Three-dimensional Simulations of Pure Deflagration Models for Thermonuclear Supernovae

Abstract

We present a systematic study of the pure deflagration model of Type Ia supernovae using three-dimensional, high-resolution, full-star hydrodynamical simulations, nucleosynthetic yields calculated using Lagrangian tracer particles, and light curves calculated using radiation transport. We evaluate the simulations by comparing their predicted light curves with many observed SNe Ia using the SALT2 data-driven model and find that the simulations may correspond to under-luminous SNe Iax. We explore the effects of the initial conditions on our results by varying the number of randomly selected ignition points from 63 to 3500, and the radius of the centered sphere they are confined in from 128 to 384 km. We find that the rate of nuclear burning depends on the number of ignition points at early times, the density of ignition points at intermediate times, and the radius of the confining sphere at late times. The results depend primarily on the number of ignition points, but we do not expect this to be the case in general. The simulations with few ignition points release more nuclear energy $E_{\mathrm{nuc}}$, have larger kinetic energies $E_{\mathrm{K}}$, and produce more ${}^{56}$Ni than those with many ignition points, and differ in the distribution of ${}^{56}$Ni, Si, and C/O in the ejecta. For these reasons, the simulations with few ignition points exhibit higher peak B-band absolute magnitudes $M_{\mathrm{B}}$ and light curves that rise and decline more quickly; their $M_{\mathrm{B}}$ and light curves resemble those of under-luminous SNe Iax, while those for simulations with many ignition points are not.

Submitted to ApJ, 23 pages, 19 figures. A 3D animation is provided at http://flash.uchicago.edu/~long/PureDef/8km-PureDef-DDT-Compositions-1365x768.mp4

References in corpus (10)

• Time Dependent Monte Carlo Radiative Transfer Calculations For 3-Dimensional Supernova Spectra, Lightcurves, and Polarization
• Theoretical light curves for deflagration models of Type Ia supernova
• A three-dimensional deflagration model for Type Ia supernovae confronted with observations
• On the Origin of the Type Ia Supernova Width-Luminosity Relation
• A localised subgrid scale model for fluid dynamical simulations in astrophysics I: Theory and numerical tests
• Capturing the Fire: Flame Energetics and Neutronizaton for Type Ia Supernova Simulations
• A localised subgrid scale model for fluid dynamical simulations in astrophysics II: Application to type Ia supernovae
• Flame Evolution During Type Ia Supernovae and the Deflagration Phase in the Gravitationally Confined Detonation Scenario
• Constraints on dark energy with the LOSS SN Ia sample
• Evaluating Systematic Dependencies of Type Ia Supernovae: The Influence of Central Density

Cited by in corpus (34)

• Three-dimensional pure deflagration models with nucleosynthesis and synthetic observables for Type Ia supernovae
• Three Hypervelocity White Dwarfs in Gaia DR2: Evidence for Dynamically Driven Double-Degenerate Double-Detonation Type Ia Supernovae
• Type Ia Supernova Explosions in Binary Systems: A Review
• The ejected mass distribution of type Ia supernovae: A significant rate of non-Chandrasekhar-mass progenitors
• The type Iax supernova, SN 2015H: a white dwarf deflagration candidate
• Type Iax Supernovae
• Wait for it: Post-supernova winds driven by delayed radioactive decays
• Radiation Transport for Explosive Outflows: Opacity Regrouping
• Electron Capture Supernovae of Super-AGB Stars: Sensitivity on Input Physics
• An investigation of ${}^{56}$Ni shells as the source of early light curve bumps in type Ia supernovae
• A Tracer Method for Computing Type Ia Supernova Yields: Burning Model Calibration, Reconstruction of Thickened Flames, and Verification for Planar Detonations
• The hybrid CONe WD + He star scenario for the progenitors of type Ia supernovae
• The Progenitors of Calcium-Strong Transients
• A new hydrodynamics code for Type Ia Supernovae
• Explosive Nucleosynthesis in Near-Chandrasekhar-mass White Dwarf Models for Type Iax Supernovae: Dependence on Model Parameters
• Dark Matter Admixed Type Ia Supernovae
• Chemical abundances in Sgr A East: evidence for a Type Iax supernova remnant
• Type Iax SNe as a few-parameter family
• Identification of the feature that causes the I-band secondary maximum of a type Ia supernova
• Models of pulsationally assisted gravitationally confined detonations with different ignition conditions
• Evolution of Helium Star - White Dwarf Binaries Leading up to Thermonuclear Supernovae
• Constraining Type Iax Supernova Progenitor Systems with Stellar Population Aging
• An analysis of the spectroscopic signatures of layering in the ejecta of type Iax supernovae
• Rayleigh-Taylor unstable flames at higher Reynolds number
• SN 2024bfu, SN 2025qe, and the early light curves of type Iax supernovae
• SN 2022xlp: The second-known well-observed, intermediate-luminosity Iax supernova
• A metric space for type Ia supernova spectra: a new method to assess explosion scenarios
• Pre-Explosion Properties of Helium Star Donors to Thermonuclear Supernovae
• Including a Luminous Central Remnant in Radiative Transfer Simulations for Type Iax Supernovae
• Constraints on the Sub-pc Environment of the Nearby Type Iax SN 2014dt from Deep X-ray and Radio Observations
• Type Iax supernovae as a source of iron-rich silicate dust
• The extremely low-luminosity Type Iax SNe 2022ywf and 2023zgx
• Chemical enrichment of ICM within the A3266 cluster I: radial profiles
• Type Iax supernovae from deflagrations in Chandrasekhar mass white dwarfs