Eccentric mass transfer via the new GeMT model accounts for the eccentric orbits of wide sdB+MS binaries as a direct consequence of mass-transfer physics.
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Simulations show that intermediate-mass progenitors with non-degenerate cores before helium burning produce a mass-orbital period relation for massive white dwarfs that accounts for long-period systems.
Enhanced mass transfer stability explains the observed deficit of post-common-envelope binaries with solar-type companions, with inefficient common envelope evolution (alpha_CE=0.25) providing the best match when combined with magnetic braking and selection effects.
Multi-survey analysis of 157 hot subdwarf binaries yields 23 orbital solutions (11 new) whose mass-period distribution matches post-common-envelope systems, supporting a common-envelope origin.
Mock catalogs of Milky Way white dwarf mergers are created with COSMIC and released publicly, summarizing outcomes by mass and composition while varying binary evolution uncertainties to connect with LISA sources.
citing papers explorer
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Eccentricity as a probe of mass-transfer physics. Eccentric mass transfer as a solution to the wide eccentric binary problem
Eccentric mass transfer via the new GeMT model accounts for the eccentric orbits of wide sdB+MS binaries as a direct consequence of mass-transfer physics.
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Mass-Orbital Period Distribution of Massive White Dwarfs Formed Through Stable Mass Transfer
Simulations show that intermediate-mass progenitors with non-degenerate cores before helium burning produce a mass-orbital period relation for massive white dwarfs that accounts for long-period systems.
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Influence of mass transfer stability on the formation of post-common-envelope binaries
Enhanced mass transfer stability explains the observed deficit of post-common-envelope binaries with solar-type companions, with inefficient common envelope evolution (alpha_CE=0.25) providing the best match when combined with magnetic braking and selection effects.
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Characterizing Orbital Parameters of Hot Subdwarf Binaries with Multiple Spectroscopic Surveys
Multi-survey analysis of 157 hot subdwarf binaries yields 23 orbital solutions (11 new) whose mass-period distribution matches post-common-envelope systems, supporting a common-envelope origin.
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The diverse outcomes of binary white dwarf mergers and connections to Galactic LISA sources
Mock catalogs of Milky Way white dwarf mergers are created with COSMIC and released publicly, summarizing outcomes by mass and composition while varying binary evolution uncertainties to connect with LISA sources.