A Light in the Dark: Searching for Electromagnetic Counterparts to Black Hole–Black Hole Mergers in LIGO/Virgo O3 with the Zwicky Transient Facility

MJ Graham, B McKernan, KES Ford… - The Astrophysical …, 2023 - iopscience.iop.org
The accretion disks of active galactic nuclei (AGNs) are promising locations for the merger of
compact objects detected by gravitational wave (GW) observatories. Embedded within a …

Observable signature of merging stellar-mass black holes in active galactic nuclei

H Tagawa, SS Kimura, Z Haiman… - The Astrophysical …, 2023 - iopscience.iop.org
The origin of stellar-mass black hole mergers discovered through gravitational waves is
being widely debated. Mergers in the disks of active galactic nuclei (AGNs) represent a …

GW190521: A binary black hole merger inside an active galactic nucleus?

SL Morton, S Rinaldi, A Torres-Orjuela, A Derdzinski… - Physical Review D, 2023 - APS
GW190521, the most massive binary black hole merger confidently detected by the LIGO-
Virgo-KAGRA Collaboration, is the first gravitational-wave observation of an intermediate …

High-energy electromagnetic, neutrino, and cosmic-ray emission by stellar-mass black holes in disks of active galactic nuclei

H Tagawa, SS Kimura, Z Haiman - The Astrophysical Journal, 2023 - iopscience.iop.org
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 …

Can stellar-mass black hole growth disrupt disks of active galactic nuclei? The role of mechanical feedback

H Tagawa, SS Kimura, Z Haiman, R Perna… - The Astrophysical …, 2022 - iopscience.iop.org
Stellar-mass BHs (sBHs) are predicted to be embedded in active galactic nucleus (AGN)
disks owing to gravitational drag and in situ star formation. However, we find that, due to a …

3D global simulations of accretion onto gap-opening planets: implications for circumplanetary disc structures and accretion rates

YP Li, YX Chen, DNC Lin - Monthly Notices of the Royal …, 2023 - academic.oup.com
We perform a series of 3D simulations to study the accretion of giant planet embedded in
protoplanetary discs (PPDs) over gap-opening time-scales. We find that the accretion mass …

Observable signatures of stellar-mass black holes in active galactic nuclei

H Tagawa, SS Kimura, Z Haiman… - The Astrophysical …, 2023 - iopscience.iop.org
Stellar-mass black holes (BHs) are predicted to be embedded in the disks of active galactic
nuclei (AGNs) due to gravitational drag and in situ star formation. However, clear evidence …

The Role of Outflow Feedback on Accretion of Compact Objects in Accretion Disk of Active Galactic Nuclei

K Chen, J Ren, ZG Dai - The Astrophysical Journal, 2023 - iopscience.iop.org
Compact objects (COs) can exist and evolve in an active galactic nuclei (AGN) disk,
triggering a series of attractive CO-related multimessenger events around a supermassive …

Prompt emission of γ-ray bursts in the high-density environment of active galactic nucleus accretion disks

D Lazzati, G Soares, R Perna - The Astrophysical Journal Letters, 2022 - iopscience.iop.org
Long and short γ-ray bursts (GRBs) are traditionally associated with galactic environments,
where circumburst densities are small or moderate (few to hundreds of protons per cubic …

Supercritical accretion of stellar-mass compact objects in active galactic nuclei

Z Pan, H Yang - The Astrophysical Journal, 2021 - iopscience.iop.org
Accretion disks of active galactic nuclei (AGNs) have been proposed as promising sites for
producing both (stellar-mass) compact object mergers and extreme mass ratio inspirals …