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Interpretable Data-driven Model Reveals Current Helicity Evolution as Key to Solar Flare Forecasting

  • Authors: Youngjae Kim, Yong-jae Moon, Hyun-jin Jeong, G. S. Choe, Jihyeon Son, Mingyu Jeon

Youngjae Kim et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 4.

High correlations for MEAN and VAR terms, computed from all 1744 HARPs in our dataset. 2D histograms with linear fits (red). Left: squared absolute net helicity (﹩{H}_{{c}_{{\rm{abs}}}}^{2}﹩) versus absolute MEAN (r = 0.87). Right: sum of squared current helicity in the largest chunk versus absolute VAR (r = 0.79).

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