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Polar Filaments Capture High-latitude Solar Poloidal Field Interactions and Can Foretell the Future Sunspot Cycle Amplitude before Polar Field Precursors

  • Authors: Srinjana Routh, Shaonwita Pal, Dibyendu Nandy, Subhamoy Chatterjee, Dipankar Banerjee, Mohd. Saleem Khan

Srinjana Routh et al 2025 The Astrophysical Journal Letters 993 .

  • Provider: AAS Journals

Caption: Figure 1.

(Left panel) A representative Meudon hand-drawn synoptic chart after calibration corresponding to the Carrington rotation 1123. (Right panel) A binary segmented image showcasing the extracted filaments, while the polar filaments (∣θ∣ ≥ 50°) are separately identified with a red contour from the same filaments.

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