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Title:
The observations of solar microwave bursts at the Siberian solar radio telescope with 56-millisecond resolution
Authors:
Altyntsev, A. T.; Grechnev, V. V.; Kachev, L. E.; Lesovoi, S. V.; Mansyrev, M. I.; Molodyakov, S. A.; Platonov, A. V.; Saenko, I. I.; Smolkov, G. Y.; Sych, R. A.; Treskov, T. A.; Zandanov, V. G.; Esepkina, N. A.
Affiliation:
AA(Inst. of Solar-Terrestrial Physics, Russia), AB(Inst. of Solar-Terrestrial Physics, Russia), AC(Inst. of Solar-Terrestrial Physics, Russia), AD(Inst. of Solar-Terrestrial Physics, Russia), AE(St. Petersburg Technical Univ., St. Petersburg, Russia), AF(St. Petersburg Technical Univ., St. Petersburg, Russia), AG(Inst. of Solar-Terrestrial Physics, Russia), AH(Inst. of Solar-Terrestrial Physics, Russia), AI(Inst. of Solar-Terrestrial Physics, Russia), AJ(Inst. of Solar-Terrestrial Physics, Russia)
Publication:
Astronomy and Astrophysics (ISSN 0004-6361), vol. 287, no. 1, p. 256-260 (A&A Homepage)
Publication Date:
07/1994
Category:
Solar Physics
Origin:
STI
NASA/STI Keywords:
MICROWAVES, RADIO ASTRONOMY, RADIO SOURCES (ASTRONOMY), SIZE DETERMINATION, SOLAR RADIO BURSTS, ACOUSTO-OPTICS, MICROWAVE INTERFEROMETERS, RADIO TELESCOPES
Bibliographic Code:
1994A&A...287..256A

Abstract

It has become possible to investigate fine time structure of bursts at the Siberian Solar Radio Telescope (SSRT) radio interferometer through the use of the method of multifrequency reception by means of the acousto-optical receiver. We offer a technique for estimating the size of ratio sources smaller than the beam width. By considering an example of the event of February 18, 1992, in the impulsive burst evolution we identified time structure of variation of its size with growth rates of up to 560 km/s and typical times of a few seconds.

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