Frequency Dependence of the Relation Between Repetition Rate and Burst Flux in Solar Radio Pulsations

Details Frequency Dependence of the Relation Between Repetition Rate and Burst Flux in Solar Radio Pulsations Frequency Dependence of the Relation Between Repetition Rate and Burst Flux in Solar Radio Pulsations

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010soph..264..345h&link_type=abstract

Solar Physics, Volume 264, Issue 2, pp.345-351

Physics

The Sun: Radio Radiation, The Sun: Corona

Scientific paper

The frequency dependence of the quasi-quantized energy release is reported for the first time in 14 bursts with pulsations of seconds at 1.0, 2.0, 3.75, 9.4, 17, and 35 GHz, observed by the Nobeyama Radio Polarimeters (NoRP). There is a linear correlation between the repetition rate of pulsations and the radio flux during the burst, the so-called R - S relation, at each burst frequency. The slope in the linear fitting, which is equivalent to the energy release in an individual pulse, becomes maximum at a particular frequency around 10 GHz, which can be explained by electrons accelerated in solar flares with maximum energy density around this frequency or coronal height.

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