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Synchrotron and thermal X-ray emission from supernova remnants. Low radiation losses of electrons |
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| Authors: | O Petruk V Beshlei |
| Institution: | (1) Institute of Applied Problems in Mechanics and Mathematics, National Academy of Sciences of Ukraine, vul. Naukova 3-b, L’viv, 79060, Ukraine;(2) Astronomical Observatory, Ivan Franko L’viv National University, vul. Kyryla i Mefodiia 8, L’viv, 79005, Ukraine;(3) Ivan Franko L’viv National University, vul. Kyryla i Mefodiia 8, L’viv, 79005, Ukraine |
| Abstract: | A model is proposed for the nonthermal synchrotron emission from supernova remnants in the uniform interstellar medium. Some characteristics of nonthermal and thermal emission (luminosity and surface brightness distribution) are compared. The conditions when the nonthermal component can be prominent in the X-ray spectrum are specified. We point out some observational tests which will allow a number of parameters characterizing the cosmic ray injection on supernova remnant shocks to be estimated. The cases when electron radiation losses may be neglected are considered. |
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