980 citations · 7.3k across the 107 of their papers we have counts for
54 papers · 1 filter
Signatures of a subpopulation of hierarchical mergers in the GWTC-4 gravitational-wave dataset
Cailin Plunkett, Thomas Callister, Michael Zevin +1
Repeated black-hole mergers in dense stellar clusters are a plausible mechanism to populate the predicted gap in black hole masses due to the pair-instability supernova process. Th…
Characterizing Gravitational Wave Detector Networks: From A to Cosmic Explorer
Ish Gupta, Chaitanya Afle, K. G. Arun +44
Gravitational-wave observations by the Laser Interferometer Gravitational-Wave Observatory (LIGO) and Virgo have provided us a new tool to explore the Universe on all scales from n…
The orientations of the binary black holes in GWTC-3
Salvatore Vitale, Sylvia Biscoveanu, Colm Talbot
It is expected that the orbital planes of gravitational-wave (GW) sources are isotropically distributed. However, both physical and technical factors, such as alternate theories of…
Impact of calibration uncertainties on Hubble constant measurements from gravitational-wave sources
Yiwen Huang, Hsin-Yu Chen, Carl-Johan Haster +3
Gravitational-wave (GW) detections of electromagnetically bright compact binary coalescences can provide an independent measurement of the Hubble constant . In order to obtain…
Snowmass2021 Cosmic Frontier White Paper: Future Gravitational-Wave Detector Facilities
Stefan W. Ballmer, Rana Adhikari, Leonardo Badurina +14
The next generation of gravitational-wave observatories can explore a wide range of fundamental physics phenomena throughout the history of the universe. These phenomena include ac…
The Next Generation Global Gravitational Wave Observatory: The Science Book
Vicky Kalogera, B. S. Sathyaprakash, Matthew Bailes +88
The next generation of ground-based gravitational-wave detectors will observe coalescences of black holes and neutron stars throughout the cosmos, thousands of them with exceptiona…
Measuring the spins of heavy binary black holes
Sylvia Biscoveanu, Maximiliano Isi, Vijay Varma +1
An accurate and precise measurement of the spins of individual merging black holes is required to understand their origin. While previous studies have indicated that most of the sp…
Searching for a subpopulation of primordial black holes in LIGO/Virgo gravitational-wave data
Gabriele Franciolini, Vishal Baibhav, Valerio De Luca +6
With several dozen binary black hole events detected by LIGO/Virgo to date and many more expected in the next few years, gravitational-wave astronomy is shifting from individual-ev…
Bayesian inference for gravitational waves from binary neutron star mergers in third-generation observatories
Rory Smith, Ssohrab Borhanian, Bangalore Sathyaprakash +10
Third-generation (3G) gravitational-wave detectors will observe thousands of coalescing neutron star binaries with unprecedented fidelity. Extracting the highest precision science…
All-sky search in early O3 LIGO data for continuous gravitational-wave signals from unknown neutron stars in binary systems
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1369
Rapidly spinning neutron stars are promising sources of persistent, continuous gravitational waves. Detecting such a signal would allow probing of the physical properties of matter…
Constraints on ultralight scalar bosons within black hole spin measurements from LIGO-Virgo's GWTC-2
Ken K. Y. Ng, Salvatore Vitale, Otto A. Hannuksela +1
Clouds of ultralight bosons - such as axions - can form around a rapidly spinning black hole, if the black hole radius is comparable to the bosons' wavelength. The cloud rapidly ex…
The first five years of gravitational-wave astrophysics
Salvatore Vitale
Gravitational waves are ripples in spacetime generated by the acceleration of astrophysical objects. A direct consequence of general relativity, they were first directly observed i…
physiCal: A physical approach to the marginalization of LIGO calibration uncertainties
Salvatore Vitale, Carl-Johan Haster, Ling Sun +4
The data from ground based gravitational-wave detectors such as Advanced LIGO and Virgo must be calibrated to convert the digital output of photodetectors into a relative displacem…
Multiband gravitational-wave searches for ultralight bosons
Ken K. Y. Ng, Maximiliano Isi, Carl-Johan Haster +1
Gravitational waves may be one of the few direct observables produced by ultralight bosons, conjectured dark matter candidates that could be the key to several problems in particle…
Statistical and systematic uncertainties in extracting the source properties of neutron star - black hole binaries with gravitational waves
Yiwen Huang, Carl-Johan Haster, Salvatore Vitale +3
Gravitational waves emitted by neutron star black hole mergers encode key properties of neutron stars - such as their size, maximum mass and spins - and black holes. However, the p…
Source properties of the lowest signal-to-noise-ratio binary black hole detections
Yiwen Huang, Carl-Johan Haster, Salvatore Vitale +6
We perform a detailed parameter estimation study of binary black hole merger events reported in Zackay et al. and Venumadhav et al.. These are some of the faintest signals reported…
Machine-learning non-stationary noise out of gravitational wave detectors
Gabriele Vajente, Yiwen Huang, Maximiliano Isi +4
Signal extraction out of background noise is a common challenge in high precision physics experiments, where the measurement output is often a continuous data stream. To improve th…
Searching for ultralight bosons within spin measurements of a population of binary black hole mergers
Ken K. Y. Ng, Otto A. Hannuksela, Salvatore Vitale +1
Ultralight bosons can form clouds around rotating black holes if their Compton wavelength is comparable to the black hole size. The boson cloud spins down the black hole through a…
On the properties of the massive binary black hole merger GW170729
Katerina Chatziioannou, Roberto Cotesta, Sudarshan Ghonge +53
We present a detailed investigation into the properties of GW170729, the gravitational wave with the most massive and distant source confirmed to date. We employ an extensive set o…
Characterization of low-significance gravitational-wave compact binary sources
Yiwen Huang, Hannah Middleton, Ken K. -Y. Ng +2
Advanced LIGO and Virgo have so far detected gravitational waves from 10 binary black hole mergers (BBH) and 1 binary neutron star merger (BNS). In the future, we expect the detect…
Mitigation of the instrumental noise transient in gravitational-wave data surrounding GW170817
Chris Pankow, Katerina Chatziioannou, Eve A. Chase +9
In the coming years gravitational-wave detectors will undergo a series of improvements, with an increase in their detection rate by about an order of magnitude. Routine detections…
Characterization of binary black holes by heterogeneous gravitational-wave networks
Salvatore Vitale, Chris Whittle
Gravitational waves detected by advanced ground-based detectors have allowed studying the universe in a way which is fully complementary to electromagnetic observations. As more so…
Constraining black hole mimickers with gravitational wave observations
Nathan K. Johnson-McDaniel, Arunava Mukherjee, Rahul Kashyap +3
LIGO and Virgo have recently observed a number of gravitational wave (GW) signals that are fully consistent with being emitted by binary black holes described by general relativity…
Enhancing confidence in the detection of gravitational waves from compact binaries using signal coherence
Maximiliano Isi, Rory Smith, Salvatore Vitale +3
We show that gravitational-wave signals from compact binary mergers may be better distinguished from instrumental noise transients by using Bayesian models that look for signal coh…