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The dependence of solar hard X-ray burst intensity on magnetic field strength

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Abstract

The measurements of peak intensities of hard X-ray bursts from hot flare plasma electrons as a function of peak frequency of associated microwave radio bursts are discussed. The latter is proportional to the magnetic field strength. The results suggest that the flare hard X-rays are emitted when the electron plasma frequency is comparable to the electron gyrofrequency. Thus, the hard X-ray peak intensity varies as B 4.2, where B is the magnetic field strength.

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Authors and Affiliations

  1. Space Environment Laboratory, R/E/SE, National Oceanic and Atmospheric Administration, 325 Broadway, 80303, Boulder, CO, U.S.A.

    Stephen Pintér

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  1. Stephen Pintér
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On leave from the Geophysical Institute, Slovak Academy of Sciences, 947 01 Hurbanovo, Czechoslovakia.

Deceased 22 July, 1986.

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Pintér, S. The dependence of solar hard X-ray burst intensity on magnetic field strength. Sol Phys 106, 411–413 (1986). https://doi.org/10.1007/BF00158506

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  • DOI: https://doi.org/10.1007/BF00158506

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