activity
20112026
most citedGravitational Waves and Gamma-rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A

3.6k citations · 33.8k across the 111 of their papers we have counts for

collaborators

111 papers

astro-ph.IM2026

LIGO A: Detector Design and Science Prospects Beyond A+

L. Sun, K. Kuns, B. J. J. Slagmolen +1153

We present the LIGO A detector concept, an upgrade for the LIGO observatories based on room-temperature interferometers beyond the fifth observing run (O5). Building on th…

gr-qc2026

The Cost of Circularity: Quantifying Eccentricity-Induced Biases in Binary Black Hole Inference

Tamal RoyChowdhury, V. Gayathri, Rossella Gamba +3

Dynamically assembled binary black holes are expected to retain measurable orbital eccentricity in the LIGO-Virgo-KAGRA band, but most parameter estimation analyses still assume qu…

astro-ph.HE2025

Reconstructing the origin of black hole mergers using sparse astrophysical models

V. Gayathri, Giuliano Iorio, Hiromichi Tagawa +8

The astrophysical origin of binary black hole mergers discovered by LIGO and Virgo remains uncertain. Efforts to reconstruct the processes that lead to mergers typically rely on ei…

gr-qc2025★ 3 cited

Leveraging cross-detector parameter consistency measures to enhance sensitivities of gravitational wave searches

Sayantan Ghosh, Leigh Smith, Jiyoon Sun +3

All-sky searches for generic short-duration astrophysical GW transients are often challenging because of noise transients. Developing novel signal-noise discriminators is crucial f…

gr-qc2024

Inferring additional physics through unmodelled signal reconstructions

Rimo Das, V. Gayathri, Divyajyoti +4

Parameter estimation of gravitational wave data is often computationally expensive, requiring simplifying assumptions such as circularisation of binary orbits. Although, if include…

astro-ph.HE2024

Gravitational Waves Detected by a Burst Search in LIGO/Virgo's Third Observing Run

Tanmaya Mishra, Shubhagata Bhaumik, V. Gayathri +3

Burst searches identify gravitational-wave (GW) signals in the detector data without use of a specific signal model, unlike the matched-filter searches that correlate data with sim…

gr-qc2024★ 1 cited

Gravitational Wave Detector Sensitivity to Eccentric Black Hole Mergers

Shubhagata Bhaumik, V. Gayathri, Imre Bartos +8

Orbital eccentricity in compact binary mergers carries crucial information about the binary's formation and environment. There are emerging signs that some of the mergers detected…

gr-qc2024★ 7 cited

Enhancing search pipelines for short gravitational wave transients with Gaussian mixture modelling

Leigh Smith, Sayantan Ghosh, Jiyoon Sun +3

We present an enhanced method for the application of Gaussian Mixture Modelling (GMM) to the coherent WaveBurst (cWB) algorithm in the search for short-duration gravitational wave…

astro-ph.HE2023★ 1 cited

Do gravitational wave observations in the lower mass gap favor a hierarchical triple origin?

V. Gayathri, I. Bartos, S. Rosswog +4

Observations of compact objects in Galactic binaries have provided tentative evidence of a dearth of masses in the so-called lower mass gap M. Nevertheless, two…

astro-ph.HE2023★ 3 cited

An Optically Targeted Search for Gravitational Waves emitted by Core-Collapse Supernovae during the Third Observing Run of Advanced LIGO and Advanced Virgo

Marek J. Szczepańczyk, Yanyan Zheng, Javier M. Antelis +35

We present the results from a search for gravitational-wave transients associated with core-collapse supernovae observed optically within 30 Mpc during the third observing run of A…

astro-ph.HE2023★ 1 cited

Hierarchical Triples as Early Sources of -process Elements

I. Bartos, S. Rosswog, V. Gayathri +3

Neutron star mergers have been proposed as the main source of heavy -process nucleosynthesis in the Universe. However, the mergers' significant expected delay after binary forma…

gr-qc2023★ 21 cited

Gravitational wave source populations: Disentangling an AGN component

V. Gayathri, Daniel Wysocki, Y. Yang +4

The astrophysical origin of the over 90 compact binary mergers discovered by the LIGO and Virgo gravitational wave observatories is an open question. While the unusual mass and spi…

gr-qc2022★ 29 cited

Search for gravitational-wave bursts in the third Advanced LIGO-Virgo run with coherent WaveBurst enhanced by Machine Learning

Marek J. Szczepańczyk, Francesco Salemi, Sophie Bini +13

This paper presents a search for generic short-duration gravitational-wave (GW) transients (or GW bursts) in the data from the third observing run of Advanced LIGO and Advanced Vir…

gr-qc2022★ 6 cited

Eccentricity estimation for five binary black hole mergers with higher-order gravitational wave modes

H. L. Iglesias, J. Lange, I. Bartos +9

The detection of orbital eccentricity for a binary black hole system via gravitational waves is a key signature to distinguish between the possible binary origins. The identificati…

astro-ph.HE2022

Search for Gravitational Waves Associated with Fast Radio Bursts Detected by CHIME/FRB During the LIGO--Virgo Observing Run O3a

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1654

We search for gravitational-wave transients associated with fast radio bursts (FRBs) detected by the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst Project (CHIME/…

gr-qc2022★ 22 cited

Search for binary black hole mergers in the third observing run of Advanced LIGO-Virgo using coherent WaveBurst enhanced with machine learning

T. Mishra, B. O'Brien, M. Szczepanczyk +8

In this work, we use the coherent WaveBurst (cWB) pipeline enhanced with machine learning (ML) to search for binary black hole (BBH) mergers in the Advanced LIGO-Virgo strain data…

gr-qc2021★ 74 cited

Narrowband searches for continuous and long-duration transient gravitational waves from known pulsars in the LIGO-Virgo third observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1658

Isolated neutron stars that are asymmetric with respect to their spin axis are possible sources of detectable continuous gravitational waves. This paper presents a fully-coherent s…

gr-qc2021★ 23 cited

Utilizing Gaussian mixture models in all-sky searches for short-duration gravitational wave bursts

Dixeena Lopez, V. Gayathri, Archana Pai +3

Coherent WaveBurst is a generic, multidetector gravitational wave burst search based on the excess power approach. The coherent WaveBurst algorithm currently employed in the all-sk…

astro-ph.HE2021★ 41 cited

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1632

We search for gravitational-wave signals associated with gamma-ray bursts detected by the Fermi and Swift satellites during the second half of the third observing run of Advanced L…

gr-qc2021★ 40 cited

Search of the Early O3 LIGO Data for Continuous Gravitational Waves from the Cassiopeia A and Vela Jr. Supernova Remnants

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1411

We present directed searches for continuous gravitational waves from the neutron stars in the Cassiopeia A (Cas A) and Vela Jr. supernova remnants. We carry out the searches in the…

astro-ph.HE2021★ 26 cited

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…

gr-qc2021★ 1.8k cited

GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1659

The third Gravitational-Wave Transient Catalog (GWTC-3) describes signals detected with Advanced LIGO and Advanced Virgo up to the end of their third observing run. Updating the pr…

gr-qc2021

The search of higher multipole radiation in gravitational waves from compact binary coalescences by a minimally-modelled pipeline

O. Halim, G. Vedovato, E. Milotti +13

The coherent WaveBurst (cWB) pipeline implements a minimally-modelled search to find a coherent response in the network of gravitational wave detectors of the LIGO-Virgo Collaborat…

gr-qc2021★ 35 cited

All-sky, all-frequency directional search for persistent gravitational-waves from Advanced LIGO's and Advanced Virgo's first three observing runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1627

We present the first results from an all-sky all-frequency (ASAF) search for an anisotropic stochastic gravitational-wave background using the data from the first three observing r…