Hydrodynamics and Nucleosynthesis of Jet-Driven Supernovae II: Comparisons with Abundances of Extremely Metal-Poor Galaxies and Constraints on Supernova Progenitors

Abstract

The spectra of several galaxies, including extremely metal-poor galaxies (EMPGs) from the EMPRESS survey, have shown that the abundances of some Si-group elements differ from "spherical" explosion models of massive stars. This leads to the speculation that these galaxies have experienced supernova explosions with high asphericity, where mixing and fallback of the inner ejecta with the outer material leads to the distinctive chemical compositions. In this article, we consider the jet-driven supernova models by direct two-dimensional hydrodynamics simulations using progenitors about 20 -- 25 $M_{\odot }$ at zero metallicity. We investigate how the abundance patterns depend on the progenitor mass, mass cut and the asphericity of the explosion. We compare the observable with available supernova and galaxy catalogs based on ${}^{56}$Ni, ejecta mass, and individual element ratios. The proximity of our results with the observational data signifies the importance of aspherical supernova explosions in chemical evolution of these galaxies. Our models will provide the theoretical counterpart for understanding the chemical abundances of high-z galaxies measured by the James Webb Space Telescope.

29 pages, 40 figures. Submitted to the Astrophysical Journal on Dec 21 2023, accepted on Aug 8 2024, published on Oct 18 2024

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Cited by in corpus (4)

• Revisiting the Perseus Cluster I: Resolving the Si/S/Ar/Ca ratios by Stellar Convection
• Primordial Black Hole Triggered Type Ia Supernovae II: Comparison with Supernova Remnants and Galactic Chemical Evolution
• Revisiting the Perseus Cluster II: Metallicity-Dependence of Massive Stars and Chemical Enrichment History
• Revisiting the Perseus Cluster III: Role of Aspherical Explosions on its Chemical Composition and Extension to Metal-Poor Stars and Galaxies