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Large Photospheric Doppler Shift in Solar Active Region 12673: I. Field-Aligned Flows
Jiayi Liu, Xudong Sun, Peter W. Schuck +3
Delta () sunspots sometimes host fast photospheric flows along the central magnetic polarity inversion line (PIL). Here we study the strong Doppler shift signature in the centra…
Limitations and biases in the retrieval of the polar magnetic field I: the role of the magnetic filling factor in Milne-Eddington inversions of simulated Hinode/SP data
Rebecca Centeno, Ivan Milić, Matthias Rempel +2
We study the extent to which Milne-Eddington inversions are able to retrieve and characterize the magnetic landscape of the solar poles from observations by the spectropolarimeter…
Removal Of Active Region Inflows Reveals a Weak Solar Cycle Scale Trend In Near-surface Meridional Flow
Sushant S. Mahajan, Xudong Sun, Junwei Zhao
Using time-distance local helioseismology flow maps within 1 Mm of the solar photosphere, we detect inflows toward activity belts that contribute to solar cycle scale variations in…