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The current generation of very-high-energy $gamma-$ray (VHE; E above 30 GeV) detectors (MAGIC and H.E.S.S.) have recently demonstrated the ability to detect the afterglow emission of GRBs. However, the GRB prompt emission, typically…

Gravitational-wave astrophysics has the potential to be transformed by a global network of longer, colder, and thus more sensitive detectors. This network must be constructed to address a wide range of science goals, involving binary…

Instrumentation and Methods for Astrophysics · Physics 2019-11-11 Evan D Hall , Matthew Evans

We investigate the prospects of electromagnetic follow-up observations for binary neutron star (BNS) mergers, with the help of early warnings from decihertz gravitational-wave (GW) observatories, B-DECIGO and DO-Optimal. Extending the…

High Energy Astrophysical Phenomena · Physics 2022-07-22 Yacheng Kang , Chang Liu , Lijing Shao

We describe a stream-based analysis pipeline to detect gravitational waves from the merger of binary neutron stars, binary black holes, and neutron-star-black-hole binaries within ~ 1 minute of the arrival of the merger signal at Earth.…

With the rapid advancements in next-generation ground-based gravitational wave (GW) detectors, it is anticipated that $10^3$-$10^5$ binary neutron star (BNS) mergers per year will be detected, with a significant fraction accompanied by…

High Energy Astrophysical Phenomena · Physics 2025-12-04 Zhiwei Chen , Youjun Lu , Hao Ma , Qingbo Chu

Combined gravitational-wave (GW) and electromagnetic (EM) observations of compact binary mergers should enable detailed studies of astrophysical processes in the strong-field gravity regime. Networks of GW interferometers have poor angular…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Samaya Nissanke , Mansi Kasliwal , Alexandra Georgieva

Gravitational waves provide us with an extraordinary tool to study the matter inside neutron stars. In particular, the postmerger signal probes an extreme temperature and density regime and will help reveal information about the equation of…

General Relativity and Quantum Cosmology · Physics 2023-06-21 Anna Puecher , Tim Dietrich , Ka Wa Tsang , Chinmay Kalaghatgi , Soumen Roy , Yoshinta Setyawati , Chris Van Den Broeck

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

In the theories with extra dimensions, gravitational waves can leak into extra dimensions, resulting in a reduction in the amplitude of the observed gravitational waves. Such an effect modifies the standard luminosity distance of…

General Relativity and Quantum Cosmology · Physics 2026-03-10 Xu-Jie Zhu , Ji-Yu Song , Tao Zhu , Xin Zhang

The expected volume of data from the third-generation gravitational waves (GWs) Einstein Telescope (ET) detector would make traditional GWs search methods such as match filtering impractical. This is due to the large template bank required…

Instrumentation and Methods for Astrophysics · Physics 2023-01-04 Wathela Alhassan , Tomasz Bulik , Mariusz Suchenek

Observations of the high-frequency gravitational waves (GWs) emitted by the hot and massive remnant of a binary neutron star merger will provide new probes of the dense-matter equation of state (EoS). We show that current uncertainties in…

High Energy Astrophysical Phenomena · Physics 2024-07-02 Carolyn A. Raithel , Vasileios Paschalidis

Based on different neutron star-white dwarf (NS-WD) population models, we investigate the prospects of gravitational-wave (GW) detections for NS-WD mergers, with the help of early warnings from two space-borne decihertz GW observatories,…

High Energy Astrophysical Phenomena · Physics 2024-02-15 Yacheng Kang , Chang Liu , Jin-Ping Zhu , Yong Gao , Lijing Shao , Bing Zhang , Hui Sun , Yi-Han Iris Yin , Bin-Bin Zhang

We demonstrate that the orbital eccentricity in compact binary mergers can be used to improve their sky localization using gravitational wave observations. Existing algorithms that conduct the localizations are not optimized for eccentric…

General Relativity and Quantum Cosmology · Physics 2026-02-10 Souradeep Pal

Binary neutron stars (BNSs) will spend $\simeq 10$ -- 15 minutes in the band of Advanced LIGO and Virgo detectors at design sensitivity. Matched-filtering of gravitational-wave (GW) data could in principle accumulate enough signal-to-noise…

The next generation of ground-based interferometric gravitational wave detectors will observe mergers of black holes and neutron stars throughout cosmic time. A large number of the binary neutron star merger events will be observed with…

High Energy Astrophysical Phenomena · Physics 2024-02-08 Ananya Bandopadhyay , Keisi Kacanja , Rahul Somasundaram , Alexander H. Nitz , Duncan A. Brown

The gravitational waveform of merging binary neutron stars encodes information about extreme states of matter. Probing these gravitational emissions requires the gravitational-wave detectors to have high sensitivity above 1 kHz. Fortunately…

General Relativity and Quantum Cosmology · Physics 2018-09-12 Haixing Miao , Huan Yang , Denis Martynov

The recent breakthroughs regarding the detection of compact binary mergers via gravitational waves opened up a new window to the Universe. Gravitational-wave models have been essential to this success since they are necessary to infer the…

General Relativity and Quantum Cosmology · Physics 2025-05-15 Adrian Abac , Anna Puecher , Jonathan Gair , Tim Dietrich

The LIGO-Virgo-KAGRA (LVK) collaboration has recently made it possible for early warning alerts to be sent out, potentially before the end of the gravitational wave (GW) emission from a neutron star binary. If we get such alerts in this…

High Energy Astrophysical Phenomena · Physics 2024-06-10 Jacopo Tissino

We study the detectability of postmerger QCD phase transitions in neutron star binaries with next-generation gravitational-wave detectors Cosmic Explorer and Einstein Telescope. We perform numerical relativity simulations of neutron star…

General Relativity and Quantum Cosmology · Physics 2026-01-13 Aviral Prakash , Ish Gupta , Matteo Breschi , Rahul Kashyap , David Radice , Sebastiano Bernuzzi , Domenico Logoteta , B. S. Sathyaprakash

Third-generation (3G) gravitational-wave (GW) detectors will be able to observe binary-black-hole mergers (BBHs) up to redshift of $\sim 30$. This gives unprecedented access to the formation and evolution of BBHs throughout cosmic history.…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-14 Ken K. Y. Ng , Salvatore Vitale , Will M. Farr , Carl L. Rodriguez