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Registration Number

0125U002181, ( 0225U004287  ) R & D request

Title

Thermal free-free absorption in supernova remnants at radio frequencies below 80 MHz

Head

Stanyslavskyi Oleksandr O., Доктор фізико-математичних наук

Registration Date

14-04-2025

Organization

Radio Astronomical Institute of the National Academy of Sciences of Ukraine

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The purpose of this work is to study the radio emission of supernova remnants 3C144, HB3 and 3C461 from spectral observations using 3C405 as a calibrator. Measurements of such spectra on the Ukrainian GURT and URAN-2 radio telescopes with the French NenuFAR one due to the contribution of ionized gas inside and outside remnants will be a significant result. This will allow us to estimate the temperature, average ionization, and emission measure of the absorbing gas into the remnants and the surrounding interstellar medium.

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2025-04-14