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Quantitative comparisons of type III radio burst intensity and fast electron flux at 1 AU

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Abstract

We compare the flux of fast solar electrons and the intensity of the type III radio emission generated by these particles at 1 AU. We find that there are two regimes in the generation of type III radiation: one where the radio intensity is linearly proportional to the electron flux, and the second regime, which occurs above a threshold electron flux, where the radio intensity is proportional to the ∼2.4 power of the electron flux. This threshold appears to reflect a transition to a different emission mechanism.

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Authors and Affiliations

  1. Radio Astronomy Branch, Goddard Space Flight Center, Greenbelt, Md., U.S.A.

    R. J. Fitzenreiter

  2. System Sciences Division, Computer Sciences Corporation, Silver Spring, Md., U.S.A.

    L. G. Evans

  3. Space Sciences Laboratory, University of California, Berkeley, Calif., U.S.A.

    R. P. Lin

Authors
  1. R. J. Fitzenreiter
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  2. L. G. Evans
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  3. R. P. Lin
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Fitzenreiter, R.J., Evans, L.G. & Lin, R.P. Quantitative comparisons of type III radio burst intensity and fast electron flux at 1 AU. Sol Phys 46, 437–446 (1976). https://doi.org/10.1007/BF00149865

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  • DOI: https://doi.org/10.1007/BF00149865

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