Sub-Chandrasekhar-mass white dwarf detonations revisited

KJ Shen, D Kasen, BJ Miles… - The Astrophysical …, 2018 - iopscience.iop.org
The detonation of a sub-Chandrasekhar-mass white dwarf (WD) has emerged as one of the
most promising Type Ia supernova (SN Ia) progenitor scenarios. Recent studies have …

Three hypervelocity white dwarfs in Gaia DR2: Evidence for dynamically driven double-degenerate double-detonation type Ia supernovae

KJ Shen, D Boubert, BT Gänsicke, SW Jha… - The Astrophysical …, 2018 - iopscience.iop.org
Double detonations in double white dwarf (WD) binaries undergoing unstable mass transfer
have emerged in recent years as one of the most promising Type Ia supernova (SN Ia) …

Surviving companions of Type Ia supernovae: theory and observations

P Ruiz–Lapuente - New Astronomy Reviews, 2019 - Elsevier
We review the theoretical background and the observational searches made for surviving
companions of Type Ia supernovae (SNe Ia). Theory comprises the characteristics of the …

Almost All Carbon/Oxygen White Dwarfs Can Host Double Detonations

KJ Shen, SJ Boos, DM Townsley - The Astrophysical Journal, 2024 - iopscience.iop.org
Double detonations of sub-Chandrasekhar-mass white dwarfs (WDs) in unstably mass-
transferring double WD binaries have become one of the leading contenders to explain most …

Binary interaction dominates mass ejection in classical novae

KJ Shen, E Quataert - The Astrophysical Journal, 2022 - iopscience.iop.org
Recent observations suggest our understanding of mass loss in classical novae is
incomplete, motivating a new theoretical examination of the physical processes responsible …

No Surviving SN Ia Companion in SNR 0509-67.5: Stellar Population Characterization and Comparison to Models

JV Shields, P Arunachalam, W Kerzendorf… - The Astrophysical …, 2023 - iopscience.iop.org
The community agrees that Type Ia supernovae arise from carbon/oxygen white dwarfs
undergoing thermonuclear runaway. However, the full progenitor system and the process …

Wind-reprocessed transients

AL Piro, W Lu - The Astrophysical Journal, 2020 - iopscience.iop.org
We consider the situation where the luminosity from a transient event is reprocessed by an
optically thick wind. Potential applications are the tidal disruption of stars by black holes …

Observational signatures of the surviving donor star in the double-detonation model of Type Ia supernovae

ZW Liu, FK Röpke, Y Zeng, A Heger - Astronomy & Astrophysics, 2021 - aanda.org
The sub-Chandrasekhar-mass double-detonation (DDet) scenario is a contemporary model
for Type Ia supernovae (SNe Ia). The donor star in the DDet scenario is expected to survive …

Double-detonation models for type Ia supernovae: Trigger of detonation in companion white dwarfs and signatures of companions' stripped-off materials

A Tanikawa, K Nomoto, N Nakasato… - The Astrophysical …, 2019 - iopscience.iop.org
We have studied double-detonation explosions in double-degenerate (DD) systems with
different companion white dwarfs (WDs) for modeling Type Ia supernovae (SNe Ia) by …

Still brighter than pre-explosion, SN 2012Z did not disappear: comparing hubble space telescope observations a decade apart

C McCully, SW Jha, RA Scalzo, DA Howell… - The Astrophysical …, 2022 - iopscience.iop.org
Abstract Type Iax supernovae (SNe Iax) represent the largest class of peculiar white dwarf
supernovae. The type Iax SN 2012Z in NGC 1309 is the only white dwarf supernova with a …