Analysis of the August 7,1972 white light flare: Changes in the magnetic and velocity fields |
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| Authors: | David M Rust |
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| Institution: | (1) Sacramento Peak Observatory, Air Force Cambridge Research Laboratories, Sunspot, N.M., U.S.A. |
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| Abstract: | Measurements with the Doppler-Zeeman Analyzer reveal red shifts and decreasing magnetic fields in the photosphere immediately below the center of the August 7, 1972 proton flare. These observations are combined with spectra and photographs of sunspot developments in the region to produce a consistent picture of fluctuations in orientation and strength in the fields of three spots intimately connected with the flare. Before the flare, the photosphere appears to experience an upheaval of material frozen into rising lines of magnetic force. After the start of the flare and through the following 4 h, the motion is downward. |
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