Electron Captures on $^{14}{\rm N}$ as a Trigger for Helium Shell Detonations

Other literature type, Preprint English OPEN
Bauer, Evan B.; Schwab, Josiah; Bildsten, Lars;
(2017)
  • Publisher: (:unav)
  • Related identifiers: doi: 10.3847/1538-4357/aa7ffa
  • Subject: Astrophysics - Solar and Stellar Astrophysics
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::High Energy Astrophysical Phenomena | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

White dwarfs (WDs) that accrete helium at rates $\sim 10^{-8} \, M_\odot \, \rm yr^{-1}$, such as those in close binaries with sdB stars, can accumulate large ($\gtrsim 0.1 \, M_\odot$) helium envelopes which are likely to detonate. We perform binary stellar evolution c... View more
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