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We present a study aimed at quantifying the detectability of radio counterparts of binary neutron star (BNS) mergers with total masses $\lesssim 3$\,M$_{\odot}$, which may form neutron star (NS) remnants. We focus on mergers localized by…

High Energy Astrophysical Phenomena · Physics 2025-07-01 Kara Merfeld , Alessandra Corsi

We show how gravitational-wave observations with advanced detectors of tens to several tens of neutron-star binaries can measure the neutron-star radius with an accuracy of several to a few percent, for mass and spatial distributions that…

General Relativity and Quantum Cosmology · Physics 2018-01-24 Sukanta Bose , Kabir Chakravarti , Luciano Rezzolla , B. S. Sathyaprakash , Kentaro Takami

The joint observation of the gravitational-wave and electromagnetic signal from the binary neutron-star merger GW170817 allowed for a new independent measurement of the Hubble constant $H_0$, albeit with an uncertainty of about 15\% at…

General Relativity and Quantum Cosmology · Physics 2021-05-11 Juan Calderón Bustillo , Samson H. W. Leong , Tim Dietrich , Paul D. Lasky

Gravitational waves from binary neutron star coalescences contain rich information about matter at supranuclear densities encoded by the neutron star equation of state. We can measure the equation of state by analyzing the tidal…

General Relativity and Quantum Cosmology · Physics 2020-05-27 Francisco Hernandez Vivanco , Rory Smith , Eric Thrane , Paul D. Lasky , Colm Talbot , Vivien Raymond

In addition to the emission of gravitational waves (GWs) the coalescence and merger of two neutron stars will produce a variety of electromagnetic (EM) signals. In this work we combine a large set of numerical relativity simulations…

General Relativity and Quantum Cosmology · Physics 2017-05-03 Tim Dietrich , Maximiliano Ujevic

Following the historical observation of GW170817 and its electromagnetic follow-up, new neutron star merger afterglows are expected to be observed as counterparts to gravitational wave signals during the next science runs of the…

High Energy Astrophysical Phenomena · Physics 2020-03-25 Raphaël Duque , Robert Mochkovitch , Frédéric Daigne

For the analysis of gravitational-wave signals, fast and accurate gravitational-waveform models are required. These enable us to obtain information on the system properties from compact binary mergers. In this article, we introduce the…

General Relativity and Quantum Cosmology · Physics 2024-07-17 Adrian Abac , Tim Dietrich , Alessandra Buonanno , Jan Steinhoff , Maximiliano Ujevic

Neutron star mergers have recently become a tool to study extreme gravity, nucleosynthesis, and the chemical composition of the Universe. To date, there has been one joint gravitational and electromagnetic observation of a binary neutron…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Amelia Henkel , Francois Foucart , Geert Raaijmakers , Samaya Nissanke

Simulations of binary neutron stars have seen great advances in terms of physical detail and numerical quality. However, the spin of the neutron stars, one of the simplest global parameters of binaries, remains mostly unstudied. We present…

General Relativity and Quantum Cosmology · Physics 2015-04-15 Sebastiano Bernuzzi , Tim Dietrich , Wolfgang Tichy , Bernd Bruegmann

Accurate parameter estimation of gravitational waves from coalescing compact binary sources is a key requirement for gravitational-wave astronomy. Evaluating the posterior probability density function of the binary's parameters (component…

High Energy Astrophysical Phenomena · Physics 2015-06-12 R. J. E. Smith , K. Cannon , C. Hanna , D. Keppel , I. Mandel

Gravitational waves emitted by neutron star black hole mergers encode key properties of neutron stars - such as their size, maximum mass and spins - and black holes. However, the presence of matter and the high mass ratio makes generating…

General Relativity and Quantum Cosmology · Physics 2021-04-14 Yiwen Huang , Carl-Johan Haster , Salvatore Vitale , Vijay Varma , Francois Foucart , Sylvia Biscoveanu

As current gravitational wave (GW) detectors increase in sensitivity, and particularly as new instruments are being planned, there is the possibility that ground-based GW detectors will observe GWs from highly eccentric neutron star…

General Relativity and Quantum Cosmology · Physics 2018-11-14 Swami Vivekanandji Chaurasia , Tim Dietrich , Nathan K. Johnson-McDaniel , Maximiliano Ujevic , Wolfgang Tichy , Bernd Brügmann

Gravitational waves from coalescing neutron stars encode information about nuclear matter at extreme densities, inaccessible by laboratory experiments. The late inspiral is influenced by the presence of tides, which depend on the neutron…

High Energy Astrophysical Phenomena · Physics 2020-11-09 K. Ackley , V. B. Adya , P. Agrawal , P. Altin , G. Ashton , M. Bailes , E. Baltinas , A. Barbuio , D. Beniwal , C. Blair , D. Blair , G. N. Bolingbroke , V. Bossilkov , S. Shachar Boublil , D. D. Brown , B. J. Burridge , J. Calderon Bustillo , J. Cameron , H. Tuong Cao , J. B. Carlin , S. Chang , P. Charlton , C. Chatterjee , D. Chattopadhyay , X. Chen , J. Chi , J. Chow , Q. Chu , A. Ciobanu , T. Clarke , P. Clearwater , J. Cooke , D. Coward , H. Crisp , R. J. Dattatri , A. T. Deller , D. A. Dobie , L. Dunn , P. J. Easter , J. Eichholz , R. Evans , C. Flynn , G. Foran , P. Forsyth , Y. Gai , S. Galaudage , D. K. Galloway , B. Gendre , B. Goncharov , S. Goode , D. Gozzard , B. Grace , A. W. Graham , A. Heger , F. Hernandez Vivanco , R. Hirai , N. A. Holland , Z. J. Holmes , E. Howard , E. Howell , G. Howitt , M. T. Hübner , J. Hurley , C. Ingram , V. Jaberian Hamedan , K. Jenner , L. Ju , D. P. Kapasi , T. Kaur , N. Kijbunchoo , M. Kovalam , R. Kumar Choudhary , P. D. Lasky , M. Y. M. Lau , J. Leung , J. Liu , K. Loh , A. Mailvagan , I. Mandel , J. J. McCann , D. E. McClelland , K. McKenzie , D. McManus , T. McRae , A. Melatos , P. Meyers , H. Middleton , M. T. Miles , M. Millhouse , Y. Lun Mong , B. Mueller , J. Munch , J. Musiov , S. Muusse , R. S. Nathan , Y. Naveh , C. Neijssel , B. Neil , S. W. S. Ng , V. Oloworaran , D. J. Ottaway , M. Page , J. Pan , M. Pathak , E. Payne , J. Powell , J. Pritchard , E. Puckridge , A. Raidani , V. Rallabhandi , D. Reardon , J. A. Riley , L. Roberts , I. M. Romero-Shaw , T. J. Roocke , G. Rowell , N. Sahu , N. Sarin , L. Sarre , H. Sattari , M. Schiworski , S. M. Scott , R. Sengar , D. Shaddock , R. Shannon , J. SHI , P. Sibley , B. J. J. Slagmolen , T. Slaven-Blair , R. J. E. Smith , J. Spollard , L. Steed , L. Strang , H. Sun , A. Sunderland , S. Suvorova , C. Talbot , E. Thrane , D. Töyrä , P. Trahanas , A. Vajpeyi , J. V. van Heijningen , A. F. Vargas , P. J. Veitch , A. Vigna-Gomez , A. Wade , K. Walker , Z. Wang , R. L. Ward , K. Ward , S. Webb , L. Wen , K. Wette , R. Willcox , J. Winterflood , C. Wolf , B. Wu , M. Jet Yap , Z. You , H. Yu , J. Zhang , J. Zhang , C. Zhao , X. Zhu

The subsequent observing runs of the advanced gravitational-wave detector network will likely provide us with various gravitational-wave observations of binary neutron star systems. For an accurate interpretation of these detections, we…

General Relativity and Quantum Cosmology · Physics 2022-08-17 Maximiliano Ujevic , Alireza Rashti , Henrique Gieg , Wolfgang Tichy , Tim Dietrich

We present results from the first large parameter study of neutron star mergers using fully general relativistic simulations with finite-temperature microphysical equations of state and neutrino cooling. We consider equal and unequal-mass…

General Relativity and Quantum Cosmology · Physics 2016-07-20 Sebastiano Bernuzzi , David Radice , Christian D. Ott , Luke F. Roberts , Philipp Moesta , Filippo Galeazzi

The stages that follow the merging of two neutron stars are discussed. It is shown that if a rapidly rotating gravitationally bound object is formed after the merging (a spinar or a massive neutron star), then the characteristic time of its…

Astrophysics · Physics 2008-02-03 G. V. Lipunova , V. M. Lipunov

The landmark detection of both gravitational waves (GWs) and electromagnetic (EM) radiation from the binary neutron star merger GW170817 has spurred efforts to streamline the follow-up of GW alerts in current and future observing runs of…

The detection of GW230529_181500 suggested the existence of more symmetric black hole-neutron star mergers where the black hole mass can be as low as 2.6 times that of the neutron star. Black hole-neutron star binaries with even more…

High Energy Astrophysical Phenomena · Physics 2026-01-28 Ivan Markin , Mattia Bulla , Tim Dietrich

Elementary particles such as quarks and gluons are expected to be fundamental degrees of freedom at ultra high temperatures or densities, while natural phenomena in our daily lives are described in terms of hadronic degrees of freedom.…

High Energy Astrophysical Phenomena · Physics 2024-12-05 Reiko Harada , Kipp Cannon , Kenta Hotokezaka , Koutarou Kyutoku

Binary neutron star mergers are unique sources of gravitational waves in multi-messenger astronomy. The inspiral phase of binary neutron stars can emit gravitational waves as chirp signals. The present waveform models of gravitational wave…

General Relativity and Quantum Cosmology · Physics 2023-11-23 RunDong Tang , Wen-Biao Han , XingYu Zhong , Ye Jiang , Ping Shen , Yu Wang
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