The Evolution of Massive Binary Stars

P Marchant, J Bodensteiner - Annual Review of Astronomy and …, 2023 - annualreviews.org
Massive stars play a major role in the evolution of their host galaxies and serve as important
probes of the distant Universe. It has been established that the majority of massive stars …

No massive black holes in the Milky Way halo

P Mróz, A Udalski, MK Szymański, I Soszyński… - Nature, 2024 - nature.com
The gravitational wave detectors have shown a population of massive black holes that do
not resemble those observed in the Milky Way,–and whose origin is debated,–. According to …

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 …

Curious case of GW200129: Interplay between spin-precession inference and data-quality issues

E Payne, S Hourihane, J Golomb, R Udall, D Davis… - Physical Review D, 2022 - APS
Measurement of spin-precession in black hole binary mergers observed with gravitational
waves is an exciting milestone as it relates to both general relativistic dynamics and …

Subtracting glitches from gravitational-wave detector data during the third LIGO-Virgo observing run

D Davis, TB Littenberg, IM Romero-Shaw… - … and Quantum Gravity, 2022 - iopscience.iop.org
Data from ground-based gravitational-wave detectors contains numerous short-duration
instrumental artifacts, called'glitches'. The high rate of these artifacts in turn results in a …

Eccentricity or spin precession? Distinguishing subdominant effects in gravitational-wave data

IM Romero-Shaw, D Gerosa… - Monthly Notices of the …, 2023 - academic.oup.com
Eccentricity and spin precession are key observables in gravitational-wave astronomy,
encoding precious information about the astrophysical formation of compact binaries …

Residual eccentricity as a systematic uncertainty on the formation channels of binary black holes

G Fumagalli, I Romero-Shaw, D Gerosa, V De Renzis… - Physical Review D, 2024 - APS
Resolving the formation channel (s) of merging binary black holes is a key goal in
gravitational-wave astronomy. The orbital eccentricity is believed to be a precious tracer of …

Phenomenological gravitational-wave model for precessing black-hole binaries with higher multipoles and asymmetries

JE Thompson, E Hamilton, L London, S Ghosh… - Physical Review D, 2024 - APS
In this work we introduce phenomxo4a, the first phenomenological, frequency-domain
gravitational waveform model to incorporate multipole asymmetries and precession angles …

First frequency-domain phenomenological model of the multipole asymmetry in gravitational-wave signals from binary-black-hole coalescence

S Ghosh, P Kolitsidou, M Hannam - Physical Review D, 2024 - APS
Gravitational-wave signals from binaries that contain spinning black holes in general include
an asymmetry between the+ m and-m multipoles that is not included in most signal models …

Numerical relativity surrogate model with memory effects and post-Newtonian hybridization

J Yoo, K Mitman, V Varma, M Boyle, SE Field, N Deppe… - Physical Review D, 2023 - APS
Numerical relativity simulations provide the most precise templates for the gravitational
waves produced by binary black hole mergers. However, many of these simulations use an …