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Helioseismic Properties of Dynamo Waves in the Variation of Solar Differential Rotation
Krishnendu Mandal, Alexander G. Kosovichev, Valery V. Pipin
Solar differential rotation exhibits a prominent feature: its cyclic variations over the solar cycle, referred to as zonal flows or torsional oscillations, are observed throughout…
Predicting the Emergence of Solar Active Regions Using Machine Learning
Spiridon Kasapis, Irina N. Kitiashvili, Alexander G. Kosovichev +2
To create early warning capabilities for upcoming Space Weather disturbances, we have selected a dataset of 61 emerging active regions, which allows us to identify characteristic f…
Subsurface Flows Associated with Formation and Flaring Activity of Solar Active Regions
Alexander G. Kosovichev, Viacheslav M. Sadykov
We investigate the evolution of subsurface flows during the emergence and the active phase of sunspot regions using the time-distance helioseismology analysis of the full-disk Dopp…
Time Series of Magnetic Field Parameters of Merged MDI and HMI Space-Weather Active Region Patches as Potential Tool for Solar Flare Forecasting
Paul A. Kosovich, Alexander G. Kosovichev, Viacheslav M. Sadykov +8
Solar flare prediction studies have been recently conducted with the use of Space-Weather MDI (Michelson Doppler Imager onboard Solar and Heliospheric Observatory) Active Region Pa…