Solar soft X-rays and solar activity |
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Authors: | Richard G Teske Roger J Thomas |
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Institution: | (1) Dept. of Astronomy and the McMath-Hulbert Observatory, The University of Michigan, Ann Arbor, Mich., U.S.A. |
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Abstract: | Soft solar X-rays (8 gl 12 Å) were observed from OSO-III. An analysis of the X-ray enhancements associated with 165 solar flares revealed that there is a tendency for a weak soft X-ray enhancement to precede the cm- burst and H flare. The peak soft X-ray flux follows the cm- peak by about 4 min, on the average. Additionally, it was found that flare-rich active centers tend to produce flares which are stronger X-ray and cm- emitters than are flares which take place in flare-poor active centers. |
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