A matter of class and flare Flare productivity in solar active regions and power-law constraints on the flare frequency distribution

arXiv:2608.04537 · astro-ph.SR · Submitted 2026-08-05 · Read on arXiv

A. G. M. Pietrow

astro-ph.SR

Submitted: 2026-08-05

Comments: Accepted in A&A, 7 pages, 6 figures

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

Terminology

• Active Regions — 17× in this paper · explained in 1 episode
• Calibration — 4× in this paper · explained in 7 episodes
• Solar Region Summaries — 3× in this paper
• Space Weather Prediction Center — 2× in this paper
• alpha — 2× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• Empirical flare energy limits for the largest historical sunspots

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