503 citations · 3.3k across the 42 of their papers we have counts for
42 papers
A subpopulation of low-mass, spinning black holes: signatures of dynamical assembly
Hui Tong, Thomas A. Callister, Maya Fishbach +5
Gravitational-wave observations of massive, rapidly spinning binary black holes mergers provide increasing evidence for the dynamical origin of some mergers. Previous studies have…
The birth mass function of neutron stars
Zhi-Qiang You, Xingjiang Zhu, Xiaojin Liu +12
The birth mass function of neutron stars encodes rich information about supernova explosions, double star evolution, and properties of matter under extreme conditions. To date, it…
Rapid localization and inference on compact binary coalescences with the Advanced LIGO-Virgo-KAGRA gravitational-wave detector network
Soichiro Morisaki, Rory Smith, Leo Tsukada +4
We present a rapid parameter estimation framework for compact binary coalescence (CBC) signals observed by the LIGO-Virgo-KAGRA (LVK) detector network. The goal of our framework is…
Modelling stellar evolution in mass-transferring binaries and gravitational-wave progenitors with METISSE
Poojan Agrawal, Jarrod Hurley, Simon Stevenson +3
Massive binaries are vital sources of various transient processes, including gravitational-wave mergers. However, large uncertainties in the evolution of massive stars, both physic…
Discovery of 37 new pulsars through GPU-accelerated reprocessing of archival data of the Parkes Multibeam Pulsar Survey
R. Sengar, M. Bailes, V. Balakrishnan +7
We present the discovery of 37 pulsars from 20 years old archival data of the Parkes Multibeam Pulsar Survey using a new FFT-based search pipeline optimised for discovering…
Constraints on the contributions to the observed binary black hole population from individual evolutionary pathways in isolated binary evolution
Simon Stevenson, Teagan Clarke
Gravitational waves from merging binary black holes can be used to shed light on poorly understood aspects of massive binary stellar evolution, such as the evolution of massive sta…
The High Time Resolution Universe Pulsar Survey -- XVII. PSR J1325-6253, a low eccentricity double neutron star system from an ultra-stripped supernova
R. Sengar, V. Balakrishnan, S. Stevenson +20
The observable population of double neutron star (DNS) systems in the Milky Way allow us to understand the nature of supernovae and binary stellar evolution. Until now, all DNS sys…
Wide binary pulsars from electron-capture supernovae
Simon Stevenson, Reinhold Willcox, Alejandro Vigna-Gomez +1
Neutron stars receive velocity kicks at birth in supernovae. Those formed in electron-capture supernovae from super asymptotic giant branch stars -- the lowest mass stars to end th…
Signatures of mass ratio reversal in gravitational waves from merging binary black holes
Floor S. Broekgaarden, Simon Stevenson, Eric Thrane
The spins of merging binary black holes offer insights into their formation history. Recently it has been argued that in isolated binary evolution of two massive stars the firstbor…
Modelling the formation of the first two neutron star-black hole mergers, GW200105 and GW200115: metallicity, chirp masses and merger remnant spins
Debatri Chattopadhyay, Simon Stevenson, Floor Broekgaarden +2
The two neutron star-black hole mergers (GW200105 and GW200115) observed in gravitational waves by advanced LIGO and Virgo, mark the first ever discovery of such binaries in nature…
Biases in estimates of black hole kicks from the spin distribution of binary black holes
Simon Stevenson
A population of more than 50 binary black hole mergers has now been observed by the LIGO and Virgo gravitational-wave observatories. While neutron stars are known to have large vel…
Dynamical double black holes and their host cluster properties
Debatri Chattopadhyay, Jarrod Hurley, Simon Stevenson +1
We investigate the relationship between the global properties of star clusters and their double black hole (DBH) populations. We use the code {\tt NBODY6} to evolve a suite of star…
Linking the rates of neutron star binaries and short gamma-ray bursts
Nikhil Sarin, Paul D. Lasky, Francisco H. Vivanco +4
Short gamma-ray bursts are believed to be produced by both binary neutron star (BNS) and neutron star-black hole (NSBH) mergers. We use current estimates for the BNS and NSBH merge…
Impact of Massive Binary Star and Cosmic Evolution on Gravitational Wave Observations II: Double Compact Object Rates and Properties
Floor S. Broekgaarden, Edo Berger, Simon Stevenson +9
Making the most of the rapidly increasing population of gravitational-wave detections of black hole (BH) and neutron star (NS) mergers requires comparing observations with populati…
A systematic study of super-Eddington layers in the envelopes of massive stars
Poojan Agrawal, Simon Stevenson, Dorottya Szécsi +1
The proximity to the Eddington luminosity has been attributed as the cause of several observed effects in massive stars. Computationally, if the luminosity carried through radiatio…
Explaining the differences in massive star models from various simulations
Poojan Agrawal, Dorottya Szécsi, Simon Stevenson +2
The evolution of massive stars is the basis of several astrophysical investigations, from predicting gravitational-wave event rates to studying star-formation and stellar populatio…
Rapid stellar and binary population synthesis with COMPAS
Team COMPAS, :, Jeff Riley +23
Compact Object Mergers: Population Astrophysics and Statistics (COMPAS; https://compas.science) is a public rapid binary population synthesis code. COMPAS generates populations of…
The Uncertain Future of Massive Binaries Obscures the Origin of LIGO/Virgo Sources
K. Belczynski, A. Romagnolo, A. Olejak +6
The LIGO/Virgo gravitational--wave observatories have detected 50 BH-BH coalescences. This sample is large enough to have allowed several recent studies to draw conclusions about t…
Constraints on Weak Supernova Kicks from Observed Pulsar Velocities
Reinhold Willcox, Ilya Mandel, Eric Thrane +3
Observations of binary pulsars and pulsars in globular clusters suggest that at least some pulsars must receive weak natal kicks at birth. If all pulsars received strong natal kick…
Impact of Massive Binary Star and Cosmic Evolution on Gravitational Wave Observations I: Black Hole-Neutron Star Mergers
Floor S. Broekgaarden, Edo Berger, Coenraad J. Neijssel +7
Mergers of black hole-neutron star (BHNS) binaries have now been observed by GW detectors with the recent announcement of GW200105 and GW200115. Such observations not only provide…
Modelling Neutron Star-Black Hole Binaries: Future Pulsar Surveys and Gravitational Wave Detectors
Debatri Chattopadhyay, Simon Stevenson, Jarrod R. Hurley +2
Binaries comprised of a neutron star (NS) and a black hole (BH) have so far eluded observations as pulsars and with gravitational waves (GWs). We model the formation and evolution…
Heavy double neutron stars: birth, mid-life and death
Shanika Galaudage, Christian Adamcewicz, Xing-Jiang Zhu +2
Radio pulsar observations probe the lives of Galactic double neutron-star (DNS) systems while gravitational waves enable us to study extragalactic DNS in their final moments. By co…
Bayesian inference for compact binary coalescences with BILBY: Validation and application to the first LIGO--Virgo gravitational-wave transient catalogue
I. M. Romero-Shaw, C. Talbot, S. Biscoveanu +56
Gravitational waves provide a unique tool for observational astronomy. While the first LIGO--Virgo catalogue of gravitational-wave transients (GWTC-1) contains eleven signals from…
The fates of massive stars: exploring uncertainties in stellar evolution with METISSE
Poojan Agrawal, Jarrod Hurley, Simon Stevenson +2
In the era of advanced electromagnetic and gravitational wave detectors, it has become increasingly important to effectively combine and study the impact of stellar evolution on bi…