Dark Matter Admixed Type Ia Supernovae

Abstract

We perform two-dimensional hydrodynamic simulations for the thermonuclear explosion of Chandrasekhar-mass white dwarfs with dark matter (DM) cores in Newtonian gravity. We include a 19-isotope nuclear reaction network and make use of the pure turbulent deflagration model as the explosion mechanism in our simulations. Our numerical results show that the general properties of the explosion depend quite sensitively on the mass of the DM core M${}_{\mathrm{DM}}$: a larger M${}_{\mathrm{DM}}$ generally leads to a weaker explosion and a lower mass of synthesized iron-peaked elements. In particular, the total mass of ${}^{56}$Ni produced can drop from about 0.3 to 0.03 $M_{\odot }$ as M${}_{\mathrm{DM}}$ increases from 0.01 to 0.03 $M_{\odot }$. We have also constructed the bolometric light curves obtained from our simulations and found that our results match well with the observational data of sub-luminous Type-Ia supernovae.

11 pages, 14 figures, accepted by The Astrophysical Journal. Metadata updated

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Cited by in corpus (20)

• Explosive Nucleosynthesis in Near-Chandrasekhar Mass White Dwarf Models for Type Ia Supernovae: Dependence on Model Parameters
• New Type Ia supernova Yields and the Manganese and Nickel Problems in the Milky Way and Dwarf Spheroidal Galaxies
• Explosive Nucleosynthesis in Sub-Chandrasekhar Mass White Dwarf Models for Type Ia Supernovae: Dependence on Model Parameters
• Single Degenerate Models for Type Ia Supernovae Progenitor's Evolution and Nucleosythesis Yields
• Tidal Deformability of Dark Matter Admixed Neutron Stars
• Evolution of ONeMg Core in Super-AGB Stars towards Electron-Capture Supernovae: Effects of Updated Electron-Capture Rate
• Electron Capture Supernovae of Super-AGB Stars: Sensitivity on Input Physics
• Accretion-Induced Collapse of Dark Matter Admixed White Dwarfs -- I: Formation of Low-mass Neutron Stars
• Delayed Detonation Thermonuclear Supernovae With An Extended Dark Matter Component
• Exploring non-radial oscillation modes in dark matter admixed neutron stars
• Exploration of Aspherical Ejecta Properties in Type Ia Supernova: Progenitor Dependence and Applications to Progenitor Classification
• Hydrodynamics and Nucleosynthesis of Jet-Driven Supernovae I: Parameter Study of the Dependence on Jet Energetics
• Accretion-Induced Collapse of Dark Matter Admixed White Dwarfs -- II: Rotation and Gravitational-wave Signals
• Dark Matter-admixed Rotating White Dwarfs as Peculiar Compact Objects
• Type Ia Supernova Magnitude Step from the local Dark Matter Environment
• Triggering Electron Capture Supernovae: Dark Matter Effects in Degenerate White-Dwarf-like Cores of Super-Asymptotic Giant Branch Stars
• Type Ia Supernovae and their Explosive Nucleosynthesis: Constraints on Progenitors
• Primordial Black Hole Triggered Type Ia Supernovae II: Comparison with Supernova Remnants and Galactic Chemical Evolution
• Effects of light-mass fermionic dark matter on the equilibrium and stability of white dwarfs
• Revisiting the Perseus Cluster III: Role of Aspherical Explosions on its Chemical Composition and Extension to Metal-Poor Stars and Galaxies