Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3820
Title: Observations on the slowly varying component of solar radio emission at decameter wavelengths
Authors: Sastry, Ch. V
Shevgaonkar, R. K
Ramanuja, M. N
Keywords: Brightness Temperature;Decametric Waves;Solar Corona;Solar Radio Emission;Thermal Emission;Radial Distribution;Temperature Distribution
Issue Date: Sep-1983
Publisher: Springer
Citation: Solar Physics, Vol. 87, No. 2, pp. 391 - 399
Abstract: The authors have made two-dimensional maps of the slowly varying component (SVC) of solar radio emission at a frequency of 34.5 MHz with half power beam width of 26'/40'. It is found that a majority of SVC sources have brightness temperatures of the order of 0.5×106K and half power widths of about 4 R_sun;. The shifts in the positions of the centroids of the SVC sources from the center of the Sun were in the range 1.5 to 2 R_sun;. These observations can be explained in terms of thermal emission from coronal regions of enhanced density and temperature located at distances of 1.5 to 2 R_sun; from the center of the Sun.
URI: http://hdl.handle.net/2248/3820
ISSN: 0038-0938
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Appears in Collections:IIAP Publications

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