Studies on some aspects of enhanced solar microwave radiation

Das Gupta, M. K. ; S. K., Sarkar (1973) Studies on some aspects of enhanced solar microwave radiation Indian Journal of Radio & Space Physics, 2 . pp. 196-198. ISSN 0367-8393

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Data on disturbed sun emission at different microwave frequencies observed at Sagamore Hill Solar Radio Observatory for a period of about 4 years have been examined in relation to their occurrences, peak flux values, energy excesses and spectral distributions. Important results obtained from the statistical analyses are: (1) spectrum of the average S-component shows a maximum at 4,995 MHz and is independent of the phase of the 27-day cycle, (2) occurrences of both the 'simple' bursts ('simple impulsive' and 'gradual rise and fall') are maximum at 4,995 MHz, and (3) spectra of majority of the 'inverted U' type of microwave bursts have the peak at 4,995 MHz. The analysis suggests that for the study of solar terrestrial phenomena the solar flux observation at 4,995 MHz would serve as a better index instead of at 2,800 MHz assumed till now to be a reliable index.

Item Type:Article
Source:Copyright of this article belongs to National Institute of Science Communication and Information Resources.
Keywords:Microwave Emission; Radiant Flux Density; Solar Radio Bursts; Twenty-seven Day Variation; Periodic Variations; Solar Flux Density; Solar Radio Emission; Solar Spectra
ID Code:8915
Deposited On:28 Oct 2010 10:34
Last Modified:28 May 2011 09:52

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