Probing the Sun's Near Surface Shear Layer using HMI Spherical Harmonic Coefficients

Sushanta C. Tripathy, Kiran Jain, Shukurijon Kholikov +1

We have measured zonal and meridional components of subsurface flows up to a depth of 30 Mm below the solar surface by applying the technique of ring diagram on Dopplergrams which…