On the fate of the secondary white dwarf in double-degenerate double-detonation Type Ia supernovae

Abstract

The progenitor systems and explosion mechanism of Type Ia supernovae are still unknown. Currently favoured progenitors include double-degenerate systems consisting of two carbon-oxygen white dwarfs with thin helium shells. In the double-detonation scenario, violent accretion leads to a helium detonation on the more massive primary white dwarf that turns into a carbon detonation in its core and explodes it. We investigate the fate of the secondary white dwarf, focusing on changes of the ejecta and observables of the explosion if the secondary explodes as well rather than survives. We simulate a binary system of a $1.05{\mathrm{M}}_{\odot }$ and a $0.7{\mathrm{M}}_{\odot }$ carbon-oxygen white dwarf with $0.03{\mathrm{M}}_{\odot }$ helium shells each. We follow the system self-consistently from inspiral to ignition, through the explosion, to synthetic observables. We confirm that the primary white dwarf explodes self-consistently. The helium detonation around the secondary white dwarf, however, fails to ignite a carbon detonation. We restart the simulation igniting the carbon detonation in the secondary white dwarf by hand and compare the ejecta and observables of both explosions. We find that the outer ejecta at $v>15000$\,km\,s${}^{-1}$ are indistinguishable. Light curves and spectra are very similar until $\sim 40\mathrm{d}$ after explosion and the ejecta are much more spherical than violent merger models. The inner ejecta differ significantly slowing down the decline rate of the bolometric light curve after maximum of the model with a secondary explosion by $\sim 20$ per cent. We expect future synthetic 3D nebular spectra to confirm or rule out either model.

12 pages, 7 figures, accepted to MNRAS, comments welcome

References in corpus (72)

• The chemical composition of the Sun
• E pur si muove: Galiliean-invariant cosmological hydrodynamical simulations on a moving mesh
• Observational clues to the progenitors of Type-Ia supernovae
• Three-dimensional delayed-detonation models with nucleosynthesis for Type Ia supernovae
• Normal Type Ia supernovae from violent mergers of white dwarf binaries
• Double-detonation sub-Chandrasekhar supernovae: can minimum helium shell masses detonate the core?
• The Arepo public code release
• Sub-luminous type Ia supernovae from the mergers of equal-mass white dwarfs with M~0.9 M_sun
• Detonations in Sub-Chandrasekhar Mass C+O White Dwarfs
• Improving the convergence properties of the moving-mesh code AREPO
• Hubble Residuals of Nearby Type Ia Supernovae Are Correlated with Host Galaxy Masses
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• Sub-Chandrasekhar Mass Models For Type Ia Supernovae
• Constraints on the Progenitor System of the Type Ia Supernova SN 2011fe/PTF11kly
• Helium-ignited violent mergers as a unified model for normal and rapidly declining Type Ia Supernovae
• Magnetohydrodynamics on an unstructured moving grid
• Double-detonation sub-Chandrasekhar supernovae: synthetic observables for minimum helium shell mass models
• Sub-Chandrasekhar-mass white dwarf detonations revisited
• Three Hypervelocity White Dwarfs in Gaia DR2: Evidence for Dynamically Driven Double-Degenerate Double-Detonation Type Ia Supernovae
• An asymmetric explosion as the origin of spectral evolution diversity in type Ia supernovae
• Surface Detonations in Double Degenerate Binary Systems Triggered by Accretion Stream Instabilities
• Time-dependent 3D spectrum synthesis for type Ia supernovae
• The Progenitors of Type Ia Supernovae
• On the Progenitors of Type Ia Supernovae
• Host Galaxy Properties and Hubble Residuals of Type Ia Supernovae from the Nearby Supernova Factory
• Constraints on the Progenitor Systems of Type Ia Supernovae
• Solar abundance of manganese: a case for the existence of near Chandrasekhar-mass Type Ia supernova progenitors
• ESC and KAIT Observations of the Transitional Type Ia SN 2004eo
• On the brightness distribution of Type Ia supernovae from violent white dwarf mergers
• The ejected mass distribution of type Ia supernovae: A significant rate of non-Chandrasekhar-mass progenitors
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• No X-rays from the very nearby Type Ia SN2014J: constraints on its environment
• Spontaneous Initiation of Detonations in White Dwarf Environments: Determination of Critical Sizes
• No surviving evolved companions to the progenitor of supernova SN 1006
• Evidence for sub-Chandrasekhar-mass progenitors of Type Ia supernovae at the faint end of the width-luminosity relation
• Double Detonations with Thin, Modestly Enriched Helium Layers Can Make Normal Type Ia Supernovae
• Type Ia Supernovae with Bi-Modal Explosions Are Common -- Possible Smoking Gun for Direct Collisions of White-Dwarfs
• Constraints on the Progenitor System of the Type Ia Supernova 2014J from Pre-Explosion Hubble Space Telescope Imaging
• Multi-dimensional simulations of radiative transfer in Type Ia supernovae
• Searching for swept-up Hydrogen and Helium in the late-time spectra of 11 nearby Type Ia supernovae
• Formation and evolution of hybrid He-CO white dwarfs and their properties
• No trace of a single-degenerate companion in late spectra of SNe 2011fe and 2014J
• Non-Local Thermodynamic Equilibrium Radiative Transfer Simulations of Sub-Chandrasekhar-Mass White Dwarf Detonations
• Nucleosynthesis in thermonuclear supernovae with tracers: convergence and variable mass particles
• Type Ia supernovae from violent mergers of carbon-oxygen white dwarfs: polarisation signatures
• Multi-Dimensional Parameter Study of Double Detonation Type Ia Supernovae Originating from Thin-Helium-Shell White Dwarfs
• Thermonuclear explosion of a massive hybrid HeCO white-dwarf triggered by a He-detonation on a companion
• Constructing stable 3D hydrodynamical models of giant stars
• A hot subdwarf-white dwarf super-Chandrasekhar candidate supernova Ia progenitor
• Multi-Dimensional Radiative Transfer Calculations of Double Detonations of Sub-Chandrasekhar-Mass White Dwarfs
• Nucleosynthesis in thermonuclear supernovae
• Nebular Spectra of 111 Type Ia Supernovae Disfavor Single Degenerate Progenitors
• Type Ia supernovae have two physical width-luminosity relations and they favor sub-Chandrasekhar and direct collision models. I. Bolometric
• The critical mass ratio of double white dwarf binaries for violent merger-induced Type Ia supernova explosions
• Probing type Ia supernova properties using bolometric light curves from the Carnegie Supernova Project and the CfA Supernova Group
• Type Ia Supernova Sub-classes and Progenitor Origin
• The First Maximum-Light Ultraviolet through Near-Infrared Spectrum of a Type Ia Supernova
• Metallicity-dependent nucleosynthetic yields of Type Ia supernovae originating from double detonations of sub-M${}_{\text{Ch}}$ white dwarfs
• A Search for a Surviving White Dwarf Companion in SN 1006
• The $\gamma$-ray deposition histories of core-collapse supernovae
• The response of a helium white dwarf to an exploding type Ia supernova
• Models for the evolution of close binaries with He-Star and WD components towards Type Ia supernova explosions
• Phases of Mass Transfer from Hot Subdwarfs to White Dwarf Companions and Their Photometric Properties
• Swift/BAT detection of hard X-rays from Tycho's Supernova Remnant: Evidence for Titanium-44
• A Significantly off-center Ni56 Distribution for the Low-Luminosity Type Ia Supernova SN 2016brx from the 100IAS survey
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• 3D Hydrodynamical Simulations of Helium-Ignited Double-degenerate White Dwarf Mergers
• Searching for a Hypervelocity White Dwarf Companion: A Proper Motion Survey of SN 1006
• Asymmetry and the Nucleosynthetic Signature of Nearly Edge-Lit Detonation in White Dwarf Cores
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