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We investigated the detection rates and early warning parameters of binary neutron star (BNS) populations with decihertz gravitational-wave observatories in a realistic detecting strategy. Assuming 4 years' operation of B-DECIGO, we based…

High Energy Astrophysical Phenomena · Physics 2022-07-28 Chang Liu , Yacheng Kang , Lijing Shao

Bayesian inference with stochastic sampling has been widely used to obtain the properties of gravitational wave (GW) sources. Although computationally intensive, its cost remains manageable for current second-generation GW detectors because…

General Relativity and Quantum Cosmology · Physics 2025-10-02 Qian Hu , John Veitch

Gravitational waves (GWs) directly measure the luminosity distance to the merger, which, when combined with an independent measurement of the source's redshift, provides a novel probe of cosmology. The proposed next generation of…

Cosmology and Nongalactic Astrophysics · Physics 2021-08-11 Christine Ye , Maya Fishbach

We apply machine learning methods to build a time-domain model for gravitational waveforms from binary black hole mergers, called mlgw. The dimensionality of the problem is handled by representing the waveform's amplitude and phase using a…

2015 will see the first observations of Advanced LIGO and the start of the gravitational-wave (GW) advanced-detector era. One of the most promising sources for ground-based GW detectors are binary neutron-star (BNS) coalescences. In order…

High Energy Astrophysical Phenomena · Physics 2016-06-06 C P L Berry , B Farr , W M Farr , C-J Haster , I Mandel , H Middleton , L P Singer , A L Urban , A Vecchio , S Vitale , K Cannon , P B Graff , C Hanna , S Mohapatra , C Pankow , L R Price , T Sidery , J Veitch

The next generation of ground-based gravitational-wave detectors, Einstein Telescope (ET) and Cosmic Explorer (CE), present a unique opportunity to put constraints on dense matter, among many other groundbreaking scientific goals. In a…

General Relativity and Quantum Cosmology · Physics 2023-12-18 Francesco Iacovelli , Michele Mancarella , Chiranjib Mondal , Anna Puecher , Tim Dietrich , Francesca Gulminelli , Michele Maggiore , Micaela Oertel

Gravitational waves are ripples in the space time fabric when high energy events such as black hole mergers or neutron star collisions take place. The first Gravitational Wave (GW) detection (GW150914) was made by the Laser Interferometer…

Instrumentation and Methods for Astrophysics · Physics 2021-04-13 Yash Chauhan

Space-based gravitational wave (GW) detection is one of the most anticipated GW detection projects in the next decade, which promises to detect abundant compact binary systems. At present, deep learning methods have not been widely explored…

General Relativity and Quantum Cosmology · Physics 2024-03-07 Ruijun Shi , Yue Zhou , Tianyu Zhao , Zhoujian Cao , Zhixiang Ren

In recent years, improvements in Deep Learning (DL) techniques towards Gravitational Wave (GW) astronomy have led to a significant rise in the development of various classification algorithms that have been successfully employed to extract…

High Energy Astrophysical Phenomena · Physics 2021-08-27 Shashwat Singh , Amitesh Singh , Ankul Prajapati , Kamlesh N Pathak

In the past decades, several neutron stars (NSs), particularly pulsars, with mass $M>2M_\odot$ have been observed. On the other hand, the existence of massive white dwarfs (WDs), even violating Chandrasekhar mass-limit, was inferred from…

High Energy Astrophysical Phenomena · Physics 2025-09-10 Mayusree Das , Banibrata Mukhopadhyay

The detection of gravitational waves opened up a new window to look into the Universe by probing phenomena invisible through electromagnetic observations. As gravitational waves interact very weakly with matter, their detection is…

General Relativity and Quantum Cosmology · Physics 2025-05-29 Soumen Roy , Bruno Bertrand , Justin Janquart

We present a first proof-of-principle study for using deep neural networks (DNNs) as a novel search method for continuous gravitational waves (CWs) from unknown spinning neutron stars. The sensitivity of current wide-parameter-space CW…

General Relativity and Quantum Cosmology · Physics 2019-09-09 Christoph Dreissigacker , Rahul Sharma , Chris Messenger , Ruining Zhao , Reinhard Prix

Third-generation gravitational wave (GW) observatories such as the Einstein Telescope (ET) and Cosmic Explorer (CE) will detect hundreds of thousands of binary neutron star (BNS) mergers, reaching redshifts beyond $z\sim3$. To fully exploit…

High Energy Astrophysical Phenomena · Physics 2026-01-14 S. Bisero , S. D. Vergani , E. Loffredo , M. Branchesi , N. Hazra , U. Dupletsa , R. I. Anderson

It is anticipated that the gravitational radiation detected in future gravitational wave (GW) detectors from binary neutron star (NS) mergers can probe the high-density equation of state (EOS). We perform the first simulations of binary NS…

General Relativity and Quantum Cosmology · Physics 2023-11-15 Atul Kedia , Hee Il Kim , In-Saeng Suh , Grant J. Mathews

Magnetic flares and induced oscillations of magnetars (super-magnetized neutron stars) are promising sources of gravitational waves (GWs). We suggest that the GW emission, if any, would last longer than the observed X-ray quasi-periodic…

High Energy Astrophysical Phenomena · Physics 2015-04-23 Kazumi Kashiyama , Kunihito Ioka

Gravitational waves are now routinely detected from compact binary mergers, with binary neutron star mergers being of note for multi-messenger astronomy as they have been observed to produce electromagnetic counterparts. Novel search…

General Relativity and Quantum Cosmology · Physics 2025-01-22 Alistair McLeod , Damon Beveridge , Linqing Wen , Andreas Wicenec

Gravitational waves produced from the merger of binary neutron stars (BNSs) are accompanied by electromagnetic counterparts, making it possible to identify the associated host galaxy. We explore how properties of the host galaxies relate to…

Astrophysics of Galaxies · Physics 2020-12-16 Susmita Adhikari , Maya Fishbach , Daniel E. Holz , Risa H. Wechsler , Zhanpei Fang

Neutron star observations, including direct mass and radius measurements as well as the analysis of gravitational wave signals emitted by stellar mergers, provide valuable and unique insights into the properties of strongly interacting…

Nuclear Theory · Physics 2019-02-20 Aleksi Vuorinen

We introduce deep learning time-series forecasting for gravitational wave detection of binary neutron star mergers. This method enables the identification of these signals in real advanced LIGO data up to 30 seconds before merger. When…

General Relativity and Quantum Cosmology · Physics 2021-03-09 Wei Wei , E. A. Huerta

We propose a new model of Bayesian Neural Networks to not only detect the events of compact binary coalescence in the observational data of gravitational waves (GW) but also identify the full length of the event duration including the…

Instrumentation and Methods for Astrophysics · Physics 2021-03-31 Yu-Chiung Lin , Jiun-Huei Proty Wu