Abstract
Several physical mechanisms have been studied in order to explain why composite supernova remnants (SNRs) have shell-like morphologies in radio continuum while their X-ray emission is centrally peaked. One of the proposed mechanisms has been the presence of thermal conduction, which can raise the density at the center of SNRs, increasing the X-ray emission from these regions. In this work, we have carried out axisymmetric numerical simulations with the adaptive grid yguazú-a code, including the advection of the magnetic field and the thermal conduction. We have considered cases with anisotropic thermal conduction, as well as with no conduction. We have simulated X-ray emission maps from our numerical simulations for these both cases, and we then compare these predictions with recent X-ray observations of SNRs.
