Related papers: High-accuracy simulations of highly spinning binar…

Binary neutron star mergers with a subsolar mass star

While there are a number of proposed formation channels for subsolar mass compact objects, including black holes formed primordially, or neutron stars that form in collapsar disks, there have yet to be any conclusive observations of such…

High Energy Astrophysical Phenomena · Physics 2026-03-27 Maxence Corman , William E. East , Jocelyn S. Read

Gravitational waves from eccentric binary neutron star mergers: Systematic biases and inadequacy of quasicircular templates

The use of quasicircular waveforms in matched-filter analyses of signals from eccentric binary neutron star mergers can lead to biases in the source's parameter estimation. We demonstrate that significant biases can be present already for…

General Relativity and Quantum Cosmology · Physics 2025-10-23 Giulia Huez , Sebastiano Bernuzzi , Matteo Breschi , Rossella Gamba

On the point mass approximation to calculate the gravitational wave signal from white dwarf binaries

Double white dwarf binaries in the Galaxy dominate the gravitational wave sky and would be detectable for an instrument such as LISA. Most studies have calculated the expected gravitational wave signal under the assumption that the binary…

High Energy Astrophysical Phenomena · Physics 2015-06-05 D. van den Broek , G. Nelemans , M. Dan , S. Rosswog

Accuracy of numerical relativity waveforms from binary neutron star mergers and their comparison with post-Newtonian waveforms

We present numerical relativity simulations of nine-orbit equal-mass binary neutron star covering the quasicircular late inspiral and merger. The extracted gravitational waveforms are analyzed for convergence and accuracy. Second order…

General Relativity and Quantum Cosmology · Physics 2012-05-23 Sebastiano Bernuzzi , Marcus Thierfelder , Bernd Bruegmann

Measuring the eccentricity of GW170817 and GW190425

Two binary neutron star mergers, GW170817 and GW190425, have been detected by Advanced LIGO and Virgo. These signals were detected by matched-filter searches that assume the star's orbit has circularized by the time their gravitational-wave…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Amber K. Lenon , Alexander H. Nitz , Duncan A. Brown

Parameter estimation for compact binary coalescence signals with the first generation gravitational-wave detector network

Compact binary systems with neutron stars or black holes are one of the most promising sources for ground-based gravitational wave detectors. Gravitational radiation encodes rich information about source physics; thus parameter estimation…

General Relativity and Quantum Cosmology · Physics 2013-12-02 the LIGO Scientific Collaboration , the Virgo Collaboration , J. Aasi , J. Abadie , B. P. Abbott , R. Abbott , T. D. Abbott , M. Abernathy , T. Accadia , F. Acernese , C. Adams , T. Adams , P. Addesso , R. Adhikari , C. Affeldt , M. Agathos , K. Agatsuma , P. Ajith , B. Allen , A. Allocca , E. Amador Ceron , D. Amariutei , S. B. Anderson , W. G. Anderson , K. Arai , M. C. Araya , S. Ast , S. M. Aston , P. Astone , D. Atkinson , P. Aufmuth , C. Aulbert , B. E. Aylott , S. Babak , P. Baker , G. Ballardin , S. Ballmer , Y. Bao , J. C. B. Barayoga , D. Barker , F. Barone , B. Barr , L. Barsotti , M. Barsuglia , M. A. Barton , I. Bartos , R. Bassiri , M. Bastarrika , A. Basti , J. Batch , J. Bauchrowitz , Th. S. Bauer , M. Bebronne , D. Beck , B. Behnke , M. Bejger , M. G. Beker , A. S. Bell , C. Bell , I. Belopolski , M. Benacquista , J. M. Berliner , A. Bertolini , J. Betzwieser , N. Beveridge , P. T. Beyersdorf , T. Bhadbade , I. A. Bilenko , G. Billingsley , J. Birch , R. Biswas , M. Bitossi , M. A. Bizouard , E. Black , J. K. Blackburn , L. Blackburn , D. Blair , B. Bland , M. Blom , O. Bock , T. P. Bodiya , C. Bogan , C. Bond , R. Bondarescu , F. Bondu , L. Bonelli , R. Bonnand , R. Bork , M. Born , V. Boschi , S. Bose , L. Bosi , B. Bouhou , S. Braccini , C. Bradaschia , P. R. Brady , V. B. Braginsky , M. Branchesi , J. E. Brau , J. Breyer , T. Briant , D. O. Bridges , A. Brillet , M. Brinkmann , V. Brisson , M. Britzger , A. F. Brooks , D. A. Brown , T. Bulik , H. J. Bulten , A. Buonanno , J. Burguet--Castell , D. Buskulic , C. Buy , R. L. Byer , L. Cadonati , G. Cagnoli , E. Calloni , J. B. Camp , P. Campsie , K. Cannon , B. Canuel , J. Cao , C. D. Capano , F. Carbognani , L. Carbone , S. Caride , S. Caudill , M. Cavaglià , F. Cavalier , R. Cavalieri , G. Cella , C. Cepeda , E. Cesarini , T. Chalermsongsak , P. Charlton , E. Chassande-Mottin , W. Chen , X. Chen , Y. Chen , A. Chincarini , A. Chiummo , H. S. Cho , J. Chow , N. Christensen , S. S. Y. Chua , C. T. Y. Chung , S. Chung , G. Ciani , F. Clara , D. E. Clark , J. A. Clark , J. H. Clayton , F. Cleva , E. Coccia , P. -F. Cohadon , C. N. Colacino , A. Colla , M. Colombini , A. Conte , R. Conte , D. Cook , T. R. Corbitt , M. Cordier , N. Cornish , A. Corsi , C. A. Costa , M. Coughlin , J. -P. Coulon , P. Couvares , D. M. Coward , M. Cowart , D. C. Coyne , J. D. E. Creighton , T. D. Creighton , A. M. Cruise , A. Cumming , L. Cunningham , E. Cuoco , R. M. Cutler , K. Dahl , M. Damjanic , S. L. Danilishin , S. D'Antonio , K. Danzmann , V. Dattilo , B. Daudert , H. Daveloza , M. Davier , E. J. Daw , T. Dayanga , R. De Rosa , D. DeBra , G. Debreczeni , J. Degallaix , W. Del Pozzo , T. Dent , V. Dergachev , R. DeRosa , S. Dhurandhar , L. Di Fiore , A. Di Lieto , I. Di Palma , M. Di Paolo Emilio , A. Di Virgilio , M. Díaz , A. Dietz , F. Donovan , K. L. Dooley , S. Doravari , S. Dorsher , M. Drago , R. W. P. Drever , J. C. Driggers , Z. Du , J. -C. Dumas , S. Dwyer , T. Eberle , M. Edgar , M. Edwards , A. Effler , P. Ehrens , G. Endröczi , R. Engel , T. Etzel , K. Evans , M. Evans , T. Evans , M. Factourovich , V. Fafone , S. Fairhurst , B. F. Farr , W. M. Farr , M. Favata , D. Fazi , H. Fehrmann , D. Feldbaum , F. Feroz , I. Ferrante , F. Ferrini , F. Fidecaro , L. S. Finn , I. Fiori , R. P. Fisher , R. Flaminio , S. Foley , E. Forsi , L. A. Forte , N. Fotopoulos , J. -D. Fournier , J. Franc , S. Franco , S. Frasca , F. Frasconi , M. Frede , M. A. Frei , Z. Frei , A. Freise , R. Frey , T. T. Fricke , D. Friedrich , P. Fritschel , V. V. Frolov , M. -K. Fujimoto , P. J. Fulda , M. Fyffe , J. Gair , M. Galimberti , L. Gammaitoni , J. Garcia , F. Garufi , M. E. Gáspár , G. Gelencser , G. Gemme , E. Genin , A. Gennai , L. Á. Gergely , S. Ghosh , J. A. Giaime , S. Giampanis , K. D. Giardina , A. Giazotto , S. Gil-Casanova , C. Gill , J. Gleason , E. Goetz , G. González , M. L. Gorodetsky , S. Goßler , R. Gouaty , C. Graef , P. B. Graff , M. Granata , A. Grant , C. Gray , R. J. S. Greenhalgh , A. M. Gretarsson , C. Griffo , H. Grote , K. Grover , S. Grunewald , G. M. Guidi , C. Guido , R. Gupta , E. K. Gustafson , R. Gustafson , J. M. Hallam , D. Hammer , G. Hammond , J. Hanks , C. Hanna , J. Hanson , J. Harms , G. M. Harry , I. W. Harry , E. D. Harstad , M. T. Hartman , C. -J. Haster , K. Haughian , K. Hayama , J. -F. Hayau , J. Heefner , A. Heidmann , M. C. Heintze , H. Heitmann , P. Hello , G. Hemming , M. A. Hendry , I. S. Heng , A. W. Heptonstall , V. Herrera , M. Heurs , M. Hewitson , S. Hild , D. Hoak , K. A. Hodge , K. Holt , M. Holtrop , T. Hong , S. Hooper , J. Hough , E. J. Howell , B. Hughey , S. Husa , S. H. Huttner , T. Huynh-Dinh , D. R. Ingram , R. Inta , T. Isogai , A. Ivanov , K. Izumi , M. Jacobson , E. James , Y. J. Jang , P. Jaranowski , E. Jesse , W. W. Johnson , D. I. Jones , R. Jones , R. J. G. Jonker , L. Ju , P. Kalmus , V. Kalogera , S. Kandhasamy , G. Kang , J. B. Kanner , M. Kasprzack , R. Kasturi , E. Katsavounidis , W. Katzman , H. Kaufer , K. Kaufman , K. Kawabe , S. Kawamura , F. Kawazoe , D. Keitel , D. Kelley , W. Kells , D. G. Keppel , Z. Keresztes , A. Khalaidovski , F. Y. Khalili , E. A. Khazanov , B. K. Kim , C. Kim , H. Kim , K. Kim , N. Kim , Y. M. Kim , P. J. King , D. L. Kinzel , J. S. Kissel , S. Klimenko , J. Kline , K. Kokeyama , V. Kondrashov , S. Koranda , W. Z. Korth , I. Kowalska , D. Kozak , V. Kringel , B. Krishnan , A. Królak , G. Kuehn , P. Kumar , R. Kumar , R. Kurdyumov , P. Kwee , P. K. Lam , M. Landry , A. Langley , B. Lantz , N. Lastzka , C. Lawrie , A. Lazzarini , A. Le Roux , P. Leaci , C. H. Lee , H. K. Lee , H. M. Lee , J. R. Leong , I. Leonor , N. Leroy , N. Letendre , V. Lhuillier , J. Li , T. G. F. Li , P. E. Lindquist , V. Litvine , Y. Liu , Z. Liu , N. A. Lockerbie , D. Lodhia , J. Logue , M. Lorenzini , V. Loriette , M. Lormand , G. Losurdo , J. Lough , M. Lubinski , H. Lück , A. P. Lundgren , J. Macarthur , E. Macdonald , B. Machenschalk , M. MacInnis , D. M. Macleod , M. Mageswaran , K. Mailand , E. Majorana , I. Maksimovic , V. Malvezzi , N. Man , I. Mandel , V. Mandic , M. Mantovani , F. Marchesoni , F. Marion , S. Márka , Z. Márka , A. Markosyan , E. Maros , J. Marque , F. Martelli , I. W. Martin , R. M. Martin , J. N. Marx , K. Mason , A. Masserot , F. Matichard , L. Matone , R. A. Matzner , N. Mavalvala , G. Mazzolo , R. McCarthy , D. E. McClelland , S. C. McGuire , G. McIntyre , J. McIver , G. D. Meadors , M. Mehmet , T. Meier , A. Melatos , A. C. Melissinos , G. Mendell , D. F. Menéndez , R. A. Mercer , S. Meshkov , C. Messenger , M. S. Meyer , H. Miao , C. Michel , L. Milano , J. Miller , Y. Minenkov , C. M. F. Mingarelli , V. P. Mitrofanov , G. Mitselmakher , R. Mittleman , B. Moe , M. Mohan , S. R. P. Mohapatra , D. Moraru , G. Moreno , N. Morgado , A. Morgia , T. Mori , S. R. Morriss , S. Mosca , K. Mossavi , B. Mours , C. M. Mow--Lowry , C. L. Mueller , G. Mueller , S. Mukherjee , A. Mullavey , H. Müller-Ebhardt , J. Munch , D. Murphy , P. G. Murray , A. Mytidis , T. Nash , L. Naticchioni , V. Necula , J. Nelson , I. Neri , G. Newton , T. Nguyen , A. Nishizawa , A. Nitz , F. Nocera , D. Nolting , M. E. Normandin , L. Nuttall , E. Ochsner , J. O'Dell , E. Oelker , G. H. Ogin , J. J. Oh , S. H. Oh , R. G. Oldenberg , B. O'Reilly , R. O'Shaughnessy , C. Osthelder , C. D. Ott , D. J. Ottaway , R. S. Ottens , H. Overmier , B. J. Owen , A. Page , L. Palladino , C. Palomba , Y. Pan , C. Pankow , F. Paoletti , R. Paoletti , M. A. Papa , M. Parisi , A. Pasqualetti , R. Passaquieti , D. Passuello , M. Pedraza , S. Penn , A. Perreca , G. Persichetti , M. Phelps , M. Pichot , M. Pickenpack , F. Piergiovanni , V. Pierro , M. Pihlaja , L. Pinard , I. M. Pinto , M. Pitkin , H. J. Pletsch , M. V. Plissi , R. Poggiani , J. Pöld , F. Postiglione , C. Poux , M. Prato , V. Predoi , T. Prestegard , L. R. Price , M. Prijatelj , M. Principe , S. Privitera , G. A. Prodi , L. G. Prokhorov , O. Puncken , M. Punturo , P. Puppo , V. Quetschke , R. Quitzow-James , F. J. Raab , D. S. Rabeling , I. Rácz , H. Radkins , P. Raffai , M. Rakhmanov , C. Ramet , B. Rankins , P. Rapagnani , V. Raymond , V. Re , C. M. Reed , T. Reed , T. Regimbau , S. Reid , D. H. Reitze , F. Ricci , R. Riesen , K. Riles , M. Roberts , N. A. Robertson , F. Robinet , C. Robinson , E. L. Robinson , A. Rocchi , S. Roddy , C. Rodriguez , M. Rodruck , L. Rolland , J. G. Rollins , R. Romano , J. H. Romie , D. Rosińska , C. Röver , S. Rowan , A. Rüdiger , P. Ruggi , K. Ryan , F. Salemi , L. Sammut , V. Sandberg , S. Sankar , V. Sannibale , L. Santamaría , I. Santiago-Prieto , G. Santostasi , E. Saracco , B. Sassolas , B. S. Sathyaprakash , P. R. Saulson , R. L. Savage , R. Schilling , R. Schnabel , R. M. S. Schofield , B. Schulz , B. F. Schutz , P. Schwinberg , J. Scott , S. M. Scott , F. Seifert , D. Sellers , D. Sentenac , A. Sergeev , D. A. Shaddock , M. Shaltev , B. Shapiro , P. Shawhan , D. H. Shoemaker , T. L Sidery , X. Siemens , D. Sigg , D. Simakov , A. Singer , L. Singer , A. M. Sintes , G. R. Skelton , B. J. J. Slagmolen , J. Slutsky , J. R. Smith , M. R. Smith , R. J. E. Smith , N. D. Smith-Lefebvre , K. Somiya , B. Sorazu , F. C. Speirits , L. Sperandio , M. Stefszky , E. Steinert , J. Steinlechner , S. Steinlechner , S. Steplewski , A. Stochino , R. Stone , K. A. Strain , S. E. Strigin , A. S. Stroeer , R. Sturani , A. L. Stuver , T. Z. Summerscales , M. Sung , S. Susmithan , P. J. Sutton , B. Swinkels , G. Szeifert , M. Tacca , L. Taffarello , D. Talukder , D. B. Tanner , S. P. Tarabrin , R. Taylor , A. P. M. ter Braack , P. Thomas , K. A. Thorne , K. S. Thorne , E. Thrane , A. Thüring , C. Titsler , K. V. Tokmakov , C. Tomlinson , A. Toncelli , M. Tonelli , O. Torre , C. V. Torres , C. I. Torrie , E. Tournefier , F. Travasso , G. Traylor , M. Tse , D. Ugolini , H. Vahlbruch , G. Vajente , J. F. J. van den Brand , C. Van Den Broeck , S. van der Putten , A. A. van Veggel , S. Vass , M. Vasuth , R. Vaulin , M. Vavoulidis , A. Vecchio , G. Vedovato , J. Veitch , P. J. Veitch , K. Venkateswara , D. Verkindt , F. Vetrano , A. Viceré , A. E. Villar , J. -Y. Vinet , S. Vitale , H. Vocca , C. Vorvick , S. P. Vyatchanin , A. Wade , L. Wade , M. Wade , S. J. Waldman , L. Wallace , Y. Wan , M. Wang , X. Wang , A. Wanner , R. L. Ward , M. Was , M. Weinert , A. J. Weinstein , R. Weiss , T. Welborn , L. Wen , P. Wessels , M. West , T. Westphal , K. Wette , J. T. Whelan , S. E. Whitcomb , D. J. White , B. F. Whiting , K. Wiesner , C. Wilkinson , P. A. Willems , L. Williams , R. Williams , B. Willke , M. Wimmer , L. Winkelmann , W. Winkler , C. C. Wipf , A. G. Wiseman , H. Wittel , G. Woan , R. Wooley , J. Worden , J. Yablon , I. Yakushin , H. Yamamoto , K. Yamamoto , C. C. Yancey , H. Yang , D. Yeaton-Massey , S. Yoshida , M. Yvert , A. Zadrożny , M. Zanolin , J. -P. Zendri , F. Zhang , L. Zhang , C. Zhao , N. Zotov , M. E. Zucker , J. Zweizig

Binary neutron star and short gamma-ray burst simulations in light of GW170817

In the dawn of the multi-messenger era including gravitational waves, which was marked by the first ever coincident detection of gravitational waves and electromagnetic radiation it is important to lay back and think about established…

High Energy Astrophysical Phenomena · Physics 2018-08-20 Antonios Nathanail

Data analysis of gravitational-wave signals from spinning neutron stars. III. Detection statistics and computational requirements

We develop the analytic and numerical tools for data analysis of the gravitational-wave signals from spinning neutron stars for ground-based laser interferometric detectors. We study in detail the statistical properties of the optimum…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Piotr Jaranowski , Andrzej Krolak

A physical template family for gravitational waves from precessing binaries of spinning compact objects: Application to single-spin binaries

The detection of the gravitational waves (GWs) emitted by precessing binaries of spinning compact objects is complicated by the large number of parameters (such as the magnitudes and initial directions of the spins, and the position and…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Yi Pan , Alessandra Buonanno , Yanbei Chen , Michele Vallisneri

Deep exploration for continuous gravitational waves at 171--172 Hz in LIGO second observing run data

We pursue a novel strategy towards a first detection of continuous gravitational waves from rapidly-rotating deformed neutron stars. Computational power is focused on a narrow region of signal parameter space selected by a…

General Relativity and Quantum Cosmology · Physics 2022-03-21 Karl Wette , Liam Dunn , Patrick Clearwater , Andrew Melatos

Implementing a search for aligned-spin neutron star -- black hole systems with advanced ground based gravitational wave detectors

We study the effect of spins on searches for gravitational waves from compact binary coalescences in realistic simulated early advanced LIGO data. We construct a detection pipeline including matched filtering, signal-based vetoes, a…

General Relativity and Quantum Cosmology · Physics 2014-10-28 Tito Dal Canton , Alexander H. Nitz , Andrew P. Lundgren , Alex B. Nielsen , Duncan A. Brown , Thomas Dent , Ian W. Harry , Badri Krishnan , Andrew J. Miller , Karl Wette , Karsten Wiesner , Joshua L. Willis

Basic Parameter Estimation of Binary Neutron Star Systems by the Advanced LIGO/Virgo Network

Within the next five years, it is expected that the Advanced LIGO/Virgo network will have reached a sensitivity sufficient to enable the routine detection of gravitational waves. Beyond the initial detection, the scientific promise of these…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Carl L Rodriguez , Benjamin Farr , Vivien Raymond , Will M Farr , Tyson Littenberg , Diego Fazi , Vicky Kalogera

Relativistic Models for Binary Neutron Stars with Arbitrary Spins

We introduce a new numerical scheme for solving the initial value problem for quasiequilibrium binary neutron stars allowing for arbitrary spins. The coupled Einstein field equations and equations of relativistic hydrodynamics are solved in…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Pedro Marronetti , Stuart L. Shapiro

Efficient fully precessing gravitational waveforms for binaries with neutron stars

We construct an efficient frequency domain waveform for generic circular compact object binaries that include neutron stars. The orbital precession is solved on the radiation reaction timescale (and then transformed to the frequency…

General Relativity and Quantum Cosmology · Physics 2023-08-28 Michael LaHaye , Huan Yang , Béatrice Bonga , Zhenwei Lyu

Waveform systematics for binary neutron star gravitational wave signals: effects of the point-particle baseline and tidal descriptions

Gravitational wave (GW) astronomy has consolidated its role as a new observational window to reveal the properties of compact binaries in the Universe. In particular, the discovery of the first binary neutron star coalescence, GW170817, led…

General Relativity and Quantum Cosmology · Physics 2018-12-26 Anuradha Samajdar , Tim Dietrich

Impact of gravitational waveform model systematics on the measurement of the Hubble constant

Matching gravitational-wave observations of binary neutron stars with theoretical model predictions reveals important information about the sources, such as the masses and the distance to the stars. The latter can be used to determine the…

General Relativity and Quantum Cosmology · Physics 2024-08-16 Nina Kunert , Jonathan Gair , Peter T. H. Pang , Tim Dietrich

Solving the relativistic inverse stellar problem through gravitational waves observation of binary neutron stars

The LIGO/Virgo collaboration has recently announced the direct detection of gravitational waves emitted in the coalescence of a neutron star binary. This discovery allows, for the first time, to set new constraints on the behavior of matter…

General Relativity and Quantum Cosmology · Physics 2018-04-17 Tiziano Abdelsalhin , Andrea Maselli , Valeria Ferrari

Statistical and systematic uncertainties in extracting the source properties of neutron star - black hole binaries with gravitational waves

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

Use of gravitational waves to probe the formation channels of compact binaries

With the discovery of the binary black hole coalescence GW150914, the era of gravitational-wave astrophysics has started. Gravitational-wave signals emitted by compact binary coalescences will be detected in large number by LIGO and Virgo…

General Relativity and Quantum Cosmology · Physics 2017-03-15 Salvatore Vitale , Ryan Lynch , Riccardo Sturani , Philip Graff

Observing Gravitational Waves From The Post-Merger Phase Of Binary Neutron Star Coalescence

We present an effective, low-dimensionality frequency-domain template for the gravitational wave signal from the stellar remnants from binary neutron star coalescence. A principal component decomposition of a suite of numerical simulations…

High Energy Astrophysical Phenomena · Physics 2016-04-13 James Alexander Clark , Andreas Bauswein , Nikolaos Stergioulas , Deirdre Shoemaker