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Shock cooling and breakout emission for optical flares associated with gravitational wave events
Hiromichi Tagawa, Shigeo S. Kimura, Zoltán Haiman +2
The astrophysical origin of stellar-mass black hole (BH) mergers discovered through gravitational waves (GWs) is widely debated. Mergers in the disks of active galactic nuclei (AGN…
High-energy electromagnetic, neutrino, and cosmic-ray emission by stellar-mass black holes in disks of active galactic nuclei
Hiromichi Tagawa, Shigeo S. Kimura, Zoltán Haiman
Some Seyfert galaxies are detected in high-energy gamma rays, but the mechanism and site of gamma-ray emission are unknown. Also, the origins of the cosmic high-energy neutrino and…
Flares from stars crossing active galactic nuclei disks on low-inclination orbits
Hiromichi Tagawa, Zoltán Haiman
The origin of the recently discovered new class of transients, X-ray quasi-periodic eruptions (QPEs), remains a puzzle. Due to their periodicity and association with active galacti…
Observable signatures of stellar-mass black holes in active galactic nuclei
Hiromichi Tagawa, Shigeo S. Kimura, Zoltán Haiman +2
Stellar-mass black holes (BHs) are predicted to be embedded in the disks of active galactic nuclei (AGN) due to gravitational drag and in-situ star formation. However, clear eviden…
Gravitational wave source populations: Disentangling an AGN component
V. Gayathri, Daniel Wysocki, Y. Yang +4
The astrophysical origin of the over 90 compact binary mergers discovered by the LIGO and Virgo gravitational wave observatories is an open question. While the unusual mass and spi…
Observable signature of merging stellar-mass black holes in active galactic nuclei
Hiromichi Tagawa, Shigeo S. Kimura, Zoltán Haiman +2
The origin of stellar-mass black hole mergers discovered through gravitational waves is being widely debated. Mergers in the disks of active galactic nuclei (AGN) represent a promi…