IMPROVED PREDICTIONS OF ELECTRIC FIELD STRENGTHS AND VOLUME EMISSIVITIES IN SECOND HARMONIC TYPE III SOLAR RADIO EMISSION

Previous comparisons between predicted and observed electric field strengths and volume emissivities in second harmonic type III solar radio emission are improved in two ways. First, the assumption of the head-on approximation in deriving the harmonic emission rate, which is not applicable over the...

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Bibliographic Details
Published in:Solar physics 1997-02, Vol.170 (2), p.341-356
Main Authors: Willes, A J, Robinson, P A
Format: Article
Language:English
Subjects:
Approximation
Electric field strength
Electric fields
Emissions
Emissivity
Harmonics
Langmuir waves
Mathematical analysis
Solar physics
Solar radio emission
Spectra
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Summary:Previous comparisons between predicted and observed electric field strengths and volume emissivities in second harmonic type III solar radio emission are improved in two ways. First, the assumption of the head-on approximation in deriving the harmonic emission rate, which is not applicable over the full range of observed type III parameters, is replaced with a more suitable approximation. Secondly, a more realistic functional form for the Langmuir wave spectra is adopted. The revised predicted electric field strengths and volume emissivities are consistent with the observed values.
ISSN:0038-0938
1573-093X
DOI:10.1023/A:1004919319132