Constraining Wind-driven Accretion onto Gaia BH3 with Chandra
Nico Cappelluti,
Fabio Pacucci,
Günther Hasinger
Abstract:Gaia BH3 is the most massive known stellar-origin black hole in the Milky Way, with a mass M
• ≈ 33 M
⊙. Detected from Gaia’s astrometry, this black hole is in the mass range of those observed via gravitational waves, whose nature is still highly debated. Hosted in a binary system with a companion giant star that is too far away for Roche-lobe mass transfer, this black hole could nonetheless accrete at low levels due to wind-driven mass loss from its companion star, thus acc… Show more
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