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

arXiv:2607.16939 · astro-ph.SR · Submitted 2026-07-18 · Read on arXiv

Soumyadeep Chatterjee, Gopal Hazra

astro-ph.SR

Submitted: 2026-07-18

Comments: 13 pages, 6 figures. Submitted to ApJ. Comments are welcome

Code: https://github.com/predsci/hipft

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Active Regions — 20× in this paper · explained in 1 episode
• Surface Flux Transport — 5× in this paper
• Data Assimilation — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Cooperation — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Helioseismic and Magnetic Imager — 1× in this paper
• Wilcox Solar Observatory — 1× in this paper

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