output
19912026
most citedSciPy 1.0--Fundamental Algorithms for Scientific Computing in Python

40.2k citations

Showing 2025 · gr-qcShow all

22 papers · 2 filters

gr-qc2025

Search for planetary-mass ultra-compact binaries using data from the first part of the LIGO--Virgo--KAGRA fourth observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1765

We present a search for gravitational waves from inspiraling, planetary-mass ultra-compact binaries using data from the first part of the fourth observing run of LIGO, Virgo and KA…

gr-qc2025

Directional Search for Persistent Gravitational Waves: Results from the First Part of LIGO-Virgo-KAGRA's Fourth Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1765

The angular distribution of gravitational-wave power from persistent sources may exhibit anisotropies arising from the large-scale structure of the Universe. This motivates directi…

gr-qc2025★ 4 cited

Comprehensive analysis of time-domain overlapping gravitational wave transients: A Lensing Study

Nishkal Rao, Anuj Mishra, Apratim Ganguly +1

Next-generation GW detectors will produce a high rate of temporally overlapping signals from unrelated compact binary coalescences. Such overlaps can bias parameter estimation (PE)…

gr-qc2025★ 6 cited

Biased parameter inference of eccentric, spin-precessing binary black holes

Divyajyoti, Isobel M. Romero-Shaw, Vaishak Prasad +8

While the majority of gravitational wave (GW) events observed by the LIGO and Virgo detectors are consistent with mergers of binary black holes (BBHs) on quasi-circular orbits, som…

gr-qc2025★ 1 cited

Chase Orbits, not Time: A Scalable Paradigm for Long-Duration Eccentric Gravitational-Wave Surrogates

Akash Maurya, Prayush Kumar, Scott E. Field +6

Orbital eccentricity is a key tracer of the astrophysical origins of compact binaries. Yet it remains absent from routine LIGO-Virgo-KAGRA analyses, in part because of the prohibit…

gr-qc2025★ 100 cited

GW250114: testing Hawking's area law and the Kerr nature of black holes

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1785

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 o…

gr-qc2025★ 5 cited

GW230814: investigation of a loud gravitational-wave signal observed with a single detector

The LIGO Scientific Collaboration, The Virgo Collaboration, The Kagra Collaboration +1783

GW230814, detected by the LIGO Livingston observatory with a signal-to-noise ratio of 42.4, represents the loudest gravitational-wave signal in the GWTC-4.0 catalog. Its source is…

gr-qc2025★ 64 cited

GWTC-4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1786

Version 4.0 of the Gravitational-Wave Transient Catalog (GWTC-4.0) adds new candidates detected by the LIGO, Virgo, and KAGRA observatories through the first part of the fourth obs…

gr-qc2025★ 9 cited

GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1809

The Gravitational-Wave Transient Catalog (GWTC) is a collection of candidate gravitational-wave transient signals identified and characterized by the LIGO-Virgo-KAGRA Collaboration…

gr-qc2025★ 2 cited

Binary black hole population inference combining confident and marginal events from the search pipeline

Ajit Kumar Mehta, Digvijay Wadekar, Isha Anantpurkar +6

We present the population properties of binary black hole mergers identified by the pipeline (which incorporates higher-order modes in the search templates) du…

gr-qc2025★ 1 cited

Generalized Perturbed Kepler Problem: Gravitational Wave Imprints from Eccentric Compact Binaries

Rajes Ghosh, R. Prasad, Kabir Chakravarti +1

Observations of astrophysical binaries may reveal departures from pure Keplerian orbits due to environmental influences, modifications to the underlying gravitational dynamics, or…

gr-qc2025★ 3 cited

All-sky search for long-duration gravitational-wave transients in the first part of the fourth LIGO-Virgo-KAGRA Observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1772

We present an all-sky search for long-duration gravitational waves (GWs) from the first part of the LIGO-Virgo-KAGRA fourth observing run (O4), called O4a and comprising data taken…

gr-qc2025

Early Warning From Eccentric Compact Binaries: Template Initialization And Sub-dominant Mode Effects

Priyanka Sinha, R. Prasad, Mukesh Kumar Singh +3

Early warning of gravitational waves (GWs) is essential for multi-messenger observations of binary neutron star and black hole-neutron star merger events. In this study, we investi…

gr-qc2025★ 1 cited

Binary black holes in the heat of merger

Samanwaya Mukherjee, Sayak Datta, Sukanta Bose +1

A black hole binary approaching merger undergoes changes in its inspiral rate as energy and angular momentum are lost from the orbits into the horizons. This effect strengthens as…

gr-qc2025

A directed continuous-wave search from neutron stars in binary systems with the five-vector resampling technique

Francesco Amicucci, Paola Leaci, Pia Astone +8

Continuous gravitational-wave signals (CWs), which are typically emitted by rapidly rotating neutron stars with non-axisymmetric deformations, represent particularly intriguing tar…

gr-qc2025★ 53 cited

The SXS Collaboration's third catalog of binary black hole simulations

Mark A. Scheel, Michael Boyle, Keefe Mitman +56

We present a major update to the Simulating eXtreme Spacetimes (SXS) Collaboration's catalog of binary black hole simulations. Using highly efficient spectral methods implemented i…

gr-qc2025★ 7 cited

Data-driven extraction, phenomenology and modeling of eccentric harmonics in binary black hole merger waveforms

Tousif Islam, Tejaswi Venumadhav, Ajit Kumar Mehta +6

Newtonian and post-Newtonian (PN) calculations suggest that each spherical harmonic mode of the gravitational waveforms (radiation) emitted by eccentric binaries can be further dec…

gr-qc2025★ 5 cited

Tidal dissipation in binary neutron star inspirals from hyperon bulk viscosity: Phase modeling and parameter estimation bias

Suprovo Ghosh, Samanwaya Mukherjee, Sukanta Bose +1

During the inspiral of a binary neutron star, viscous processes in the neutron star matter can damp out the tidal energy induced by its companion and convert it to thermal energy.…

gr-qc2025★ 7 cited

Can Rotating Black Holes Have Short Hairs?

Rajes Ghosh, Chiranjeeb Singha

Despite the no-hair theorem, several notable hairy black hole (BH) solutions exist in both General Relativity and modified gravity theories. For such hairs to be detectable, they m…

gr-qc2025

Optimizing Bayesian model selection for equation of state of cold neutron stars

Rahul Kashyap, Ish Gupta, Arnab Dhani +2

We introduce a computational framework, Bayesian Evidence calculation fOr Model Selection (BEOMS) to evaluate multiple Bayesian model selection methods in the context of determinin…

gr-qc2025★ 7 cited

Post-Newtonian theory-inspired framework for characterizing eccentricity in gravitational waveforms

Tousif Islam, Tejaswi Venumadhav

Characterizing eccentricity in gravitational waveforms in a consistent manner is crucial to facilitate parameter estimation, astrophysical population studies, as well as searches f…

gr-qc2025

On Formation of Primordial Naked Singularities

Koushiki, Pankaj S. Joshi, Sudip Bhattacharyya

The density fluctuations in the nearly homogeneous background in the very early universe are argued to be the origin of the cosmic structures we observe in our present universe. Al…