A method for computing synchrotron and inverse-Compton emission from hydrodynamic simulations of supernova remnantsстатья
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Дата последнего поиска статьи во внешних источниках: 10 февраля 2016 г.
Аннотация:The observational signature of supernova remnants (SNRs) is very complex, in terms of both their
geometrical shape and their spectral properties, dominated by non-thermal synchrotron and inverse-
Compton scattering. We propose a post-processing method to analyse the broad-band emission of
SNRs based on three-dimensional hydrodynamical simulations. From the hydrodynamical data, we estimate
the distribution of non-thermal electrons accelerated at the shock wave and follow the subsequent
evolution as they lose or gain energy by adiabatic expansion or compression and emit energy by
radiation. As a first test case, we use a simulation of a bipolar supernova expanding into a cloudy medium.
We find that our method qualitatively reproduces the main observational features of typical SNRs
and produces fluxes that agree with observations to within a factor of a few allowing for further use in
more extended sets of models.