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View article: GWTC-4.0: An Introduction to Version 4.0 of the Gravitational-Wave Transient Catalog
GWTC-4.0: An Introduction to Version 4.0 of the Gravitational-Wave Transient Catalog Open
The Gravitational-Wave Transient Catalog (GWTC) is a collection of short-duration (transient) gravitational-wave signals identified by the LIGO–Virgo–KAGRA Collaboration in gravitational-wave data produced by the eponymous detectors. The c…
View article: Tests of general relativity with GWTC-3
Tests of general relativity with GWTC-3 Open
https://journals.aps.org/prd/accepted/17075Qf4Z7b11729787e85f1c18faca230d51e013
View article: GW250114: Testing Hawking’s Area Law and the Kerr Nature of Black Holes
GW250114: Testing Hawking’s Area Law and the Kerr Nature of Black Holes Open
The gravitational-wave signal GW250114 was observed by the two LIGO detectors with a network matched-filter signal-to-noise ratio of 80. The signal was emitted by the coalescence of two black holes with near-equal masses m1=33.6−0.8+1.2M⊙ …
View article: All-sky search for short gravitational-wave bursts in the first part of the fourth LIGO-Virgo-KAGRA observing run
All-sky search for short gravitational-wave bursts in the first part of the fourth LIGO-Virgo-KAGRA observing run Open
We present a search for short-duration gravitational-wave transients in data from the first eight months of Advanced LIGO-Virgo-KAGRA's fourth observing run, denoted O4a. We use four analyses which are sensitive to a wide range of potentia…
View article: Search for Gravitational Waves Emitted from SN 2023ixf
Search for Gravitational Waves Emitted from SN 2023ixf Open
We present the results of a search for gravitational-wave transients associated with core-collapse supernova SN 2023ixf, which was observed in the galaxy Messier 101 via optical emission on 2023 May 19, during the LIGO–Virgo–KAGRA 15th Eng…
View article: Search for Continuous Gravitational Waves from Known Pulsars in the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run
Search for Continuous Gravitational Waves from Known Pulsars in the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run Open
Continuous gravitational waves (CWs) emission from neutron stars carries information about their internal structure and equation of state, and it can provide tests of general relativity. We present a search for CWs from a set of 45 known p…
View article: A Search Using GEO600 for Gravitational Waves Coincident with Fast Radio Bursts from SGR 1935+2154
A Search Using GEO600 for Gravitational Waves Coincident with Fast Radio Bursts from SGR 1935+2154 Open
The magnetar SGR 1935+2154 is the only known Galactic source of fast radio bursts (FRBs). FRBs from SGR 1935+2154 were first detected by the Canadian Hydrogen Intensity Mapping Experiment (CHIME)/FRB and the Survey for Transient Astronomic…
View article: Search for gravitational waves emitted from SN 2023ixf
Search for gravitational waves emitted from SN 2023ixf Open
We present the results of a search for gravitational-wave transients associated with core-collapse supernova SN 2023ixf, which was observed in the galaxy Messier 101 via optical emission on 2023 May 19th, during the LIGO-Virgo-KAGRA 15th E…
View article: A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+2154
A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+2154 Open
The magnetar SGR 1935+2154 is the only known Galactic source of fast radio bursts (FRBs). FRBs from SGR 1935+2154 were first detected by CHIME/FRB and STARE2 in 2020 April, after the conclusion of the LIGO, Virgo, and KAGRA Collaborations'…
View article: Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo
Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo Open
Despite the growing number of binary black hole coalescences confidently observed through gravitational waves so far, the astrophysical origin of these binaries remains uncertain. Orbital eccentricity is one of the clearest tracers of bina…
View article: Ultralight vector dark matter search using data from the KAGRA O3GK run
Ultralight vector dark matter search using data from the KAGRA O3GK run Open
Among the various candidates for dark matter (DM), ultralight vector DM can be probed by laser interferometric gravitational wave detectors through the measurement of oscillating length changes in the arm cavities. In this context, KAGRA h…
View article: Search for Gravitational-lensing Signatures in the Full Third Observing Run of the LIGO–Virgo Network
Search for Gravitational-lensing Signatures in the Full Third Observing Run of the LIGO–Virgo Network Open
Gravitational lensing by massive objects along the line of sight to the source causes distortions to gravitational wave (GW) signals; such distortions may reveal information about fundamental physics, cosmology, and astrophysics. In this w…
View article: Observation of Gravitational Waves from the Coalescence of a 2.5–4.5 M <sub>⊙</sub> Compact Object and a Neutron Star
Observation of Gravitational Waves from the Coalescence of a 2.5–4.5 M <sub>⊙</sub> Compact Object and a Neutron Star Open
We report the observation of a coalescing compact binary with component masses 2.5–4.5 M ⊙ and 1.2–2.0 M ⊙ (all measurements quoted at the 90% credible level). The gravitational-wave signal GW230529_181500 was observed during the fourth ob…
View article: Search for Gravitational-wave Transients Associated with Magnetar Bursts in Advanced LIGO and Advanced Virgo Data from the Third Observing Run
Search for Gravitational-wave Transients Associated with Magnetar Bursts in Advanced LIGO and Advanced Virgo Data from the Third Observing Run Open
Gravitational waves are expected to be produced from neutron star oscillations associated with magnetar giant flares and short bursts. We present the results of a search for short-duration (milliseconds to seconds) and long-duration (∼100 …
View article: Addressing the problem of the LIGO–Virgo–KAGRA visibility in the scientific literature
Addressing the problem of the LIGO–Virgo–KAGRA visibility in the scientific literature Open
View article: GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the third observing run
GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the third observing run Open
The second Gravitational-Wave Transient Catalog, GWTC-2, reported on 39 compact binary coalescences observed by the Advanced LIGO and Advanced Virgo detectors between 1 April 2019 15:00 UTC and 1 October 2019 15:00 UTC. Here, we present GW…
View article: GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the Third Observing Run
GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo during the Second Part of the Third Observing Run Open
Plenary Talk presented at the XX International Workshop on Neutrino Telescopes - Venice 23-27 October 2023
View article: Virgo detector characterization and data quality: tools
Virgo detector characterization and data quality: tools Open
Detector characterization and data quality studies—collectively referred to as DetChar activities in this article—are paramount to the scientific exploitation of the joint dataset collected by the LIGO-Virgo-KAGRA global network of ground-…
View article: Virgo detector characterization and data quality: results from the O3 run
Virgo detector characterization and data quality: results from the O3 run Open
The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected GW signals in the past few years, alongside the two Advanced LIGO instruments. First during the last month of the Observation Run 2 (O2…
View article: Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo
Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo Open
Despite the growing number of confident binary black hole coalescences observed through gravitational waves so far, the astrophysical origin of these binaries remains uncertain. Orbital eccentricity is one of the clearest tracers of binary…
View article: Open Data from the Third Observing Run of LIGO, Virgo, KAGRA, and GEO
Open Data from the Third Observing Run of LIGO, Virgo, KAGRA, and GEO Open
The global network of gravitational-wave observatories now includes five detectors, namely LIGO Hanford, LIGO Livingston, Virgo, KAGRA, and GEO 600. These detectors collected data during their third observing run, O3, composed of three pha…
View article: Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector
Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector Open
In this Letter, we present the design and performance of the frequency-dependent squeezed vacuum source that will be used for the broadband quantum noise reduction of the Advanced Virgo Plus gravitational-wave detector in the upcoming obse…
View article: Constraints on the Cosmic Expansion History from GWTC–3
Constraints on the Cosmic Expansion History from GWTC–3 Open
We use 47 gravitational wave sources from the Third LIGO–Virgo–Kamioka Gravitational Wave Detector Gravitational Wave Transient Catalog (GWTC–3) to estimate the Hubble parameter H ( z ), including its current value, the Hubble constant H 0…
View article: Population of Merging Compact Binaries Inferred Using Gravitational Waves through GWTC-3
Population of Merging Compact Binaries Inferred Using Gravitational Waves through GWTC-3 Open
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. The Gravitational-Wave Transient Catalog 3 (GWTC-3) contains …
View article: Search for subsolar-mass black hole binaries in the second part of Advanced LIGO’s and Advanced Virgo’s third observing run
Search for subsolar-mass black hole binaries in the second part of Advanced LIGO’s and Advanced Virgo’s third observing run Open
We describe a search for gravitational waves from compact binaries with at least one component with mass $0.2$–$1.0 \, \mathrm{M}_\odot$ and mass ratio q ≥ 0.1 in Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO) and Adva…
View article: The Advanced Virgo+ status
The Advanced Virgo+ status Open
The gravitational wave detector Advanced Virgo+ is currently in the commissioning phase in view of the fourth Observing Run (O4). The major upgrades with respect to the Advanced Virgo configuration are the implementation of an additional r…
View article: Advanced Virgo Plus: Future Perspectives
Advanced Virgo Plus: Future Perspectives Open
While completing the commissioning phase to prepare the Virgo interferometer for the next joint Observation Run (O4), the Virgo collaboration is also finalizing the design of the next upgrades to the detector to be employed in the followin…
View article: Model-based Cross-correlation Search for Gravitational Waves from the Low-mass X-Ray Binary Scorpius X-1 in LIGO O3 Data
Model-based Cross-correlation Search for Gravitational Waves from the Low-mass X-Ray Binary Scorpius X-1 in LIGO O3 Data Open
We present the results of a model-based search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1 using LIGO detector data from the third observing run of Advanced LIGO and Advanced Virgo. This is a semicoherent…
View article: The Virgo O3 run and the impact of the environment
The Virgo O3 run and the impact of the environment Open
Sources of geophysical noise (such as wind, sea waves and earthquakes) or of anthropogenic noise impact ground-based gravitational-wave interferometric detectors, causing transient sensitivity worsening and gaps in data taking. During the …
View article: All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data
All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data Open
We present results of an all-sky search for continuous gravitational waves which can be produced by
\nspinning neutron stars with an asymmetry around their rotation axis, using data from the third observing
\nrun of the Advanced LIGO and A…