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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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.
Reconstruction of GRO J1655-40, SAX J1819.3-2525 and 4U 1543-47 requires CE efficiencies α_0.5U ≳6.7, α_U ≳4.2, α_H ≳1.7 with no solutions below unity, implying need for additional energy or formalism changes plus natal kicks ≳50 km/s for 4U 1543-47.
Updated O-C diagrams for Kepler-451 favor a circumbinary planet at 3.4 AU after removing likely magnetic signals, with other LTT terms possibly systematic or magnetic in origin.
citing papers explorer
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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.
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A Path to Constraints on Common Envelope Ejection in Massive Binaries: Full Evolutionary Reconstruction of Three Black Hole X-ray Binaries
Reconstruction of GRO J1655-40, SAX J1819.3-2525 and 4U 1543-47 requires CE efficiencies α_0.5U ≳6.7, α_U ≳4.2, α_H ≳1.7 with no solutions below unity, implying need for additional energy or formalism changes plus natal kicks ≳50 km/s for 4U 1543-47.
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Investigating the System Configuration of Kepler-451 through Orbital Period Variations: Dynamical and Magnetic Interpretations
Updated O-C diagrams for Kepler-451 favor a circumbinary planet at 3.4 AU after removing likely magnetic signals, with other LTT terms possibly systematic or magnetic in origin.
- Formation of extremely low-mass white dwarf binaries undergoing enhanced angular momentum loss