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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 2.

Latitude profiles of changes in meridional flow (δUθ, in black) and zonal flow (δUϕ, in pink), averaged over 1 yr around the cycle 24 maximum, for depths 0.99 R (solid) and 0.95 R (dashed) in the top panel. The same in the radial gradient of rotation, ﹩\delta ({\rm{\partial }}\,{\rm{log}}\,{\rm{\Omega }}/{\rm{\partial }}\,{\rm{log}}\,r)﹩, along with the longitudinally averaged unsigned magnetic field (right y-axis), is shown in the lower panel. The error bars shown represent errors estimated in the inversion method (see Section 4.1 for details).

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