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Extending prior work by Pankow et al, we introduce RIFT, an algorithm to perform Rapid parameter Inference on gravitational wave sources via Iterative Fitting. We demonstrate this approach can correctly recover the parameters of coalescing…

General Relativity and Quantum Cosmology · Physics 2018-05-29 Jacob Lange , Richard O'Shaughnessy , Monica Rizzo

In this lecture we describe the data analysis problem for insparlling binaries. We discuss the detection statistic, how to make realiable estimation and how to compute bias in the estimation of parameters. A combination of geometrical ideas…

General Relativity and Quantum Cosmology · Physics 2007-05-23 B. S. Sathyaprakash

We search for gravitational-wave (GW) signals from compact binary coalescences (CBC) in the $2024$ mock data challenge of the Einstein Telescope (ET) with a detection algorithm that does not rely on the waveform of the signal searched. With…

General Relativity and Quantum Cosmology · Physics 2025-05-14 Adrian Macquet , Tito Dal Canton , Tania Regimbau

Double compact objects (neutron stars and black holes) found in binaries with small orbital separations are known to spiral in and are expected to coalesce eventually because of the emission of gravitational waves. Such inspiral and merger…

Astrophysics · Physics 2009-11-06 V. Kalogera , K. Belczynski

Random projection (RP) is a powerful dimension reduction technique widely used in the analysis of high dimensional data. We demonstrate how this technique can be used to improve the computational efficiency of gravitational wave searches…

General Relativity and Quantum Cosmology · Physics 2019-06-11 Sumeet Kulkarni , Khun Sang Phukon , Amit Reza , Sukanta Bose , Anirban Dasgupta , Dilip Krishnaswamy , Anand S. Sengupta

Growing number of wireless devices and networks has increased the demand for the scarce resource, radio spectrum. Next generation communication technologies, such as Cognitive Radio provides a promising solution to efficiently utilize radio…

Signal Processing · Electrical Eng. & Systems 2018-05-23 Adnan Quadri

Rapid identification, characterization, and localization of gravitational waves from binary compact object mergers can enable well-informed follow-on multimessenger observations. In this work, we investigate a small modification to the RIFT…

General Relativity and Quantum Cosmology · Physics 2023-01-05 A. B. Yelikar , V. Delfavero , R. O'Shaughnessy

Gravitational waves from the coalescence of binary black holes can be distinguished from noise transients in a detector network through Bayesian model selection by exploiting the coherence of the signal across the network. We present a…

General Relativity and Quantum Cosmology · Physics 2022-01-05 Geraint Pratten , Alberto Vecchio

Joint gravitational wave (GW) and electromagnetic (EM) observations, as a key research direction in multi-messenger astronomy, will provide deep insight into the astrophysics of a vast range of astronomical phenomena. Uncertainties in the…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Xilong Fan , Christopher Messenger , Ik Siong Heng

Gravitational wave astronomy has become a reality after the historical detections accomplished during the first observing run of the two advanced LIGO detectors. In the following years, the number of detections is expected to increase…

Instrumentation and Methods for Astrophysics · Physics 2017-02-01 Alejandro Torres-Forné , Antonio Marquina , José A. Font , José M. Ibáñez

Since the initial discovery of gravitational-waves from merging black holes, the LIGO Scientific Collaboration together with Virgo and KAGRA have published 90 gravitational-wave observations of compact binary mergers in the…

General Relativity and Quantum Cosmology · Physics 2022-09-09 Vera Del Favero

The article reviews the statistical theory of signal detection in application to analysis of deterministic gravitational-wave signals in the noise of a detector. Statistical foundations for the theory of signal detection and parameter…

General Relativity and Quantum Cosmology · Physics 2023-11-10 Piotr Jaranowski , Andrzej Królak

Coalescing compact binaries of neutron stars and/or black holes are considered as one of the most promising sources for Earth based gravitational wave detectors. The LIGO-Virgo joint collaboration's Compact Binary Coalescence (CBC) group is…

General Relativity and Quantum Cosmology · Physics 2019-08-13 Anand S. Sengupta

Coalescing compact object binaries consisting of black holes and/or Neutron stars are a prime target for ground-based gravitational wave detectors. This article reviews the status of numerical simulations of these systems, with an emphasis…

General Relativity and Quantum Cosmology · Physics 2015-06-04 Harald P. Pfeiffer

Gravitational Wave (GW) astronomy has experienced remarkable growth in recent years, driven by advancements in ground-based detectors. While detecting compact binary coalescences (CBCs) has become routine, searching for more complex ones,…

Instrumentation and Methods for Astrophysics · Physics 2024-01-29 Kanchan Soni , Sanjeev Dhurandhar , Sanjit Mitra

We describe a hierarchical data analysis pipeline for coherently searching for gravitational wave (GW) signals from non-spinning compact binary coalescences (CBCs) in the data of multiple earth-based detectors. It assumes no prior…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Sukanta Bose , Thilina Dayanga , Shaon Ghosh , Dipongkar Talukder

Recent gravitational-wave transient catalogs have used \pastro{}, the probability that a gravitational-wave candidate is astrophysical, to select interesting candidates for further analysis. Unlike false alarm rates, which exclusively…

Instrumentation and Methods for Astrophysics · Physics 2023-11-14 Sharan Banagiri , Christopher P. L. Berry , Gareth S. Cabourn Davies , Leo Tsukada , Zoheyr Doctor

We investigate the merging rates of compact binaries in galaxies, and the related detection rate of gravitational wave (GW) events with AdvLIGO/Virgo and with the Einstein Telescope. To this purpose, we rely on three basic ingredients: (i)…

Astrophysics of Galaxies · Physics 2019-09-04 L. Boco , A. Lapi , S. Goswami , F. Perrotta , C. Baccigalupi , L. Danese

Binary Systems are the most studied sources of gravitational waves. The mechanisms of emission and the behavior of the orbital parameters are well known and can be written in analytic form in several cases. Besides, the strongest indication…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-24 E. F. D. Evangelista , J. C. N. de Araujo

We present and assess a Bayesian method to interpret gravitational wave signals from binary black holes. Our method directly compares gravitational wave data to numerical relativity simulations. This procedure bypasses approximations used…