TESS data show stochastic low-frequency variability dominates in most extreme helium stars, with characteristic timescales of 0.5-10 days correlating to stellar parameters and matching subsurface convection predictions.
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Simulations identify black hole-giant collisions as the main formation channel for ultracompact black hole-white dwarf binaries in globular clusters, with mock catalogs suggesting order-one LISA-detectable sources in the Milky Way.
citing papers explorer
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TESS Observations of Stochastic Low-frequency Variability in Extreme Helium Stars
TESS data show stochastic low-frequency variability dominates in most extreme helium stars, with characteristic timescales of 0.5-10 days correlating to stellar parameters and matching subsurface convection predictions.
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Formation of Black Hole-White Dwarf X-ray Binaries in Globular Clusters
Simulations identify black hole-giant collisions as the main formation channel for ultracompact black hole-white dwarf binaries in globular clusters, with mock catalogs suggesting order-one LISA-detectable sources in the Milky Way.