Thin-shell numerical model of supernova remnants shows high ambient densities inhibit the Sedov-Taylor phase and prevent the reverse shock from reaching the explosion center above n0 = 5e5 cm^-3 due to rapid cooling.
Dust Production in the High-Redshift Universe
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abstract
How much dust can be produced in the early Universe? Does dust production depend on the average heavy-metal content of the hosting galaxy? Considering supernova explosions, massive stars (Wolf-Rayet, LBV and RSG), and relatively massive AGB stars among possible dust-generating objects in the early Universe, we find that SN remnants can be regarded as the main source of the primordial dust. However, this conclusion is based on highly uncertain (and probably over-estimated) dust production rates. Despite all the uncertainties, interstellar extinction must be taken into account while observing high-redshift objects.
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astro-ph.GA 1years
2019 1verdicts
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The full evolution of supernova remnants in low and high density ambient media
Thin-shell numerical model of supernova remnants shows high ambient densities inhibit the Sedov-Taylor phase and prevent the reverse shock from reaching the explosion center above n0 = 5e5 cm^-3 due to rapid cooling.