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Exploring the reliability of polar field rise rate as a precursor for an early prediction of solar cycle
Akash Biswas, Bidya Binay Karak, Pawan Kumar
The prediction of the strength of an upcoming solar cycle has been a long-standing challenge in the field of solar physics. The inherent stochastic nature of the underlying solar d…
Probing the variations in the timing of the Sun's polar magnetic field reversals through observations and surface flux transport simulations
Elena M. Golubeva, Akash Biswas, Anna I. Khlystova +2
The polar field reversal is a crucial process in the cyclic evolution of the large-scale magnetic field of the Sun.Various important characteristics of a solar cycle, such as its d…
Models for the long-term variations of solar activity
Bidya Binay Karak
One obvious feature of the solar cycle is its variation from one cycle to another. In this article, we review the dynamo models for the long-term variations of the solar cycle. By…
Dynamo modelling for cycle variability and occurrence of grand minima in Sun-like stars: Rotation rate dependence
Vindya Vashishth, Bidya Binay Karak, Leonid Kitchatinov
Like the solar cycle, stellar activity cycles are also irregular. Observations reveal that rapidly rotating (young) Sun-like stars exhibit a high level of activity with no Maunder-…
AutoTAB: Automatic Tracking Algorithm for Bipolar Magnetic Regions
Anu Sreedevi, Bibhuti Kumar Jha, Bidya Binay Karak +1
Bipolar Magnetic Regions (BMRs) provide crucial information about solar magnetism. They exhibit varying morphology and magnetic properties throughout their lifetime, and studying t…
Long-term modulation of solar cycles
Akash Biswas, Bidya Karak, Ilya Usoskin +1
Solar activity has a cyclic nature with the ~11-year Schwabe cycle dominating its variability on the interannual timescale. However, solar cycles are significantly modulated in len…