Circumbinary accretion: From binary stars to massive binary black holes
We review recent works on the dynamics of circumbinary accretion, including time variability,
angular momentum transfer between the disk and the binary, and the secular evolution of …
angular momentum transfer between the disk and the binary, and the secular evolution of …
[HTML][HTML] The NANOGrav 15 yr data set: Constraints on supermassive black hole binaries from the gravitational-wave background
G Agazie, A Anumarlapudi, AM Archibald… - The Astrophysical …, 2023 - iopscience.iop.org
The NANOGrav 15 yr data set shows evidence for the presence of a low-frequency
gravitational-wave background (GWB). While many physical processes can source such low …
gravitational-wave background (GWB). While many physical processes can source such low …
GWTC-3: Compact binary coalescences observed by LIGO and Virgo during the second part of the third observing run
R Abbott, TD Abbott, F Acernese, K Ackley, C Adams… - Physical Review X, 2023 - APS
The third Gravitational-Wave Transient Catalog (GWTC-3) describes signals detected with
Advanced LIGO and Advanced Virgo up to the end of their third observing run. Updating the …
Advanced LIGO and Advanced Virgo up to the end of their third observing run. Updating the …
The NANOGrav 15 yr data set: Bayesian limits on gravitational waves from individual supermassive black hole binaries
G Agazie, A Anumarlapudi, AM Archibald… - The Astrophysical …, 2023 - iopscience.iop.org
Evidence for a low-frequency stochastic gravitational-wave background has recently been
reported based on analyses of pulsar timing array data. The most likely source of such a …
reported based on analyses of pulsar timing array data. The most likely source of such a …
[HTML][HTML] On networks of space-based gravitational-wave detectors
RG Cai, ZK Guo, B Hu, C Liu, Y Lu, WT Ni… - Fundamental …, 2024 - Elsevier
The space-based laser interferometers, LISA, Taiji and TianQin, are targeting to observe
milliHz gravitational waves (GWs) in the 2030s. The joint observations from multiple space …
milliHz gravitational waves (GWs) in the 2030s. The joint observations from multiple space …
Evidence of large recoil velocity from a black hole merger signal
The final black hole left behind after a binary black hole merger can attain a recoil velocity,
or a “kick,” reaching values up to 5000 km/s. This phenomenon has important implications …
or a “kick,” reaching values up to 5000 km/s. This phenomenon has important implications …
A close quasar pair in a disk–disk galaxy merger at z = 2.17
Galaxy mergers produce pairs of supermassive black holes (SMBHs), which may be
witnessed as dual quasars if both SMBHs are rapidly accreting. The kiloparsec (kpc)-scale …
witnessed as dual quasars if both SMBHs are rapidly accreting. The kiloparsec (kpc)-scale …
Disappearing thermal X-ray emission as a tell-tale signature of merging massive black hole binaries
LM Krauth, J Davelaar, Z Haiman… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT The upcoming Laser Interferometer Space Antenna (LISA) is expected to detect
gravitational waves (GWs) from massive black hole binaries (MBHB). Finding the …
gravitational waves (GWs) from massive black hole binaries (MBHB). Finding the …
Measuring the propagation speed of gravitational waves with LISA
The propagation speed of gravitational waves, c T, has been tightly constrained by the
binary neutron star merger GW170817 and its electromagnetic counterpart, under the …
binary neutron star merger GW170817 and its electromagnetic counterpart, under the …
[HTML][HTML] GRMHD study of accreting massive black hole binaries in astrophysical environment: A review
F Cattorini, B Giacomazzo - Astroparticle Physics, 2024 - Elsevier
We present an overview of recent numerical advances in the theoretical characterization of
massive binary black hole (MBBH) mergers in astrophysical environments. These systems …
massive binary black hole (MBBH) mergers in astrophysical environments. These systems …