Physics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agusmsp31a..05s&link_type=abstract
American Geophysical Union, Spring Meeting 2005, abstract #SP31A-05
Physics
7524 Magnetic Fields, 7529 Photosphere, 7594 Instruments And Techniques
Scientific paper
A statistically robust technique for determining motion perpendicular to the line of sight from a sequence of solar magnetograms is required for understanding the physics of active regions and related phenomena. However, Local Correlation Tracking (LCT), the de-facto standard for estimating motion in solar image sequences, is inconsistent with the magnetic induction equation and mathematically inappropriate for tracking magnetic elements. A new technique is presented that incorporates the magnetic induction equation directly into the analysis. This method represents a generalization of established wavelet interferometric techniques, developed for the analysis of turbulence in space-craft data, to the multi-point data represented by magnetograms. Work Supported by ONR.
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