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astro-ph.SR2026
Constraining the radial decay timescale of solar surface magnetic field through a comparative study of data-assimilative 2D surface flux transport and 3D dynamo models
Soumyadeep Chatterjee, Gopal Hazra
The polar magnetic field is the most reliable precursor for predicting the amplitude of the solar cycle, and the 2D surface flux transport (SFT) model is widely used to reconstruct…
astro-ph.SR2025
Probing the large-scale magnetic field inside the Sun from three decades of observed surface magnetograms
Soumyadeep Chatterjee, Gopal Hazra
Space-weather and disturbances in the heliosphere are manifestations of the solar magnetic field, which is solely driven by the interior dynamo, and constraining the solar interior…