Evolution of binaries containing a hot subdwarf and a white dwarf to double white dwarfs, and double detonation supernovae with hypervelocity runaway stars

Abstract

Compact binaries containing hot subdwarfs and white dwarfs have the potential to evolve into a variety of explosive transients. These systems could also explain hypervelocity runaway stars such as US 708. We use the detailed binary evolution code MESA to evolve hot subdwarf and white dwarf stars interacting in binaries. We explore their evolution towards double detonation supernovae, helium novae, or double white dwarfs. Our grid of 3120 models maps from initial conditions such as orbital period and masses of hot subdwarf and white dwarf to these outcomes. The minimum amount of helium required to ignite the helium shell that leads to a double detonation supernova in our grid is $\approx 0.05{\mathrm{M}}_{\odot }$, likely too large to produce spectra similar to normal type Ia supernovae, but compatible with inferred helium shell masses from some observed peculiar type I supernovae. We also provide the helium shell masses for our double white dwarf systems, with a maximum He shell mass of $\approx 0.18{\mathrm{M}}_{\odot }$. In our double detonation systems, the orbital velocity of the surviving donor star ranges from $\approx 450\mathrm{km}{\mathrm{s}}^{-1}$ to $\approx 1000\mathrm{km}{\mathrm{s}}^{-1}$. Among the surviving donors, we also estimate the runaway velocities of proto-white dwarfs, which have higher runaway velocities than hot subdwarf stars of the same mass. Our grid will provide a first-order estimate of the potential outcomes for the observation of binaries containing hot subdwarfs and white dwarfs from future missions like Gaia, LSST, and LISA.

Accepted for publication in A&A

References in corpus (70)

• The NumPy array: a structure for efficient numerical computation
• Gaia Data Release 2. Summary of the contents and survey properties
• The Gaia mission
• Modules for Experiments in Stellar Astrophysics (MESA)
• Modules for Experiments in Stellar Astrophysics (MESA): Giant Planets, Oscillations, Rotation, and Massive Stars
• Modules for Experiments in Stellar Astrophysics (MESA): Binaries, Pulsations, and Explosions
• Modules for Experiments in Stellar Astrophysics (MESA): Convective Boundaries, Element Diffusion, and Massive Star Explosions
• The Zwicky Transient Facility: System Overview, Performance, and First Results
• Modules for Experiments in Stellar Astrophysics (MESA): Pulsating Variable Stars, Rotation, Convective Boundaries, and Energy Conservation
• The Origin of Subdwarf B Star (I): the Formation Channels
• The origin of sdB stars (II)
• Modules for Experiments in Stellar Astrophysics (MESA): Time-Dependent Convection, Energy Conservation, Automatic Differentiation, and Infrastructure
• Rates and properties of type Ia supernovae as a function of mass and star-formation in their host galaxies
• Double-detonation sub-Chandrasekhar supernovae: can minimum helium shell masses detonate the core?
• Detonations in Sub-Chandrasekhar Mass C+O White Dwarfs
• Hot subluminous stars
• Sub-Chandrasekhar Mass Models For Type Ia Supernovae
• Double-detonation sub-Chandrasekhar supernovae: synthetic observables for minimum helium shell mass models
• Double-detonation supernovae of sub-Chandrasekhar mass white dwarfs
• Helium star donor channel for the progenitors of type Ia supernovae
• KPD1930+2752 - a candidate Type Ia supernova progenitor
• US 708 - An unbound hyper-velocity subluminous O star
• Observational Predictions for Sub-Chandrasekhar Mass Explosions: Further Evidence for Multiple Progenitor Systems for Type Ia Supernovae
• Recurrent novae as a progenitor system of Type Ia supernovae. I. RS Ophiuchi subclass --- Systems with a red giant companion
• Close binary EHB stars from SPY
• Theoretical Modeling of the Thermal State of Accreting White Dwarfs Undergoing Classical Novae
• 2D simulations of the double-detonation model for thermonuclear transients from low-mass carbon-oxygen white dwarfs
• Type Ia Supernova Explosions in Binary Systems: A Review
• Presupernova evolution of accreting white dwarfs with rotation
• The fastest unbound star in our Galaxy ejected by a thermonuclear supernova
• The hot subdwarf B + white dwarf binary KPD 1930+2752 - a Supernova Type Ia progenitor candidate
• A progenitor binary and an ejected mass donor remnant of faint type Ia supernovae
• He-Accreting WDs: accretion regimes and final outcomes
• On type Ia supernovae and the formation of single low-mass white dwarfs
• Evolution of Low-Mass Helium Stars in Semidetached Binaries
• Double Detonations with Thin, Modestly Enriched Helium Layers Can Make Normal Type Ia Supernovae
• Companion stars of Type Ia supernovae and hypervelocity stars
• Producing type Iax supernovae from a specific class of helium-ignited WD explosions?
• Double detonations of sub-Chandrasekhar mass CO white dwarfs: Can different core and He shell masses explain variations of Type Ia supernovae?
• The first binary star evolution model producing a Chandrasekhar mass white dwarf
• The shortest period sdB plus white dwarf binary CD-30 11223 (GALEX J1411-3053)
• The first ultracompact Roche lobe-filling hot subdwarf binary
• Multi-Dimensional Parameter Study of Double Detonation Type Ia Supernovae Originating from Thin-Helium-Shell White Dwarfs
• ZTF 18aaqeasu (SN 2018byg): A Massive Helium-shell Double Detonation on a Sub-Chandrasekhar Mass White Dwarf
• Thermonuclear explosion of a massive hybrid HeCO white-dwarf triggered by a He-detonation on a companion
• A hot subdwarf-white dwarf super-Chandrasekhar candidate supernova Ia progenitor
• Effects of rotation on the helium burning shell source in accreting white dwarfs
• Alone but not lonely: Observational evidence that binary interaction is always required to form hot subdwarf stars
• Hot subdwarfs in close binaries observed from space I: orbital, atmospheric, and absolute parameters and the nature of their companions
• Carbon Shell or Core Ignitions in White Dwarfs Accreting from Helium Stars
• Proper Motions and Trajectories for 16 Extreme Runaway and Hypervelocity Stars
• A new class of Roche lobe-filling hot subdwarf binaries
• Population synthesis of Galactic subdwarf B stars
• Dynamical Tides in Compact White Dwarf Binaries: Influence of Rotation
• Evolutionary modelling of subdwarf B stars using MESA with the predictive mixing and convective premixing schemes
• Discovery of a double detonation thermonuclear supernova progenitor
• Stellar wind models of subluminous hot stars
• 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
• Stars stripped in binaries -- the living gravitational wave sources
• Double detonations: variations in Type Ia supernovae due to different core and He shell masses -- II: synthetic observables
• Helium ignition in rotating magnetized CO white dwarfs leading to fast and faint rather than classical type Ia supernovae
• A transiting brown dwarf in a 2 hour orbit
• Electron Captures on ${}^{14}\mathrm{N}$ as a Trigger for Helium Shell Detonations
• Velocity limits in the thermonuclear supernova ejection scenario for hypervelocity stars and the origin of US 708
• Is KPD 1930+2752 a good SN Ia progenitor?
• Spectroscopic twin to the hypervelocity sdO star US 708 and three fast sdB stars from the Hyper-MUCHFUSS project
• Type Ia supernova explosion models are inherently multidimensional
• Properties and applications of a predicted population of runaway He-sdO/B stars ejected from single degenerate He-donor SNe
• The runaway velocity of the white dwarf companion in the double detonation scenario of supernovae

Cited by in corpus (3)

• From Main Sequence Binary to Blast: MESA Modeling of the Double-Detonation Progenitor PTF1~J2238+7430
• The evolutionary history of ultra-compact accreting binaries. I. Chemical abundances and formation channel of the eclipsing AM CVn system ZTF J225237.05-051917.4 from HST spectroscopy
• Stars on the ascending helium giant branch I. From white dwarf merger to helium giant: the evolutionary state of the rapidly rotating hot subdwarf HE 1518-0948