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20242026
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astro-ph.HE2026

High-mass binary black hole mergers from detailed binary evolution models

Max M. Briel, Olcay Bıyıklı, Olcay Bıyıklı +11

The paper uses detailed binary evolution simulations to test whether super‑Eddington mass transfer in isolated binaries can produce the observed high‑mass binary black hole mergers…

astro-ph.HE2026

A case for Case A: detailed look at binary black hole formation through stable mass transfer

Max M. Briel, Tassos Fragos, Monica Gallegos-Garcia +8

In isolated binary evolution, binary black hole (BBH) mergers are generally formed through stable mass transfer (SMT) or common envelope evolution. In recent years, the SMT channel…

astro-ph.HE2026

A binary merger product as the direct progenitor of a Type II-P supernova

Zexi Niu, Ning-Chen Sun, Emmanouil Zapartas +16

Type II-P supernovae (SNe II-P) are the most common class of core-collapse SNe in the local Universe and play critical roles in many aspects of astrophysics. Since decades ago theo…

astro-ph.HE2025

HST Deep Upper Limits Rule Out a Surviving Massive Binary Companion to the Type Ic Supernova 2012fh

Benjamin F. Williams, Emmanouil Zapartas, Ori D. Fox +19

Current explanations of the mass-loss mechanism for stripped-envelope supernovae remain divided between single and binary progenitor systems. Here we obtain deep ultraviolet (UV) i…

astro-ph.HE2024

Challenges in Forming Millisecond Pulsar-Black Holes from Isolated Binaries

Camille Liotine, Vicky Kalogera, Jeff J. Andrews +12

Binaries harboring a millisecond pulsar (MSP) and a black hole (BH) are a key observing target for current and upcoming pulsar surveys. We model the formation and evolution of such…