Other
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ineps..92...57a&link_type=abstract
Indian Academy of Sciences, Proceedings (Earth and Planetary Sciences) (ISSN 0370-0089), vol. 92, March 1983, p. 57-61. Research
Other
Brightness Temperature, Microwave Emission, Power Spectra, Solar Eclipses, Solar Oscillations, Solar Radio Emission, Maximum Entropy Method, Radiant Flux Density, Solar Temperature, Ultrahigh Frequencies
Scientific paper
The MEM power spectrum analysis of brightness temperature fluctuations observed at 2.8 GHz during the total solar eclipse of February 16, 1980 is reported. The observed periodicities range from 3.5 min to 64 min. These periodicities may arise due to spatial and/or temporal variations in the solar radio emission. The observed periodicities imply presence of scale sizes ranging from 70,000 to 600,000 km assuming that the brightness fluctuations arise because of spatial variation only. On the other hand, if these fluctuations are due to temporal variation, the observed periodicities correspond well to predicted modes of solar global oscillations.
Alurkar Sadanand K.
Bhonsle Rajaram V.
Degaonkar S. S.
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