Simulation results corresponding to model 5p0z22.16.1E9 which best-fits the observations of SN 2007on. This DD model simulates the disruption of a WD that explodes with ρtr = 1.6 × 107 g cm−3 and ρc = 1.0 × 109 g cm−3 . Left panel:both the density (blue dotted line) and velocity structures (red solid line) are shown vs. mass. Middle panel: element abundances of the most important elements out of 218 isotopes presented in mass fraction (Xi) vs. velocity. The composition of the central region is dominated by numerous iron-group electron capture (EC) isotopes (Hoeflich et al. 1998; Brachwitz et al. 2000). Right panel: variation in the 56Ni distribution vs. velocity with ρc varied from (0.5−4.0) × 109 g cm−3 for a normal-bright SN Ia model (see Diamond et al. 2015).
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