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Dynamically inflated wind models of classical Wolf-Rayet stars
L. G. Poniatowski, J. O. Sundqvist, N. D. Kee +6
Vigorous mass loss in the classical Wolf-Rayet (WR) phase is important for the late evolution and final fate of massive stars. We develop spherically symmetric time-dependent and s…
BAT99 126: A multiple Wolf-Rayet system in the Large Magellanic Cloud with a massive near-contact binary
Soetkin Janssens, Tomer Shenar, Laurent Mahy +3
BAT99 126 is a multiple system in the Large Magellanic Cloud containing a Wolf-Rayet (WR) star, which has a reported spectroscopic (orbital) period of 25.5 days and a photometric (…
Detailed evolutionary models of massive contact binaries: I. Model grids and synthetic populations for the Magellanic Clouds
Athira Menon, Norbert Langer, Selma E. de Mink +8
The majority of close massive binary stars with initial periods of a few days experience a contact phase, in which both stars overflow their Roche lobes simultaneously. We perform…
One Channel to Rule Them All? Constraining the Origins of Binary Black Holes using Multiple Formation Pathways
Michael Zevin, Simone S. Bavera, Christopher P. L. Berry +7
The second LIGO-Virgo catalog of gravitational wave transients has more than quadrupled the observational sample of binary black holes. We analyze this catalog using a suite of fiv…
The impact of mass-transfer physics on the observable properties of field binary black hole populations
Simone S. Bavera, Tassos Fragos, Michael Zevin +13
We study the impact of mass-transfer physics on the observable properties of binary black hole populations formed through isolated binary evolution. We investigate the impact of ma…
Chemically Homogeneous Evolution: A rapid population synthesis approach
Jeff Riley, Ilya Mandel, Pablo Marchant +5
We explore chemically homogeneous evolution (CHE) as a formation channel for massive merging binary black holes (BBHs). We develop methods to include CHE in a rapid binary populati…