the auroral region, where energetic particles precipitate from the magnetosphere into the ionosphere, is highly inhomogeneous and nonstationary. In this case, traditional methods of classical plasma physics turn out to be inapplicable. In order to correctly describe the dynamic regimes, transition processes, fluctuations, and self-sim...

A study was conducted to investigate burst structure of auroral kilometric radiation (AKR). The main characteristic of these splashes was the difference in the time of rising and decay. The results of AKR measurements obtained by INTERBALL-2 by means of the POLRAD spectropolarimeter were used to conduct the investigations. Spectrometric mode data w...

The RESONANCE experiment focuses on the study of the processes in the inner magnetosphere of our planet. The objectives of the project include the investigation of interactions between waves and particles, and monitoring of the large-scale changes in the magnetosphere associated with geomagnetic activity and magnetic storms. The study of magnetic f...

The intrinsic magnetic field shielding the planetary surface from most of space radiation is one of indicator on possible habitability of exoplanet. A search of exosolar terrestrial-like planets possessing the magnetic fields and developed magnetospheres seems to be the most intriguing objective of exoplanet studies. The interaction of planetary ma...

This article describes two scientific instruments for measuring electric and magnetic fields from the board of 4 high apogee satellites in the RESONANCE project. They are the experiment of electric fields measurement in a broad band AMEF-WB/IESP-3R and the electromagnetic wave analyzer ELMAVAN. There are represented all basic parameters of the devi...

We report on the terrestrial kilometric and hectometric radio emissions recorded by the DEMETER/ICE (Instrument Champ Electrique) experiment. This instrument measures the electric field components of electromagnetic and electrostatic waves in the frequency range from DC to 3.25 MHz. Despite the limited satellite invariant latitude (data acquisition...

We have use measurements of electromagnetic waves and plasma onboard of INTERBALL-2 satellite during joint experiment with Tromso HF heating facility. During the selected event the satellite crossed magnetic flux tube with a footprint at the ionosphere above heater. It was found significant dumping of AKR few minutes after the pumping was switched...

Strategies and results for calibrating electric field sensors (antennas), as used in radio astronomy, onboard the spacecraft “Resonance” are presented. Calibration is performed for four boom antennas and four cylindrical sensors at the boom tips. These antennas are devised for the measurement of electric fields and plasma parameters. It is shown th...

We present an overview of the current state of the RESONANCE project. It is planned as a space mission consisting of two pairs of satellites each staying in the same magnetic flux tube over a substantial part of orbit, referred to as magneto-synchronous orbit. Such an orbit and four-satellite constellation permit long simul-taneous measurements of...

The enhancement of auroral kilometric radiation near its lowest frequency has been detected in the polar edge of the auroral zone in the POLRAD experiment with the INTERBALL-2 satellite. The difference between the local electron cyclotron frequency and the lowest frequency of enhanced radiation is 8–20 kHz, indicating the closeness to the source of...

The Auroral Kilometric Radiation (AKR) was investigated on measurements in the POLRAD experiment on the INTERBALL-2 satellite. It was revealed "low-frequency" radiation with specific features in a spectrum on a polar edge of the auroral region. We have obtained that a series of narrow-band splashes are observed at frequencies between 35 and 70 kHz...

The radiation pattern has been determined on the basis of the comparative analysis of auroral kilometric radiation (AKR) received in the space-diversity mode by two satellites, INTERBALL-2 and POLAR. The radiation propagates in a cone with an opening angle ~ ±25°and the axis aligned with the local magnetic field. The results confirm the theoretical...

A flash-up of geomagnetic activity generates kinetic Alfven waves in the region, close to the polar boundary of aurora. These waves heat particles and produce favorable conditions for AKR source formation. We have used measurements of electromagnetic waves and plasma parameters onboard INERBALL-2 satellite to study locations of AKR sources during g...

The "classical" Auroral Kilometric Radiation (AKR) generates in auroral region by cyclotron maser instability and the energy source of it - energetic particles injected from the tail to inner region of magnetosphere. The similar emission are observed in the cusp region. We use measurements of electromagnetic emissions in this region at frequency fr...

Data of thermal ion heating on auroral polar border measured by Interball-2 (Auroral Probe) satellite is presented. When the satellite crossed of the polar cap on auroral polar border during high geomagnetic activity intense low frequency electromagnetic perturbations are detected. At the same time local heating of thermal plasma occurs. Near the b...

We report on the calibration effort for the monopole antennas onboard the Resonance spacecraft. The calibration is performed for four boom antennas and four cylindrical sensors at the boom tips. These antennas are devised for the measurement of electrical fields and plasma parameters. We apply two methods for the antenna analysis: first, electrolyt...

Space mission "Geophysics" intended for monitoring of ionospheric plasma parameters, electromagnetic emission and solar activity. In the frame of the project will be launched five small satellites on solar-synchronous orbits: two satellites on circular orbit, altitude ~700 km, orbit plane - morning-evening, another two satellites at the same altitu...

Simultaneous wave observations onboard the ISEE-1 and ISEE-3 spacecraft show that onsets of the Auroral Kilometric Radiation frequently coincide with an arrival of type III solar burst (Calvert, 1981). It was supposed that solar burst stimulates maser instability in auroral region and AKR consequently . We present statistical and case studies of ev...

The Moon, the Earth's neighbor, attracts an attention as a celestial body, as a source for mineral and other resources and as a possible base for fundamental scientific researches. The conducting ionosphere of Earth completely shields radioemissions coming from outer space and propagating at frequencies below a few MHz. In contrary, the Moon posses...

The conducting ionosphere of Earth completely shields radioemissions coming from outer space and propagating at frequencies below a few MHz. In contrary, the Moon possessing a week atmosphereionosphere around its surface seems to be a perfect base for carrying out measurements of low frequency radio emissions originated from the space. The most int...

The radiation pattern has been determined on the basis of the comparative analysis of auroral kilometric radiation (AKR) received in the space-diversity mode by two satellites, Interball-2 and Polar. The radiation propagates in a cone with an opening angle ∼±25° and the axis aligned with the local magnetic field. The results con-firm the theoretica...

The terrestrial auroral kilometric radiation (AKR) is a strongly polarized variable electromagnetic emission generated at frequencies between 20 and 1000 kHz with the sources mainly located in the nightside region of the Earth's magnetosphere. The already established method of direction finding with tree orthogonal antennas as well as new "geometri...

A number of missions, which are of interest for solar-terrestrial community, are now under implementation by Russian Space Agency. PLASMA-F experiment is a mission of opportunity onboard astronomy spacecraft SPECTR-R to be launched in late 2007. It's prime target is high-time resolution field and particle measurements in the solar wind. RESONANCE i...

Source altitudes of Auroral Kilometric Radiation (AKR) have been studied using two-year measurements of the POLRAD radio spectrograph onboard the INTERBALL-2 satellite. Association of the AKR source altitudes with geomag-netic activity has been found: the generation region rises upward and expands with increasing magnetic disturbance. Physical natu...

The only natural masers that can be studied experimentally in-situ are magnetospheric masers. Concept of the magnetospheric cyclotron maser has been derived from the self-consistent theory of the radiation belts. In this natural maser energetic charged particles serve as an active substance, and an electro-dynamic system is formed by the magnetic f...

There is experimental evidence for the artificial induction of Flowing Cyclotron Maser (FCM) by reflection coefficient modification. It is the close correlation of auroral pulsations and auroral VLF emissions that is the experimental basis of the theory. We review experiments with ionospheric barium vapor releases, when auroral pulsations were appa...

Strong variations of intensity and cutoff frequency of the auroral hiss were observed by INTERBALL-2 and POLAR satellites at high altitudes, poleward from the auroral oval. The hiss intensifications are correlated with the auroral activations during substorms and/or pseudo-breakups. The low cutoff frequency of auroral hiss increases with the distan...

A statistical analysis of the auroral kilometric radiation (AKR) measurements in the POLRAD experiment on the INTERBALL-2 satellite has revealed a dependences of the size and location of the AKR generation region on geomagnetic activity: the generation region rises upward and expands with increasing magnetic disturbances. Based on our two-year meas...