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Detailed models of interacting short-period massive binary stars
K. Sen, N. Langer, P. Marchant +10
About a quarter of massive binary stars undergo mass transfer while both stars burn hydrogen at their cores, first on the thermal and then on the nuclear timescale. The nuclear tim…
Uncovering astrometric black hole binaries with massive main-sequence companions with Gaia
S. Janssens, T. Shenar, H. Sana +6
The hunt for compact objects is on. Rarely seen massive binaries with a compact object are a crucial phase in the evolution towards compact object mergers. In Gaia data release 3 (…
Binary Black Hole Formation with Detailed Modeling: Stable Mass Transfer Leads to Lower Merger Rates
Monica Gallegos-Garcia, Christopher P L Berry, Pablo Marchant +1
Rapid binary population synthesis codes are often used to investigate the evolution of compact-object binaries. They typically rely on analytical fits of single-star evolutionary t…
Probing the progenitors of spinning binary black-hole mergers with long gamma-ray bursts
Simone S. Bavera, Tassos Fragos, Emmanouil Zapartas +15
Long-duration gamma-ray bursts are thought to be associated with the core-collapse of massive, rapidly spinning stars and the formation of black holes. However, efficient angular m…
Resolving the dynamical mass tension of the massive binary 9 Sagittarii
M. Fabry, C. Hawcroft, A. J. Frost +4
Direct dynamical mass measurements of stars with masses above 30 M are rare. This is the result of the low yield of the upper initial mass function and the limited number…
Constraining the Overcontact Phase in Massive Binary Evolution I. Mixing in V382 Cyg, VFTS 352, and OGLE SMC-SC10 108086
Michael Abdul-Masih, Hugues Sana, Calum Hawcroft +10
As potential progenitors of several exotic phenomena including gravitational wave sources, magnetic stars, and Be stars, close massive binary systems probe a crucial area of the pa…