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Study of Active Regions Based on Multiperiod GaAsN/InAs Superlattice
AbstractThe results of a study of nitrogen-containing active regions based on superlattices grown on GaAs substrates are presented. Active regions...
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A model for heating the super-hot corona in solar active regions
What physical mechanisms heat the outer solar or stellar atmosphere to million-kelvin temperatures is a fundamental but long-standing open question....
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Magnetic Configuration of Active Regions Associated with GLE Events
Charged particles, generated in solar flares, sometimes can attain extremely high energy, above the 500-MeV level, and produce abrupt ground-level...
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Heterogeneous outgassing regions identified on active centaur 29P/Schwassmann–Wachmann 1
Centaurs are transitional objects between primitive trans-Neptunian objects and Jupiter-family comets. Their compositions and activities provide...
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Correlation Functions of Photospheric Magnetic Fields in Solar Active Regions
We used magnetograms acquired with the Helioseismic and Magnetic Imager (HMI) on board the Solar Dynamics Observatory (SDO) to calculate and analyze...
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Sunspot Rotation in High- and Low-Flaring Active Regions
Sunspot rotations are closely linked with flaring activity. They are thought to contribute to the accumulation of helicity in magnetic flux tubes and...
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Average Subsurface Flows of Active and Quiet Regions with Large-Tile Ring-Diagram Analysis
We study large-scale subsurface flows associated with locations of high and low magnetic activity in the near-surface shear layer (NSSL). The flows...
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Modeling Global Magnetic-Flux Emergence in Bipolar Solar-Active Regions
Active regions (ARs) appear in the solar atmosphere as a consequence of the emergence of magnetic-flux ropes (FR). In this study, we use Bayesian...
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Development of solar east limb active regions occurrence detection system based on EUV intensity observations
Active regions on the surface of the Sun are potential sources of solar flares. These include active regions that are not directly facing Earth, such...
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Solar X-Band Imaging with the Arecibo 12-m Telescope: The Brightness Temperature and Magnetic Field of Active Regions
Solar radio observations provide a powerful diagnostic of the physical conditions of the solar atmosphere over a wide range of heights. In this...
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The Temperature Dependence of Hot Prograde Flows in Solar Active Regions
Using simultaneous observations from the EUV Variability Experiment (EVE) and imaging from the Atmospheric Imaging Assembly (AIA), we characterise...
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Heterostructures of Quantum-Cascade Lasers Based on Composite Active Regions
AbstractThe In 0.37 Al 0.63 As/In 0.65 Ga 0.35 As/In 0.53 Ga 0.47 As quantum-cascade lasers for 7–8 μm spectral range have been fabricated and studied. The use...
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Type IV Radio Bursts and Associated Active Regions in Sunspot Cycle 24
We study the association of solar Type IV radio bursts with the location of active regions on the Sun during Solar Cycle 24. The active regions...
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Association of solar flares with magnetic complexity of the sunspot groups in solar active regions during solar cycles 23–25
The present study aims to investigate the association of X-ray solar flares with the magnetic complexity of sunspot groups in active regions for the...
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Properties of Type-II Radio Bursts in Relation to Magnetic Complexity of the Solar Active Regions
Type-II radio bursts are believed to occur as a result of the shock driven by flares or coronal mass ejections (CMEs). While the shock waves are...
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Large-Scale Electric Currents in Coronal Heating Processes above Active Regions on the Sun
This paper poses the problem of studying the role of large-scale electric currents propagating in the upper layers of the solar atmosphere in...
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Super-Resolution of SOHO/MDI Magnetograms of Solar Active Regions Using SDO/HMI Data and an Attention-Aided Convolutional Neural Network
Image super-resolution is an important subject in image processing and recognition. Here, we present an attention-aided convolutional neural network...
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Spatial Magnetic Configurations of Solar Active Regions and Eruptions
The study on the spatial structure and properties of the solar magnetic field is an important aspect of solar physics, and it is also a necessary...
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Transverse Gradients of Longitudinal Magnetic Field in Active Regions with Different Levels of Flare Productivity. II. Statistical Analysis
Here, we performed a statistical analysis of the parameters describing the transverse component of the longitudinal magnetic field gradient (∇ ⊥
B z ... -
Transverse Gradients of Longitudinal Magnetic Field in Active Regions with Different Levels of Flare Productivity. I. Calculation Methods and Dynamics of Selected Parameters
This paper is a study of the dynamics of the parameters describing the transverse component of the gradient of the longitudinal magnetic field ∇ ⊥ B z ...