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Information × Registration Number 0220U102472, 0119U101430 , R & D reports Title High-bandwidth multiband radio-monitoring of non-thermal radiation of the Universe. " popup.stage_title Head Konovalenko Oleksandr O., Доктор фізико-математичних наук Registration Date 16-03-2020 Organization Institute of Radio Astronomy of the NAS of Ukraine popup.description2  For observing the secular evolution of the Cas-A supernova remnant, compilation results that were obtained at different times on different radio telescopes were used up to the present time. In our work we use two radio telescopes that are situate in the same astro-climatic conditions. To investigate the rate and/or variations of the evolution of the supernova shell, the radio galaxy Swan-A (3C 405) is used as the reference radio source. When using UTR-2 or GURT, both Cassiopeia-A and Swan-A have virtually identical angles at the time of their upper climax, so the ratio of these responses does not require additional calibration. Product Description popup.authors Yerin Serhii M. Andreiev Igor A Bєlov Оleksandr S Bortsov Viktor V Bubnov Igor M Galanіn Valeri V Derevyagin Victor G. Zakharenko Vyacheslav V. Kvasov Gennady V. Lisachenko Victor M. Litvinenko Oleg O. Reznichenko Oleksandr M Ul’yanov Oleg M. Shevtsova Lyudmila V popup.nrat_date 2020-04-01 Close