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Information × Registration Number 0225U005408, (0125U001551) , R & D reports Title Diagnostics of the interstellar medium in complex studies of continuum, monochromatic and pulsed radio radiation in the decameter-meter ranges popup.stage_title Експериментальні дослідження радіовипромінювання Галактики на телескопах УРАН-2, ГУРТ та визначення розподілу карбону за спостереженням РРЛ Head Stanyslavskyi Lev O., Доктор філософії Registration Date 31-12-2025 Organization Radio Astronomical Institute of the National Academy of Sciences of Ukraine popup.description1 The aim of this work is a comprehensive study of the interstellar medium of our Galaxy based on the observational characteristics of continuous, monochromatic, pulsed and polarized radio radiation when recorded in the decameter-meter wavelength range. Relevant experimental studies will be performed on Ukrainian radio telescopes using highly sensitive digital radio receiving equipment in a wide frequency band of analysis with the use of new observational methodologies. The results obtained for each of the areas of work will allow us to determine the main physical characteristics in interstellar plasmas of various types, such as electron temperatures, electron concentrations, emission measures, dispersion measures, etc. popup.description2 Preparatory work was carried out, including checks, auxiliary measurements, and calibration of various parts and components of Ukrainian radio telescope sub-arrays. Highly sensitive radio observations of the supernova remnants 3C461 and Cassiopeia A were conducted over several days, along with observations of the radio galaxy Cygnus A using the GURT, URAN-2, and NenuFAR interferometers under various observing conditions. Research was conducted on continuous radio emissions in the direction of Cygnus A, Cassiopeia A, radio galaxy 3C353, and Hercules A galaxy, both in tracking mode and in the direction of selected radio sources on the URAN-2 telescope. Systematization and processing of both the observation data obtained in 2025 on radio telescopes (GURT, URAN-2, NenuFAR) and the archival data for 2021-2022 from the UTR-2 telescope. The data from observations by NASA's Wind Spacecraft, Solar Orbiter, and Pioneer Venus Orbiter spacecraft were systematized and processed to construct a model dependence of the speeds of fast and slow solar wind on the distance from the Sun based on approximations obtained from the electron concentration equation. Product Description popup.authors Skoryk Anastasiia Oleksandrivna Yevhen V. Vasylkivskyi Lev O. Stanyslavskyi Maksym V. Skoryk popup.nrat_date 2025-12-31 Close