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Solar Cycle Variations in Meridional Flows and Rotational Shear within the Sun’s Near-surface Shear Layer

  • Authors: Anisha Sen, S. P. Rajaguru, Abhinav Govindan Iyer, Ruizhu Chen, Junwei Zhao, Shukur Kholikov

Anisha Sen et al 2025 The Astrophysical Journal Letters 984 .

  • Provider: AAS Journals

Caption: Figure 4.

Local time–distance helioseismic inversions for flows around a large active region, NOAA 12192 (S12W08), observed on 2014 October 23. The flows, plotted as arrows here, are averaged over the near-surface depths of 0–3 Mm (≈0.99 R, left panel) and over 13–21 Mm (≈0.97 R, right panel). The background color image is the LOS magnetic field map of the bipolar spot region.

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