Compact Binary Formation in Open Star Clusters III: Probability of Binary Black Holes Hidden Inside of Gaia Black Hole Binary

The Gaia mission and its follow-up observations have discovered a few candidates of non-interacting single black holes (BHs) and visible stars, Gaia BH1, BH2, and BH3, collectively called "astrometric BH binaries". This paper investigates whether any of these candidates harbor binary BHs (...

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Bibliographic Details
Main Authors: Ataru Tanikawa, Long Wang, Michiko S. Fujii, Alessandro A. Trani, Toshinori Hayashi, Yasushi Suto
Format: Article
Language:English
Published: Maynooth Academic Publishing 2025-06-01
Series:The Open Journal of Astrophysics
Online Access:https://doi.org/10.33232/001c.141294
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