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- W3100431781 abstract "Rayleigh-Taylor (R-T) instabilities in the explosion of SN 1993J are investigated by means of two-dimensional hydrodynamical simulations. It is found that the extent of mixing is sensitive to the progenitor's core mass and the envelope mass. Because the helium core mass (3-4 M☉) is smaller than that of SN 1987A, R-T instabilities at the He/C+O interface develop to induce a large-scale mixing in the helium core, while the instability is relatively weak at the H/He interface as a result of the small envelope mass. The predicted abundance distributions, in particular the extent of the 56Ni mixing, are compared with those required in modeling the bolometric light curve and the late-time optical spectra. These comparisons provide significant constraints on the masses of the helium core and the envelope of the progenitor of SN 1993J." @default.
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- W3100431781 date "1997-03-10" @default.
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- W3100431781 title "Instabilities and Mixing in SN 1993J" @default.
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- W3100431781 doi "https://doi.org/10.1086/303729" @default.
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