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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
GW190425: Observation of a Compact Binary Coalescence with Total Mass ∼ 3.4 M o
Astrophysical Journal Letters, Volume 892, No. 1, Article L3, Year 2020
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Description
On 2019 April 25, the LIGO Livingston detector observed a compact binary coalescence with signal-to-noise ratio 12.9. The Virgo detector was also taking data that did not contribute to detection due to a low signal-to-noise ratio, but were used for subsequent parameter estimation. The 90% credible intervals for the component masses range from to if we restrict the dimensionless component spin magnitudes to be smaller than 0.05). These mass parameters are consistent with the individual binary components being neutron stars. However, both the source-frame chirp mass and the total mass of this system are significantly larger than those of any other known binary neutron star (BNS) system. The possibility that one or both binary components of the system are black holes cannot be ruled out from gravitational-wave data. We discuss possible origins of the system based on its inconsistency with the known Galactic BNS population. Under the assumption that the signal was produced by a BNS coalescence, the local rate of neutron star mergers is updated to 250-2810. © 2020. The Author(s). Published by the American Astronomical Society..
Authors & Co-Authors
Abraham, Sheelu
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Ackley, Kendall D.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Aloy, Miguel Ángel
Spain, Valencia
Universitat de València
Anand, Shreya G.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Antier, Sarah
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Arnaud, Nicolas
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Babak, Stanislav V.
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Barbieri, C.
Italy, Milan
Università Degli Studi Di Milano-bicocca
Barish, Barry C.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Bernuzzi, Sebastiano
Germany, Jena
Friedrich-schiller-universität Jena
Berry, Christopher P.L.
United States, Evanston
Northwestern University
Bitossi, Massimiliano
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Bloemen, Steven
Netherlands, Nijmegen
Radboud Universiteit
Boër, Michel
France, Paris
Cnrs Centre National de la Recherche Scientifique
Bogaert, Gilles
France, Paris
Cnrs Centre National de la Recherche Scientifique
Bouffanais, Yann
Italy, Padua
Università Degli Studi Di Padova
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Brady, Patrick R.
United States, Milwaukee
University of Wisconsin-milwaukee
Branchesi, Marica
Italy, L'aquila
Gran Sasso Science Institute
Italy, Assergi
Laboratori Nazionali Del Gran Sasso
Bulk, Tomasz
Poland, Warsaw
University of Warsaw
Buonanno, Alessandra
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
United States, College Park
University of Maryland, College Park
Cagnoli, Gianpietro
France, Villeurbanne
Institut Lumière Matière
Camp, Jordan B.
United States, Greenbelt
Nasa Goddard Space Flight Center
Canepa, Maurizio
Italy, Genoa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Genova
Italy, Genoa
Università Degli Studi Di Genova
Casentini, Claudio
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Cavalier, Fabien
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Chatterjee, Deep
United States, Milwaukee
University of Wisconsin-milwaukee
Chen, Hsinyu
United States, Chicago
The University of Chicago
Chen, Yanbei
United States, Pasadena
California Institute of Technology
Christensen, Nelson L.
France, Paris
Cnrs Centre National de la Recherche Scientifique
United States, Northfield
Carleton College, Usa
Cieślar, Marek
Poland, Warszawa
Polish Academy of Sciences
Ciolfi, Riccardo
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Colpi, Monica
Italy, Milan
Università Degli Studi Di Milano-bicocca
Cominsky, Lynn R.
United States, Rohnert Park
Sonoma State University
Corre, David
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Corsi, Alessandra
United States, Lubbock
Texas Tech University
Coughlin, Michael W.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Coulon, Jean Pierre
France, Paris
Cnrs Centre National de la Recherche Scientifique
Coward, David M.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Davier, Michel
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
DeBra, Daniel B.
United States, Palo Alto
Stanford University
de Laurentis, Mariafelicia
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
DeMarchi, Lindsay M.
United States, Evanston
Northwestern University
DeSalvo, Riccardo
Italy, Benevento
Università Degli Studi Del Sannio
Dietrich, Tim
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Giacomelli, Paolo
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Di Girolamo, Tristano
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Di Palma, Irene
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Italy, Rome
Sapienza Università Di Roma
Doctor, Zoheyr
United States, Chicago
The University of Chicago
Ducoin, Jean Grégoire
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Eikenberry, Stephen S.
United States, Gainesville
University of Florida
Etienne, Zachariah B.
United States, Morgantown
West Virginia University
Evans, Matthew J.
United States, Cambridge
Massachusetts Institute of Technology
Mikal-Evans, Thomas Michael
United States, Livingston
Ligo Livingston
Fairhurst, Stephen
United Kingdom, Cardiff
Cardiff University
Farr, Benjamin F.
United States, Eugene
University of Oregon
Farr, Will M.
United Kingdom, Birmingham
University of Birmingham
Feng, Fabo
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Fernández-Galiana, Alvaro
United States, Cambridge
Massachusetts Institute of Technology
Fiorucci, Donatella
Italy, L'aquila
Gran Sasso Science Institute
Italy, Assergi
Laboratori Nazionali Del Gran Sasso
Fisher, Ryan P.
United States, Newport News
Christopher Newport University
Fittipaldi, Rosalba
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Italy, Fisciano
Cnr - Superconducting and Other Innovative Materials and Devices Institute, Salerno
Gair, Jonathan R.
United Kingdom, Edinburgh
The University of Edinburgh
Garufi, Fabio S.
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Italy, Naples
Università Degli Studi Di Napoli Federico Ii
Gergely, László Árpád
Hungary, Szeged
Szegedi Tudományegyetem Szte
Ghosh, Archisman
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Ghosh, Shaon
United States, Milwaukee
University of Wisconsin-milwaukee
Gopakumar, Achamveedu
India, Mumbai
Tata Institute of Fundamental Research, Mumbai
Grado, Aniello
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Greco, Giuseppe
Italy, Urbino
Università Degli Studi Di Urbino Carlo bo
Italy, Sesto Fiorentino
Istituto Nazionale Di Fisica Nucleare, Sezione Di Firenze
Groot, Paul J.
Netherlands, Nijmegen
Radboud Universiteit
Haegel, Leïla
Spain, Palma
Universitat de Les Illes Balears
Hanna, Chad R.
United States, University Park
Pennsylvania State University
Hannam, Mark D.
United Kingdom, Cardiff
Cardiff University
Healy, James
United States, Rochester
Rochester Institute of Technology
Hello, Patrice
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Heurs, Michele
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Hinderer, Tanja
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Ho, Wynn C.G.
United States, Haverford
Haverford College
Holz, Daniel E.
United States, Chicago
The University of Chicago
Hopkins, Philip F.
United Kingdom, Cardiff
Cardiff University
Howell, Eric J.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Husa, Sascha
Spain, Palma
Universitat de Les Illes Balears
Isi, Maximiliano
United States, Cambridge
Massachusetts Institute of Technology
Jani, Karan P.
United States, Atlanta
Georgia Institute of Technology
Johnson-McDaniel, Nathan K.
United Kingdom, Cambridge
University of Cambridge
Katsavounidis, Erotokritos
United States, Cambridge
Massachusetts Institute of Technology
Key, Joey S.
United States, Bothell
University of Washington-bothell
Koch, Patrick Michel
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Kramer, Carsten
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Kwang, Shawn A.
United States, Milwaukee
University of Wisconsin-milwaukee
Lasky, Paul D.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Lazzaro, Claudia
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Lee, Hyung-mok
South Korea, Daejeon
Korea Astronomy and Space Science Institute
Leroy, Nicolas
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Linde, Frank L.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Littenberg, Tyson B.
United States, Huntsville
Nasa Marshall Space Flight Center
London, Lionel T.
United States, Cambridge
Massachusetts Institute of Technology
Loustó, Carlos O.
United States, Rochester
Rochester Institute of Technology
Lovelace, Geoffrey
United States, Fullerton
California State University, Fullerton
Lower, Marcus E.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Lynch, Ryan S.
United States, Cambridge
Massachusetts Institute of Technology
MacLeod, Duncan M.
United Kingdom, Cardiff
Cardiff University
Mapelli, Michela
Italy, Padua
Università Degli Studi Di Padova
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Marchesoni, Fabio
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Camerino
Università Degli Studi Di Camerino
Markowitz, Alex G.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
McClelland, David E.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
McIver, Jessica
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Middleton, Hannah R.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Minazzoli, Olivier L.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Monaco, Monte Carlo
Centre Scientifique de Monaco
Mitra, Sanjit
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Mitselmakher, Guenakh V.
United States, Gainesville
University of Florida
Moore, Christopher J.
United Kingdom, Birmingham
University of Birmingham
Mukund, Nikhil
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Nagar, Alessandro
Italy, Rome
Museo Storico Della Fisica e Centro Studi e Ricerche Enrico Fermi
Italy, Turin
Istituto Nazionale Di Fisica Nucleare, Sezione Di Torino
France, Bures Sur Yvette
Institut Des Hautes Études Scientifiques
Nelemans, Gijs A.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Netherlands, Nijmegen
Radboud Universiteit
Nichols, David A.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Nissanke, Samaya M.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Ohme, Frank
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Panda, Prafulla Kumar
Unknown Affiliation
Pang, Peter T.H.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Hong Kong, Hong Kong
Chinese University of Hong Kong
Paoletti, Federico
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Patricelli, Barbara
Italy, Pisa
Università Di Pisa
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Perego, Albino
Italy, Trento
Università Di Trento
Italy, Povo
Trento Institute for Fundamental Physics and Applications
Pfeiffer, Harald P.
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Pierro, Vincenzo
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Italy, Benevento
Università Degli Studi Del Sannio
Pürrer, Michael
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Qi, Hong
United Kingdom, Cardiff
Cardiff University
Raaijmakers, Geert
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Rana, Javed
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Razzano, Massimiliano
Italy, Pisa
Università Di Pisa
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Reid, Stuart W. J.
United Kingdom, Glasgow
University of Strathclyde
Ricker, Paul M.
United States, Urbana
University of Illinois Urbana-champaign
Rolland, Loïc
France, Chambery
Université Savoie Mont Blanc
Rose, Caitlin A.
United States, Milwaukee
University of Wisconsin-milwaukee
Sakellariadou, Mairi
United Kingdom, London
King's College London
Scheel, Mark A.
United States, Pasadena
California Institute of Technology
Schmidt, Patricia
United Kingdom, Birmingham
University of Birmingham
Netherlands, Nijmegen
Radboud Universiteit
Scott, Susan M.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Seidel, Edward
United States, Urbana
University of Illinois Urbana-champaign
Sengupta, Anand S.
India, Gandhinagar
Indian Institute of Technology Gandhinagar
Shawhan, Peter S.
United States, College Park
University of Maryland, College Park
Shoemaker, Deirdre M.
United States, Atlanta
Georgia Institute of Technology
Sigg, Daniel
Unknown Affiliation
Singer, Leo P.
United States, Greenbelt
Nasa Goddard Space Flight Center
Slaven-Blair, Teresa J.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Somala, Surendra Nadh
India, Kandi
Indian Institute of Technology Hyderabad
Souradeep, Tarun
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Staats, Kai
United States, Evanston
Northwestern University
Stachie, Cosmin
France, Paris
Cnrs Centre National de la Recherche Scientifique
Stratta, Giulia
Italy, Sesto Fiorentino
Istituto Nazionale Di Fisica Nucleare, Sezione Di Firenze
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Tao, Duo
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Thomas, Michael Bijoy
United States, Livingston
Ligo Livingston
Brand, Jan F.Jvan Den
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Netherlands, Amsterdam
Vrije Universiteit Amsterdam
van den Broeck, Christian
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Netherlands, Groningen
Rijksuniversiteit Groningen
Veitch, John D.
United Kingdom, Glasgow
University of Glasgow
Vinciguerra, Serena
United Kingdom, Birmingham
University of Birmingham
Williamson, Andrew R.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Zimmerman, Aaron B.
United States, Austin
The University of Texas at Austin
Statistics
Citations: 963
Authors: 158
Affiliations: 169
Identifiers
Doi:
10.3847/2041-8213/ab75f5
ISSN:
20418205
Study Design
Cross Sectional Study