3D Hydrodynamical Simulations of Supernova Outflows
Kathlynn Simotas, University of California, Santa Barbara
We present preliminary findings from our hydrodynamical study on the nature of supernova outflows that encounter a binary companion. This project aims to understand and quantify key properties of this encounter on outflowing ejecta from various types of supernova explosions. The properties of these outflows are significant as they offer insights into the nature of supernova progenitor systems, a topic that has been debated for decades. Using the Athena++ astrophysical hydrodynamics code, we create 3D simulations of Type Ia supernovae in close binaries, varying gas properties and models of the equations of state of the expanding, supersonic ejecta. Specifically, we aim to demonstrate the impact of hydrodynamic variables on the extent to which the outflow is dominated by gas or radiation pressure. Quantifying and predicting the dominant source of pressure is crucial to understanding the later observational signals produced by these systems. Beyond Type Ia supernovae, we plan to extend this work by simulating core-collapse supernovae in wide binaries, further exploring the complex dynamics of these events.