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arXiv · 1711.08156

Examination of artifact in vector magnetic field SDO/HMI measurements

G. V. Rudenko·I. S. Dmitrienko
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Abstract

In this paper, we came to conclusion that there is a significant systematic error in the SDO/HMI vector magnetic data, which reveals itself in a significant deviation of the lines of the knot magnetic fields from the radial direction. The value of this deviation demonstrates a clear dependence on the distance to the disk center. This paper suggests a method for correction of the vector magnetograms that eliminates the detected systematic error.

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G. V. Rudenko, I. S. Dmitrienko. 2017-11-22. Examination of artifact in vector magnetic field SDO/HMI measurements. https://arxiv.org/abs/1711.08156

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