bluuebunny/crossref_metadata_2025 huggingface dataset:
THE IMPACT OF SUPER EL NINO ON THE GLOBAL ELECTRICAL CIRCUIT
Authors:   A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia, Volkova A.V. , Slyunyaev N.N. ,   A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia, Sarafanov F.G. ,   A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia
Published: November 2024

The global electric circuit is a concept describing the distribution of electric currents in the atmosphere. An essential role in the formation of electrically active clouds, which serve as sources of electromotive force, is played by the so-called El Niño Southern Oscillation (ENSO). ENSO manifests itself in fluctuations in the temperature of the surface water layer in the equatorial Pacific Ocean. This study is aimed at studying the links between GEC and ENSO. The variability of the GEC is modeled on the basis of meteorological data, reanalysis data, a mathematical model of Weather Research and Forecasting, as well as parameterization of the ionospheric potential. The results show that strong El Niño influences the diurnal variability of the ionospheric potential.
DATABASE OF INTERPLANETARY DISTURBANCES AND FORBUSH EFFECTS
Authors:   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS (IZMIRAN), Moscow, Russia, Belov S.M. , Belov A.V. ,   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS (IZMIRAN), Moscow, Russia, Shlyk N. S. ,   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS (IZMIRAN), Moscow, Russia, Abunina M.A. ,   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS (IZMIRAN), Moscow, Russia
Published: November 2024

A new interface, accessible to any internet user, was developed for accessing the database of Forbush-effects and Interplanetary Disturbances (FEID). Catalogue of cosmic-ray events has been constantly worked on by the IZMIRAN group over the last decades and currently includes more than 8700 events, starting from the year 1954, with a solar source determined for 2500 events. Cosmic rays’ parameters are obtained using spherical analysis – the Global Survey Method (GSM) on the global neutron monitor network data.
DIAGNOSTICS OF A DISTURBED REGION OF THE IONOSPHERE BASED ON OPTICAL MEASUREMENTS AND GNSS RADIO SOUNDING
Authors:   Kazan Federal University, Kazan, Russia, Emelyanov V.V. , Kogogin D.A. ,   Kazan Federal University, Kazan, Russia, Maksimov D.S. ,   Kazan Federal University, Kazan, Russia, Nasyrov I.A. ,   Kazan Federal University, Kazan, Russia, Beletsky A.B. ,   Institute of Solar-Terrestrial physics SB RAS, Irkutsk, Russia, Shindin A.V. ,   Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia, Grach S.M. ,   Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia, Zagretdinov R.V. ,   Kazan Federal University, Kazan, Russia
Published: November 2024

We carried out an investigation of the region of the ionosphere disturbed by powerful radio emission from the Sura facility in the 2021–2023 experiments based on a joint analysis of images of the night sky in the 630 nm line and maps of the total electron content variations. Temporal changes in the neutral and charged components of the ionosphere plasma were revealed both during the entire experiment and within one cycle of exposure.
ANALYSIS OF VARIATIONS IN RADAR SIGNAL POWER FROM STARLINK SATELLITES, ACCORDING TO IRKUTSK INCOHERENT SCATTER RADAR DATA
Authors:   Institute of Solar-Terrestrial Physics of Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia, Ivonin V.A. , Lebedev V.P. ,   Institute of Solar-Terrestrial Physics of Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia
Published: November 2024

This paper presents the results of the radar data analysis of the Starlink constellation satellites, carried out at the Irkutsk Incoherent Scatter Radar from 2019 to 2023. An assumption about the coupling between the diurnal dynamics of the received radar signal power and the diurnal cycle of the Sun has been confirmed.
STUDY OF FORMATION OF A 46° HALO WHEN CHANGING SIZE OF ATMOSPHERIC ICE HEXAGONAL PARTICLES WITHIN THE FRAMEWORK OF PHYSICAL OPTICS METHOD
Authors:   V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia, Kan N.V. , Shishko V.A. ,   V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia, Kustova N.V. ,   V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia, Konoshonkin A.V. ,   V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia,   National Research Tomsk State University, Tomsk, Russia
Published: November 2024

The paper is devoted to the study of the variability of a 46° halo during the growth of a small chaotically oriented hexagonal ice column. The solution was built within the physical optics approximation over the entire sphere of scattering directions for a chaotically oriented hexagonal column in the size range from 10 to 30 microns, with a wavelength of 0.532 microns and a refractive index of 1.3116. The results demonstrate how a 46° halo is formed with an increase in the size of a hexagonal crystal.
IONOGRAMS WITH UNIQUE TRACES OBTAINED AT THE OBSERVATORY OF WD IZMIRAN IN 2023
Authors:   West Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation,  Russian Academy of Sciences, Kaliningrad, Russia, Klimanova A.A. , Timchenko A.V. ,   West Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation,  Russian Academy of Sciences, Kaliningrad, Russia, Klimenko M.V. ,   West Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation,  Russian Academy of Sciences, Kaliningrad, Russia
Published: November 2024

This work presents unique (untypical) vertical sounding ionograms for the Kaliningrad region. The ionograms were obtained using the Parus-A ionosonde located at the observatory of WD IZMIRAN in Ladygino village, Kaliningrad region (54.36° N and 20.12° E). We selected ionograms with the following unique features: manifestations of the F3s trace, the shielding sporadic Es layer, and the auroral sporadic Es-layer.
DYNAMICS OF THE EARTH'S HIGH-LATITUDE MAGNETOSPHERE DURING THE PERIOD OF GEOMAGNETIC ACTIVITY 02/24/2023 - 03/22/2023
Authors:   Moscow State University Faculty of Physics, Moscow, Russia, Manina A.S. ,   Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics, Moscow, Russia, Kalegaev V.V. ,   Moscow State University Faculty of Physics, Moscow, Russia,   Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics, Moscow, Russia, Nikolaeva V.D. ,   Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics, Moscow, Russia, Sarajev R.E. ,   Moscow State University Faculty of Physics, Moscow, Russia,   Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics, Moscow, Russia, Ivanova A.R. ,   Moscow State University Faculty of Physics, Moscow, Russia,   Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics, Moscow, Russia, Vlasova N.A. ,   Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics, Moscow, Russia
Published: November 2024

The Earth's magnetosphere is a dynamic and continuously changing system, the shape of which changes under the influence of the interplanetary medium: the solar wind and the interplanetary magnetic field. Variations in the parameters of the solar wind and the interplanetary magnetic field can be a trigger for the development of geomagnetic storms in the magnetosphere, which result in particle precipitations in the oval region and strong variations in particle fluxes of the Earth's radiation belts. The magnetosphere can be divided into internal and external parts and the auroral magnetosphere located between them.
A METHOD FOR RECORDING LOCAL DISTURBANCES IN THE IONOSPHERIC ELECTRON DENSITY CAUSED BY THE MOVEMENT OF THE ISS USING TOTAL ELECTRON CONTENT DATA
Authors:   Irkutsk National Research University, Irkutsk, Russia, Osipov K.A. , Ishin A.B. ,   Irkutsk National Research University, Irkutsk, Russia
Published: November 2024

The paper proposes a method for detecting local weak disturbances in the electron density caused by the passage of the ISS, based on TEC variations data on transionospheric rays of global navigation satellite systems. The method consists of recalculating nearby disturbances into a coordinate system associated with the ISS and statistically accumulating disturbances to detect them against the background of more amplitude TEC variations.
BALLOONING INSTABILITY AND CONDITIONS FOR ITS DEVELOPMENT IN THE EARTH’S MAGNETOSPHERE
Authors:   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Petrashchuk A.V. , Klimushkin D.Yu. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Mager P.N. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

This paper discusses conditions for the development of ballooning instability in two-dimensionally inhomogeneous plasma. The main factor for its development on closed lines of force of the magnetosphere is a sharp decrease in plasma pressure as it moves away from the Earth. It is shown that the instability lies on the same dispersion branch as the slow magnetosonic resonance.
PHOTOMETRY OF THE EARTH NIGHT ATMOSPHERE BASED ON COLOR CCD RECEIVER
Authors:   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Podlesnyi S.V. , Mikhalev А.V. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

The paper discusses the method for recording the radiation of the Earth night atmosphere by the photometric method using a receiver based on a color CCD array with wideband filters. We present the results of the processing and atmospheric radiation data analysis obtained in the GPO ISTP SB RAS, located in the Tory village of the Buryatia Republic, in 2010-2022. As a result, a seasonal variation in the emission intensity in different color channels was obtained, the average luminosity of the night sky was estimated in the R-, G-, B-channels spectral ranges of color camera for Eastern Siberia. As the receivers, the camera «Video scan 11002/O/ P/2001» was used, based on a KODAK CCD KAI-11002.
MANIFESTATION OF THE IONOSPHERIC ALFVEN RESONATOR IN GROUND-BASED AND SATELLITE OBSERVATIONS
Authors:   Institute of Physics of the Earth of the Russian Academy of Sciences, Moscow, Russia, Pozdnyakova D.D.
Published: November 2024

The spectra of electromagnetic noise observed at night in the range of the first Hz with a characteristic periodic spectral structure are usually associated with the response of the ionospheric Alfvén resonator (IAR) to radiation from lightning discharges. However, it can be shown that to obtain such a resonant spectral structure, a set of resonant modes is not needed, while a reflecting boundary is sufficient. When an Alfvén pulse is reflected from the upper ionosphere, the ground station registers two consecutive pulses divided by the time that the pulse passes through the ionosphere to the reflection point and back. In spectral analysis, the presence of pairs of coupled pulses will manifest itself as the occurrence of spectral harmonics spaced by the reverse travel time. To test this concept, we analyzed both test signals and data from ground-based induction magnetometers. Surprisingly, although the RSS is observed at ground stations for many hours every night, there are practically no reports of signs of IAR from space missions. Qualitative representations of how such a structure should be visible in the data of a low-orbit satellite are formulated. Modeling of the propagation of Alfvén pulses in a piecewise layered ionosphere showed that the spectral characteristics of the IAR should be noticeable only on Earth, and inside the IAR, the superposition of pulses propagating up and down creates a more complex spectral picture. The proposed concept makes it possible to understand why IAR structures should be less noticeable in the ionosphere than on Earth.
STUDYING EVOLUTION OF THE ENERGY SPECTRUM OF SOLAR WIND FLUCTUATIONS WITHIN THE FRAMEWORK OF THE SHELL MHD-MODEL
Authors:   Lomonosov Moscow State University, Faculty of Physics, Moscow, Russia, Dukanov I.A. , Yushkov E.V. ,   Lomonosov Moscow State University, Faculty of Physics, Moscow, Russia,   Space Research Institute — IKI, Moscow, Russia, Sokoloff D.D. ,   Lomonosov Moscow State University, Faculty of Physics, Moscow, Russia
Published: November 2024

At the moment, there is no unity in determining the causes of the evolution of the spectrum of solar wind fluctuations. In many studies, interest is focused on markers characterizing the development of turbulence and energy transfer processes in such environment. Such markers are spectral breaks on the scale of large eddies, as well as on kinetic scales. In the absence of a consensus, we can make assumptions about the causes of certain changes in the spectrum during the evolution process, based on the results of numerical modeling of turbulent processes in plasma, thus limiting the list of possible causes. This paper presents the results of a numerical study within the framework of the shell MHD model.
VELOCITY OSCILLATIONS OF CME AND RELATED SHOCK
Authors:   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Egorov Ya.I. , Fainshtein V.G. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

Several researchers have concluded that the velocity of coronal mass ejections (CME) has oscillations. Unlike the previous studies, we examined the velocity oscillations of a CME (i.e., its body) separately from the velocity of the CME-related shock, for relatively fast CMEs. The characteristics of the two structures have been found to differ noticeably.
NHC RAS FABRI-PEROT INTERFEROMETERS' PHOTOMETRIC CALIBRATION USING STARS
Authors:   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Shelkov A.D. , Artamonov M.F. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

This paper presents a photometric calibration method of the Fabry-Perot interferometers of the NHC RAS using stars. Interferograms from 2023 to early 2024 were analyzed. We calculated incident energy on interferometer’s entry window from 10 stars. After acquiring intensity of star images in ADC counts, we derived a calibration coefficient. This coefficient can convert existing nightglow arbitrary intensity data into absolute intensities.
EXCITATION OF PLASMON RESONANCES ON InGaAs PLATE BY A PLANE ELECTROMAGNETIC WAVE
Authors:   Russian New University, Moscow, Russia, Aniutin N.D.
Published: November 2024

The 2D problem of diffraction of a plane H-polarized electromagnetic wave on an InGaAs semiconductor plate was considered. The spectra of the normalized scattering pattern, the dependence of the field component Hz at a point on the surface of the structure and the spatial distribution of the field component Hz in the near zone of the structure were calculated using a rigorous numerical method in the infrared range (250 сm-1 < υ < 280 сm-1). We investigated how a plane wave's angle of incidence affects plasmon resonances.
MODERN METHODS OF TRAJECTORY OPTIMIZATION IN INHOMOGENEOUS MEDIA
Authors:   Immanuel Kant Baltic Federal University, Kaliningrad, Russia, Buryak N.V. , Nosikov I.A. ,   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS, Kaliningrad, Russia, Klimenko M.V. ,   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS, Kaliningrad, Russia
Published: November 2024

This paper describes the application of various optimization methods in the problem of high-frequency point-to-point ray tracing in inhomogeneous media using the direct variational method. Modern implementations of the conjugate gradient method, as well as quasi-Newton methods, are considered. The analysis made it possible to determine the most optimal parameters of convergence to the desired ray path.
STUDY OF E DIRECTIONAL PROPERTIES OF HF ANTENNAS BASED ON NEAR-FIELD MEASUREMENTS OBTAINED USING A UAV
Authors:   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Ermakov V.Yu. , Lebedev V.P. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

To determine the absorption coefficient of electromagnetic waves, construct a frequency profile, determine the electron concentration, etc., and to study the Earth's atmosphere in general, radio engineering devices are used. The main element of such devices is an antenna system, the main characteristics (directional patterns of the main polarizations, gain, etc.) of which must be known as accurately as possible. Due to various factors, it is necessary to carry out in-kind measurements of the parameters of antenna systems. The paper presents the results of measuring the directional properties of antennas deployed at the Tory observation point using the DJI Matrice 100 unmanned aerial vehicle. A comparative analysis of the measured and calculated directional properties of antennas in the near zone for the main polarizations is carried out. A corresponding software package has been developed to calculate the directional properties of antennas in the near zone.
METHODS OF SPATIAL FIELD PROCESSING FOR IONOSPHERIC DIAGNOSTICS PROBLEMS
Authors:   Irkutsk State University, Irkutsk, Russia, Zverev M.A. , Knizhin S.I. ,   Irkutsk State University, Irkutsk, Russia, Tinin M.V. ,   Irkutsk State University, Irkutsk, Russia
Published: November 2024

We explore the possibilities of double spatial field processing based on DWFT to increase the resolution of satellite diagnostics of inhomogeneous ionospheric plasma. In this case, a line of sources is synthesized by a low-orbit satellite. The model of the background ionosphere is chosen in the form of a simple Chapman layer. Horizontally moving inhomogeneities with a Gaussian profile are used as a model of dielectric permittivity variation.
INVESTIGATING PARAMETERS OF ACCELERATED ELECTRONS – SOURCES OF TYPE III RADIO BURSTS DURING A POWERFUL SOLAR FLARE
Authors:   Institute of Solar-Terrestrial Physics of Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia, Zhmurkina A.D. , Kashapova L.K. ,   Institute of Solar-Terrestrial Physics of Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia
Published: November 2024

A solar flare is a phenomenon that involves all layers of the solar atmosphere, propagates into the interplanetary medium, and affects near-Earth space. Electrons accelerated to high energies during this process interact with the plasma of the solar atmosphere, generating radio emission manifested in bursts of various types. The relationship between bursts occurring in different regions of the radio spectrum can serve as an indicator of the energy propagation during a flare from the initial location of energy release. In this work, we have estimated the accelerated electron beam velocity and radio emission delays between different spectral bands for a powerful solar flare on 9 May 2023.
ON POSSIBILITY OF USING AURORAL KILOMETRIC RADIATION TO DETERMINE SOME CHARACTERISTICS OF SOLAR WIND
Authors:   Space Research Institute of RAS, Moscow, Russia, Kolpak V.I. ,   Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences, Troitsk, Moscow, Russia, Mogilevsky M.M. ,   Space Research Institute of RAS, Moscow, Russia, Chugunin D.V. ,   Space Research Institute of RAS, Moscow, Russia, Chernyshov A.A. ,   Space Research Institute of RAS, Moscow, Russia, Moiseenko I.L. ,   Space Research Institute of RAS, Moscow, Russia, Riazantseva M.O. ,   Space Research Institute of RAS, Moscow, Russia
Published: November 2024

The results of statistical processing of measurements of auroral kilometric radiation (AKR) detected on the WIND satellite near the libration point L1 are presented. It is shown that the frequency of AKR registration varies in antiphase with variations in solar activity. It is assumed that such a change in the frequency of AKR registration is due to the peculiarity of propagation of radio emission in the inhomogeneous plasma of the solar wind.
REFLECTED AND SCATTERED WAVE IMAGING BY THE BOUNDARY CONTROL METHOD, NUMERICAL EXPERIMENT
Authors:   Immanuel Kant Baltic Federal University, Kaliningrad, Russia, Nosikova V.V. ,   West Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of RAS,  Kaliningrad, Russia, Pestov L.N. ,   Immanuel Kant Baltic Federal University, Kaliningrad, Russia
Published: November 2024

The paper presents the results of a numerical experiment to visualize the propagation of reflected and scattered waves based on the boundary control method. Visualization is performed in semi-geodesic coordinates and is based on the triangular factorization of the connecting operator – a symmetric positive matrix C. Due to the poor conditionality of the matrix C it is necessary to perform regularization for factorization using the Cholesky method, which leads to a strong distortion of the direct wave front. But the fronts of scattered and reflected waves are weakly distorted. After removing the direct wave F-K filtering provides visualization of reflected and scattered waves for the simulated data for two acoustic models.
STUDYING EVOLUTION OF A WEAK PERTURBATION INDUCED AT THE BOUNDARY OF A HOT CORONAL LOOP IN A STRONG MAGNETIC FIELD
Authors:   Samara National Research University, Samara, Russia, Zavershinskii D.I. ,   Samara Branch of Р.N. Lebedev Physical Institute of the Russian Academy of Sciences, Samara, Russia, Frolova A.S. ,   Samara National Research University, Samara, Russia, Agapova D.V. ,   Samara National Research University, Samara, Russia,   Samara Branch of Р.N. Lebedev Physical Institute of the Russian Academy of Sciences, Samara, Russia
Published: November 2024

In the course of our study, we obtained a solution to the boundary value problem for a linear evolutionary equation describing the dynamics of the velocity perturbation in slow MA and entropy waves in coronal loops in the framework of the infinitely strong magnetic field approximation, taking into account dissipation and dispersion due to thermal conduction. It is shown that the evolution of the compression perturbation in the solar corona can be largely determined not only by the contribution of slow MA waves but also of entropy waves.
EXPERIMENTAL EVALUATION OF BAROMETRIC EFFECT OF THE NEUTRON COMPONENT OF COSMIC RAYS ACCORDING TO THE TASHKENT AND ALMA-ATA DETECTORS
Authors:   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radiowave Propagation of the Russian Academy of Sciences, Moscow, Troitsk, Russia, Kobelev P.G. , Hamraev Y.B. ,   Uzbek-Finnish Pedagogical Institute, Yanke V.G. ,   Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radiowave Propagation of the Russian Academy of Sciences, Moscow, Troitsk, Russia
Published: November 2024

The purpose of this work is to assess the barometric effect of the neutron component of cosmic rays for the low-latitude stations Tashkent and Alma-Ata, including periods of maximum solar activity. The developed technique is applicable for processing data from any detectors of the World Network of Neutron Supermonitors. As a result, the average annual barometric coefficients of the neutron component at the Tashkent and Alma-Ata stations were obtained.
COMPARATIVE ANALYSIS OF TWO WEAK GLEs IN MAY AND AUGUST 1998 BY SPECTROGRAPHIC GLOBAL SURVEY METHOD
Authors:   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Kovalev I.I. , Kravtsova M.V. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Olemskoy S.V. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Sdobnov V.E. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

Using a spectrographic global survey method, we carried out an analysis of two weak ground-level enhancements of cosmic rays: May 2 (GLE56) and August 24 (GLE58). We used data from the worldwide network of neutron monitors (time definition of 5 minutes) and data from GOES 9 and 10 spacecraft. Differential rigidity spectra of solar cosmic rays were obtained, and the maximum rigidities of particle acceleration in these events were determined. We confirmed that the maximum rigidity of accelerated particles for both GLEs is below ~2–3 GV. We also demonstrate spatial distributions of 2-GV primary particles. Bidirectional anisotropy has been found, which gives evidence of the Earth’s presence in a loop-like structure of the interplanetary magnetic field.
DECAYLESS OSCILLATIONS OF SOLAR CORONAL LOOPS AS POSSIBLE PRECURSORS OF FLARES
Authors:   Space Research Institute RAS, Moscow, Russia, Nechaeva A.B. , Zimovets I.V. ,   Space Research Institute RAS, Moscow, Russia, Sharykin I.N. ,   Space Research Institute RAS, Moscow, Russia, Anfinogentov S.A. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

A solar flare is a sudden, rapid and strong magnetic-energetic release characterised by an increase in the brightness of the broad-spectrum radiation observed near sunspots. The study of solar flares and their precursors is an important task both for understanding the process of energy storage and release in flare regions itself and for flare prediction. In this work, we consider the decayless oscillations of solar coronal loops as one of the precursors of flares, and their relation to the XRS/GOES flux and the integrated emission of active regions in different UV channels of AIA/SDO. In contrast to damping kink oscillations excited by impulsive dynamical processes, this type of transverse oscillation does not appear to be associated with any external impulsive forcing, such as a flare or coronal mass ejection, and does not show significant damping. Moreover, the amplitude of these decayless oscillations is typically lower than that of the damping kink oscillations, so additional image processing techniques are needed to detect them. Coronal loops can be considered as proxies of magnetic field lines in active regions of the Sun. Thus, decayless oscillations exist independently of the dynamical triggers, and changes in their behaviour can be considered in the context of pre-explosion activity to rearrange the magnetic configuration of the active region. We present the results of a preliminary analysis of decayless loop oscillations in several active regions and their relation to variations in the X-ray flux before flares.
CREATING CATALOG OF SOLAR FLARES OBSERVED BY THE SIBERIAN RADIOHELIOGRAPH: FIRST RESULTS
Authors:   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia, Rozhkova D.V. , Kashapova L.K. ,   Institute of Solar-Terrestrial Physics SB RAS, Irkutsk, Russia
Published: November 2024

We present the first results of creating a catalog of solar flares observed by the Siberian Radioheliograph (SRH). We proposed a technique based on analysis of the intensity of microwave emission variations over time to reveal potential solar flares. The technique was tested on the time profiles of soft X-ray emission obtained by the GOES spacecraft, and applied for detection of solar flares observed by the SRH within the 3–24 GHz range in July 2023. Our method was successful in detecting both powerful and weak flares. We showed examples of the event which were identified, and discussed ways of the method improving.
KINETIC MODELING OF NON-THERMAL ATMOSPHERIC LOSSES FOR EXOPLANET π Men c FORCED BY THE HOST STAR
Authors:   Institute of Astronomy of the Russian Academy of Sciences, Moscow, Russia, Avtaeva A.A. , Shematovich V.I. ,   Institute of Astronomy of the Russian Academy of Sciences, Moscow, Russia
Published: November 2024

This paper presents a kinetic modeling of the non-thermal losses of the upper atmosphere of the exoplanet π Man c under the action of the host star. Firstly, the effect of dissociation of molecular hydrogen in the processes of exothermic photochemistry under the action of hard UV radiation from the parent star and the formation of an additional non-thermal flux of escaping matter from the atmosphere were considered in detail. Secondly, the influence of high-energy protons of the stellar wind on the heating of the upper atmosphere of the exoplanet was studied.
INFLUENCE OF CHANNEL MODEL PARAMETERS ON THE CHARACTERISTICS OF THE PCM SIGNAL FOR IONOSPHERIC HF RADIO LINKS
Authors:   Volga State University of Technology, Yoshkar-Ola, Russia, Ryabova N.V. , Elsukov A.A. ,   Volga State University of Technology, Yoshkar-Ola, Russia, Stankevich S.S. ,   Volga State University of Technology, Yoshkar-Ola, Russia
Published: November 2024

An algorithm for estimating the influence of channel model parameters on the characteristics of a complex signal with phase-code manipulation for ionospheric SW radio lines was developed and implemented in hardware and software. The simulation of the radio channel was carried out using the Watterson model on the device of the VIRD.464971.001 RE simulator. Algorithms implemented in the GNU Radio software environment have been created to synthesize the emitted signal and process the received signal. Estimates of distortions of the characteristics of a complex signal are obtained using the example of phase CM depending on the parameters of the Watterson channel model.
Tác động của chính sách tiền tệ đến rủi ro tín dụng: Trường hợp các ngân hàng thương mại Việt Nam
Authors: Lê Duy Khánh
Published: November 2024

Nghiên cứu này đánh giá tác động của chính sách tiền tệ (CSTT) đến rủi ro tín dụng (RRTD) của các ngân hàng thương mại Việt Nam (NHTM) giai đoạn 2009–2022. Sử dụng mức lãi suất tái cấp vốn đại diện cho CSTT và tỷ lệ nợ xấu đại diện cho RRTD, ước lượng hồi quy FGLS cho thấy rằng mức lãi suất tái cấp vốn có tác động cùng chiều đến RRTD của các NHTM. Như vậy, khi Ngân hàng Nhà nước Việt Nam (NHNN) tăng lãi suất tái cấp vốn có thể khiến cho tỷ lệ nợ xấu ở các NHTM tăng lên. Kết quả này yêu cầu các NHTM phải nâng cao công tác dự báo để phản ứng một cách phù hợp với các hành động chính sách của NHNN. Bên cạnh đó, NHNN cũng cần có sự thận trọng trong những quyết định điều chỉnh lãi suất điều hành của mình, bởi có thể tác động đến tỷ lệ nợ xấu và qua đó ảnh hưởng đến sự ổn định của hệ thống ngân hàng.
Ảnh hưởng của tâm lý đám đông đến hành vi mua hàng trực tuyến của người tiêu dùng
Authors: Hoàng Đinh Thảo Vy
Published: November 2024

Với sự phát triển bùng nổ của mạng xã hội và thương mại điện tử, hiện tượng tâm lý đám đông (TLĐĐ) đã có tác động đáng kể đến hành vi mua sắm trực tuyến của người tiêu dùng. Do vậy, nghiên cứu này được thực hiện nhằm xác định mức độ tác động của các yếu tố ảnh hưởng đến hành vi mua trực tuyến của người tiêu dùng tại Việt Nam bao gồm thái độ và TLĐĐ, cùng với vai trò điều tiết của đánh giá khách hàng khác với mối quan hệ giữa thái độ và TLĐĐ. Dựa trên 248 phiếu trả lời hợp lệ, kết quả phân tích PLS-SEM cho thấy TLĐĐ tác động mạnh mẽ đến hành vi mua trực tuyến của người tiêu dùng. Đặc biệt là có sự điều tiết đánh giá của khách hàng khác trong mối quan hệ giữa thái độ và TLĐĐ. Từ kết quả nghiên cứu, tác giả đề xuất các hàm ý nhằm giúp các nhà quản trị có thể tham khảo để thúc đẩy hành vi mua trực tuyến của người tiêu dùng tại TP.HCM.
Tác động của chi tiêu chính phủ đến tăng trưởng kinh tế tại Việt Nam: Tuyến tính hay phi tuyến tính?
Authors: Nguyễn Thị Ngọc Nga
Published: November 2024

Mối quan hệ giữa quyền lực tài khóa và tăng trưởng của một nền kinh tế có một ý nghĩa quan trọng từ cả góc nhìn lý thuyết cũng như thực nghiệm. Những kết quả thực nghiệm từ các mô hình thống kê tần suất trước đây không nhất quán. Bài viết này nhằm khám phá cả mối quan hệ tuyến tính và phi tuyến giữa chi tiêu chính phủ (CTCP) và tăng trưởng của nền kinh tế Việt Nam sử dụng một bộ dữ liệu chuỗi thời gian cho giai đoạn 1986-2019. Bằng việc thực hiện hồi quy hiệu ứng hỗn hợp Bayesian, nghiên cứu khám phá một mối quan hệ tuyến tính giữa hai yếu tố này. Kết quả nghiên cứu sẽ là một nền tảng thực nghiệm vững chắc và tin cậy cho việc ra quyết định trong chính sách tài khóa hướng đến tăng trưởng kinh tế bền vững tại Việt Nam.
СОКРАТИЧЕСКОЕ НАЧАЛО КАК СПОСОБ ОБОЗНАЧЕНИЯ ДИСТАНЦИИ МЕЖДУ АВТОРОМ И ГЕРОЕМ В ПРОИЗВЕДЕНИЯХ А.П. ЧЕХОВА («ПАЛАТА № 6», «ЧАЙКА»)
Authors: С.А. Комаров , Н.С. Шукст
Published: November 2024

В статье фиксируются основания включения героев-врачей в мифопоэтическую систему чеховских текстов, формы конструирования автор-ского врачебного мифа. Осуществляется исследование способов обозначения дистанции между автором и героем в творчестве Чехова 1890–1900-х годов при изображении врача как персонажа. В качестве одного из таких способов рас-сматривается закрепление за доктором роли носителя сократического начала через включение элементов неомифологии Ницше, встраиваемых в поздние че-ховские произведения. В статье делается вывод: возникновение устойчивой свя-зи героя-врача с сократическим началом приводит к ограничению стратегий развития и поведения персонажа, таким образом сужая кругозор доктора у Че-хова и отдаляя его от роли «выразителя авторской позиции», фиксируемой не-которыми учеными. Исследование осуществляется на материале комедии «Чай-ка» и повести «Палата № 6», ранее не рассматривавшейся через призму наличия в ней ницщевских знаков.

The article fixes the grounds for the inclusion of doctor-heroes in the mythopoetic system of Chekhov's texts and the forms of constructing the author's doc-tor myth. The article studies the ways of marking the distance between the author and the hero in Chekhov's works of the 1890s-1900s when portraying the doctor as a char-acter. As one of such ways, the author considers the doctor's assignment of the role of a Socratic carrier through the inclusion of elements of Nietzschean neo-mythology em-bedded in Chekhov's later works. The article concludes: the emergence of a stable con-nection between the hero-doctor and the Socratic beginning leads to the restriction of the character's development strategies and behavior, thus narrowing the doctor's horizons in Chekhov and distancing him from the role of «an exponent of the author's position» fixed by some scholars. The study is carried out on the material of the come-dy “The Seagull” and the story “Ward No. 6”, which has not been previously considered through the prism of the presence of Nietzschean signs in it.
ОБРАЗ-ТОПОС ОМСКОЙ ВЕСНЫ В ПОЭТИЧЕСКОМ СБОРНИКЕ «О ГОРОД МОЙ РОДНОЙ»
Authors: А.В. Подворная
Published: November 2024

В статье предложен анализ мотивно-образного комплекса весны, репрезентированного в антологии омских поэтов «О город мой родной» (2022). Современная омская лирика впервые становится предметом научной рецепции. На примере стихотворных текстов региональных поэтов В. Шеллен-берг, Г. Кудрявской, Т. Четвериковой, Н. Кузнецова, И. Курач анализируется об-раз-топос омской весны. Доказывается, что этот образ включает в себя такие общие компоненты, как ледоход на Иртыше, цветение городской сирени, скуль-птуру Любы (Любови Гасфорд) и Любинский проспект – излюбленное место омичей для пеших прогулок в центральной части города. Отмечается, что поэти-ка весны в антологии окрашена положительной семантикой. Делается вывод, что на формирование «весенних» текстов региональных авторов повлияли как городское пространство и природно-климатические особенности Сибири, так и русская поэтическая традиция.

The article suggests the analysis of the motif-figurative complex of spring, represented by Omsk poets in the anthology by Omsk poets “Oh My Hometown” (2022). This study is the first attempt at scientific research of Modern Omsk lyrics. Using the example of poetic texts by regional poets V. Schellenberg, G. Kudryavskaya, T. Chetverikova, N. Kuznetsova, I. Kurach, the image-topos of Omsk spring is analyzed. It is proved that this image includes such common components as an ice drift on the Irtysh, the flowering of urban lilacs, the sculpture of Luba (Lyubov Gasford) and Lyubinsky Prospekt – a favorite place of Omsk residents for walking in the central part of the city. It is noted that the poetics of spring in the anthology is colored by positive semantics. It is concluded that the formation of "spring" texts by regional authors was influenced by both the urban space and the natural and climatic features of Siberia, as well as the Russian poetic tradition.
Implementing and Adopting EHR Systems in Developing Countries
Authors: Danso Kweku Owusu , Asagba Prince Oghenekaro , Yarhere Iroro Enameguolo , Adumattah Patrick , Amoaful Simon
Published: November 2024

This study examines the implementation and adoption of Electronic Health Record (EHR) systems in developing countries, focusing on challenges, strategies, and future directions. A comprehensive literature review and thematic analysis methodology was employed to synthesize findings from various case studies and research papers. The analysis reveals that while EHR systems offer significant potential benefits in improving patient care, enhancing data management, and optimizing resource allocation, developing countries face unique challenges including infrastructure limitations, financial constraints, and resistance to change. Successful implementation strategies include tailoring systems to local contexts, comprehensive training programs, phased implementation approaches, and robust data security measures. Policy implications include the need for national eHealth strategies, investment in infrastructure and capacity building, and establishment of legal frameworks for data protection. The study concludes that despite challenges, EHR implementation in developing countries is feasible with careful planning and sustained effort. This analysis contributes to nursing and midwifery by providing insights into the digital transformation of healthcare systems in resource-constrained settings, potentially informing practice and policy decisions.
SARS-CoV-2 exposed : cell cycle disruption and CRISPR-Cas knockdown degree
Authors: Andersson Klara
Published: November 2024

Coronaviruses showed their capacity to spread to pandemic levels during the COVID-19 pandemic. Their ability to rapidly spread and to cause severe disease has made them a significant threat to global public health. Novel antiviral treatments with broad-spectrum activity and a persistent effect is of great need, both for reemerging outbreaks of SARS-CoV-2 and for preparedness of new, emerging viruses.

In Paper I, we explore an RNA-targeting CRISPR-Cas13b system that targets viral genomic material, in this case SARS-CoV-2 RNA. Antiviral programmed CRISPR- Cas systems have previously shown to be effective against several viruses, while also exhibiting a robustness to viral mutations. In this paper we show that CRISPR- Cas13b can target and degrade SARS-CoV-2 and that targeting the non-structural protein NSP12 leads to the largest decrease in viral RNA. We also show that CRISPR-Cas13b designed to target SARS-CoV-2 have an effect against SARS-CoV, pointing at a broad-spectrum effect.

In Paper II, we explore how SARS-CoV-2 infection benefits from a host cell cycle arrest. It has previously been shown that SARS-CoV-2 infection drives a host cell cycle arrest, and we could confirm that by inducing a cell cycle arrest independent of p53, but dependent on the CDC25A/CDK2/cyclin E pathway SARS-CoV-2 infection is increased. This work provides important insights into SARS-CoV-2 pathogenesis and possible antiviral targets.

Overall, this thesis aims to shed light on broad-spectrum antiviral design, SARS- CoV-2 pathogenesis, potential therapeutic targets and host-virus interactions.
List of scientific papers
I. Andersson K, Azatyan A, Ekenberg M, Güçlüer G, Sardon Puig L, Pramer T, Puumalainen M, Monteil V, Mirazimi A. A CRISPR-Cas13b system degrades SARS-CoV and SARS-CoV-2 RNA in vitro. Viruses 2024;16(10):1539. https://doi.org/10.3390/v16101539

II. Husser C, Kwon H, Andersson K, Appelberg S, Montserrat N, Mirazimi A, Monteil VM. P53-Independent G1-Cell Cycle Arrest Increases SARS-CoV-2 RNA Replication. Microorganisms. 2024 Feb 22;12(3):443. https://doi.org/10.3390/microorganisms12030443
TRANSPARÊNCIA E PUBLICIDADE NOS PROCEDIMENTOS ARBITRAIS: CONFIDENCIALIDADE VERSUS INTERESSE PÚBLICO
Authors:   Vera Monica Queiroz Fernandes Aguiar, Villar Austerlitz Abiorana , Mariobo Dan Benjamim de Souza
Published: November 2024

The article discusses transparency and publicity in arbitration proceedings, addressing the conflict between confidentiality and public interest, particularly in cases involving public administration. The research analyzed the Brazilian legal framework and found that, although confidentiality is a core principle in arbitration, there is a growing need for greater transparency, especially in public disputes. To address this tension, the Arbitral Transparency Index (ITA) was proposed, a model that categorizes the level of transparency based on the specifics of each case. The study concludes that confidentiality and transparency can be reconciled, provided that proper normative and practical adjustments are made.
CARCINOMA DE CÉLULAS ESCAMOSAS EM FELINOS: RELATO DE CASO.
Authors: Domingues Bianca , Prado Camila C. do , Santana Michelle S. S. , Santos Nicolli P. F. dos
Published: November 2024

O carcinoma de células escamosas (CCE) trata-se de um câncer maligno, com sua origem no estrato espinhoso da pele, sendo mais frequente em felinos, principalmente em áreas mais expostas a luz solar. É mais comum em felinos idosos, mas há a possibilidade de ocorrer em animais jovens ou imunossuprimidos. O CCE se manifesta principalmente em áreas de cicatrização mais lenta, como nariz, pálpebras e orelhas, e pode ser facilmente confundido com dermatite ulcerativa crônica. O diagnóstico se dá através de biópsia e histopatológico. A citologia por agulha fina pode ser uma alternativa menos invasiva, porém, quando há muita inflamação na região, o diagnóstico pode não ser fidedigno. Pode se avaliar a extensão da lesão e metástases através de exames de imagem como radiografia e ultrassonografia. O tratamento pode incluir cirurgia, criocirurgia, radiação e quimioterapia. A remoção cirúrgica geralmente é o tratamento mais eficaz. Quando a remoção cirurgia não é viável, seja por aceitabilidade do tutor, financeiro ou falta de margens, há a opção de tratamentos paliativos, utilizando uma boa analgesia, somada a um manejo e suporte nutricional adequado. O prognóstico para CCE é geralmente reservado com sobrevida média, variando de meses a 1 ano. O objetivo deste trabalho é apresentar e explicar sobre o carcinoma de células escamosas, utilizando um relato de caso para comparar a conduta clínica como o que é preconizado com a literatura sobre esta doença. O relato de caso descrito envolveu uma felina com CCE oral, onde o tutor optou pelo tratamento paliativo devido a questões estéticas e financeiras, apesar de ter sido recomendado pelo médico veterinário a remoção cirúrgica por completo. Conclui-se que o diagnóstico precoce está ligado diretamente ao prognostico do paciente e um tratamento adequado pode garantir saúde e bem-estar ao animal. Contudo, a escolha por tratamento paliativo como optado no caso, mostra os desafios enfrentados pelos Médicos Veterinários que são as limitações financeiras e questões relacionadas a estética.
Integrating Geography Education and Sustainable Tourism: A SWOT-Based Approach at Galesong Beach, Indonesia
Authors: Syamsunardi  , Syarif Erman , Nyompa Sukri , Kajornsin Boonreang , Ikhwana Nur
Published: November 2024

Enhancing the quality of education can be achieved by incorporating This study aims to be able to find out the potential contained in galesong beach beach tourism objects and the strategy of developing galesong beach attractions in Tamalate Village, North Galesong District, Takalar Regency. This type of research is mixed methods research, meaning research that can produce descriptive and statistical data both in written and oral form. The subjects of the study, the owners and managers of galesong beach tourism, the local community and the visitors. The data analysis involves SWOT analysis, which is used to assess both the internal strengths and weaknesses and the external opportunities and threats related to the development of Galesong Beach as a tourist destination. Data analysis techniques use SWOT analysis. The results indicate that Galesong Beach has a ‘worth visiting’ rating, with an evaluation score of 76.25%. This high score is attributed to the supporting elements of the destination, such as adequate accommodation, accessibility, facilities, and infrastructure, all of which enhance its attractiveness to tourists. The SWOT analysis places the Galesong Beach development strategy in Quadrant I, suggesting a Rapid Growth Strategy. This positioning indicates that Galesong Beach should focus on strategies to accelerate visitor growth, leveraging its strengths to capitalize on opportunities for rapid expansion. That is, Galesong Beach attractions are in a strategy to increase the growth rate of tourist visitors by using faster time.
The Role of Islamic Boarding Schools as Educational Institutions for Forming the Character of Students
Authors: Siswanto Heru , Muhammad Aliyu Dahiru
Published: November 2024

Islamic boarding schools are Islamic educational institutions that provide teaching, education, and example every second, minute, and hour from a kyai to its students. Education in Islamic boarding schools aims to forge students into independent individuals and develop a spirit of togetherness, which includes an attitude of mutual assistance, solidarity, and brotherhood among fellow students. In terms of individual character development, Islamic boarding schools teach a frugal attitude and simple living that is far from consumerism. The role of Islamic boarding schools in Indonesia is not only as educational institutions but also as religious institutions which are the basis for the process of forming the character of the people. In Islamic boarding schools, the basics of science are taught to shape the character of the people, because having good character is an obligation that students must have when they enter society. As a da'wah mission in the form of providing an example. Thus, Islamic boarding schools as Islamic educational institutions have great potential for the formation of human resources and the potential for realizing the nation's intelligence prosperity, and good character. There is quite a bit of da'wah that can be done through Islamic boarding schools, both da'wah which conveys Islamic teachings, as well as da'wah about life and of course for the formation of the character of the people.
Analysis of Microfinancing in the Development of MSME Customers
Authors: Bella Yolanda Chintya , Dwiaryanti Risca , Hasanah Lailatul
Published: November 2024

The development of micro, small, and medium enterprises (MSMEs) is crucial for contributing to national economic growth. By fostering business development, MSMEs play a significant role in reducing unemployment and increasing employment and business opportunities. In this context, Bank Syariah Indonesia (BSI) serves as an institution that prioritizes community service and economic support. One of the essential functions of Sharia microfinancing is to provide capital to customers, enabling them to enhance existing businesses or establish new ventures. This research aims to investigate the impact of microfinancing on customer development at BSI, specifically examining aspects such as financial stability and business growth. This study employs a qualitative descriptive methodology, utilizing field research that gathers primary and secondary data. Data collection techniques include interviews and document analysis. Findings from this research will provide valuable insights into the effectiveness of Sharia microfinancing in supporting MSMEs and enhancing community economic development.