Microwave observations of compact radio sources during solar eclipses on RT-22 |
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| Authors: | Yu T Tsap L I Tsvetkov S A Samis’ko |
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| Institution: | 1.Crimean Astrophysical Observatory (CrAO),Crimea,Ukraine;2.Pulkovo Astronomical Observatory,Russian Academy of Sciences,Pulkovo, St. Petersburg,Russia;3.Main Astronomical Observatory,National Academy of Sciences of Ukraine,Kiev,Ukraine |
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| Abstract: | Based on the observations of solar eclipses performed on the RT-22 radio telescope at CrAO in the wavelength range 2.0–3.5
cm, we consider the fine spatial structure of the microwave emission from the quiet Sun. We have established that the positions
of compact radio sources with a typical size of about 7″.0 and coronal bright points coincide. The mean radio flux exceeds
the level of the quiet Sun by 0.28 sfu. The brightness temperatures increase with wavelength and lie within the range 0.3–2.7
MK. Evidence for a nonthermal nature of the emission from compact radio sources has been obtained. |
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