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Observational constraints on massive binaries

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arxiv 2410.16114 v1 pith:4PQZJSGS submitted 2024-10-21 astro-ph.SR astro-ph.HE

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keywords massivebinariesstarsbinaryobservedpropertiesacrossbenchmark
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Binary interactions are commonplace among massive stars, giving rise observed phenomena such as X-ray binaries, stripped stars & supernovae, and gravitational-wave sources. The multiplicity properties of massive stars thus represent a fundamental observable to calibrate, test, and benchmark models of single-star and binary evolution. In these proceedings, I provide a modern summary of the observed properties of massive binaries across various metallicities, and discuss open problems in the field.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The Samples and Binary Fractions of Red Supergiant in M31 and M33 by the HST Observations

    astro-ph.SR 2025-05 conditional novelty 6.0 of 10

    About 31-33% of red supergiants in M31 and M33 show ultraviolet excess from hot companions, giving new HST-based binary fractions.

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