438 citations · 5.2k across the 57 of their papers we have counts for
57 papers
Gravitational wave inference of star cluster properties from intermediate-mass black hole mergers
Konstantinos Kritos, Luca Reali, Ken K. Y. Ng +2
Next-generation ground-based gravitational wave observatories will observe mergers of intermediate-mass black holes (IMBHs) out to high redshift. Such IMBHs can form through runawa…
A Star Cluster Population of High Mass Black Hole Mergers in Gravitational Wave Data
Fabio Antonini, Isobel M. Romero-Shaw, Thomas Callister
Stellar evolution theories predict a gap in the black hole birth mass spectrum as the result of pair instability processes in the cores of massive stars.This gap, however, is not s…
Black hole binary mergers in dense star clusters: the importance of primordial binaries
Jordan Barber, Debatri Chattopadhyay, Fabio Antonini
Dense stellar clusters are expected to house the ideal conditions for binary black hole (BBH) formation, both through binary stellar evolution and through dynamical encounters. We…
Imprints of massive black-hole binaries on neighbouring decihertz gravitational-wave sources
Jakob Stegmann, Lorenz Zwick, Sander M. Vermeulen +2
The most massive black holes in our Universe form binaries at the centre of merging galaxies. The recent evidence for a gravitational-wave (GW) background from pulsar timing may co…
Double black hole mergers in nuclear star clusters: eccentricities, spins, masses, and the growth of massive seeds
Debatri Chattopadhyay, Jakob Stegmann, Fabio Antonini +2
We investigate the formation of intermediate mass black holes (IMBHs) through hierarchical mergers of stellar origin black holes (BHs), as well as BH mergers formed dynamically in…
Coalescing black hole binaries from globular clusters: mass distributions and comparison to gravitational wave data from GWTC-3
Fabio Antonini, Mark Gieles, Fani Dosopoulou +1
We use our cluster population model, cBHBd, to explore the mass distribution of merging black hole binaries formed dynamically in globular clusters. We include in our models the ef…
Binary black hole mergers from merged stars in the Galactic field
Jakob Stegmann, Fabio Antonini, Fabian R. N. Schneider +2
The majority of massive stars are found in close binaries which: (i) are prone to merge and (ii) are accompanied by another distant tertiary star (triples). Here, we study the evol…
Astrophysics with the Laser Interferometer Space Antenna
Pau Amaro Seoane, Jeff Andrews, Manuel Arca Sedda +156
The Laser Interferometer Space Antenna (LISA) will be a transformative experiment for gravitational wave astronomy, and, as such, it will offer unique opportunities to address many…
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…
Evolution of massive stellar triples and implications for compact object binary formation
Jakob Stegmann, Fabio Antonini, Maxwell Moe
Most back hole and neutron star progenitors are found in triples or higher multiplicity systems. Here, we present a new triple stellar evolution code, , which simultaneo…
The population of merging compact binaries inferred using gravitational waves through GWTC-3
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1634
We report on the population properties of compact binary mergers inferred from gravitational-wave observations of these systems during the first three LIGO-Virgo observing runs. Th…
Formation of counter-rotating and highly eccentric massive black hole binaries in galaxy mergers
Imran Nasim, Cristobal Petrovich, Adam Nasim +2
Supermassive black hole (SMBH) binaries represent the main target for missions such as the Laser Interferometer Space Antenna and Pulsar Timing Arrays. The understanding of their d…
A supra-massive population of stellar-mass black holes in the globular cluster Palomar 5
Mark Gieles, Denis Erkal, Fabio Antonini +2
Palomar 5 is one of the sparsest star clusters in the Galactic halo and is best-known for its spectacular tidal tails, spanning over 20 degrees across the sky. With N-body simulati…
Flipping spins in mass transferring binaries and origin of spin-orbit misalignment in binary black holes
Jakob Stegmann, Fabio Antonini
Close stellar binaries are prone to undergo a phase of stable mass transfer in which a star loses mass to its companion. Assuming that the donor star loses mass along the instantan…
One Channel to Rule Them All? Constraining the Origins of Binary Black Holes using Multiple Formation Pathways
Michael Zevin, Simone S. Bavera, Christopher P. L. Berry +7
The second LIGO-Virgo catalog of gravitational wave transients has more than quadrupled the observational sample of binary black holes. We analyze this catalog using a suite of fiv…
Formation of the largest galactic cores through binary scouring and gravitational wave recoil
Imran Nasim, Alessia Gualandris, Justin I. Read +3
Massive elliptical galaxies are typically observed to have central cores in their projected radial light profiles. Such cores have long been thought to form through `binary scourin…
Merger rate of black hole binaries from globular clusters: theoretical error bars and comparison to gravitational wave data from GWTC-2
Fabio Antonini, Mark Gieles
Black hole binaries formed dynamically in globular clusters are believed to be one of the main sources of gravitational waves in the Universe. Here, we use our new population synth…
Defeating stochasticity: coalescence timescales of massive black holes in galaxy mergers
Imran Nasim, Alessia Gualandris, Justin Read +3
The coalescence of massive black hole binaries (BHBs) in galactic mergers is the primary source of gravitational waves (GWs) at low frequencies. Current estimates of GW detection r…
Population synthesis of black hole binary mergers from star clusters
Fabio Antonini, Mark Gieles
Black hole (BH) binary mergers formed through dynamical interactions in dense star clusters are believed to be one of the main sources of gravitational waves for Advanced LIGO and…
Massive binary star mergers in galactic nuclei: implications for blue stragglers, binary S-stars and gravitational waves
Giacomo Fragione, Fabio Antonini
Galactic nuclei are often found to contain young stellar populations and, in most cases, a central supermassive black hole (SMBH). Most known massive stars are found in binaries or…
Black hole growth through hierarchical black hole mergers in dense star clusters: implications for gravitational wave detections
Fabio Antonini, Mark Gieles, Alessia Gualandris
In a star cluster with a sufficiently large escape velocity, black holes (BHs) that are produced by BH mergers can be retained, dynamically form new BH binaries, and merge again. T…
Millisecond pulsars and the gamma-ray excess in Andromeda
Giacomo Fragione, Fabio Antonini, Oleg Y. Gnedin
The Fermi Gamma-Ray Space Telescope has provided evidence for diffuse gamma-ray emission in the central parts of the Milky Way and the Andromeda galaxy. This excess has been interp…
The impact of vector resonant relaxation on the evolution of binaries near a massive black hole: implications for gravitational wave sources
Adrian S. Hamers, Ben Bar-Or, Cristobal Petrovich +1
Binaries within the sphere of influence of a massive black hole (MBH) in galactic nuclei are susceptible to the Lidov-Kozai (LK) mechanism, which can drive orbits to high eccentric…
A Triple Origin for the Heavy and Low-Spin Binary Black Holes Detected by LIGO/Virgo
Carl L. Rodriguez, Fabio Antonini
We explore the masses, merger rates, eccentricities, and spins for field binary black holes driven to merger by a third companion through the Lidov-Kozai mechanism. Using a populat…