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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo's first three observing runs
Physical Review D, Volume 104, No. 2, Article 022005, Year 2021
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Description
We report results from searches for anisotropic stochastic gravitational-wave backgrounds using data from the first three observing runs of the Advanced LIGO and Advanced Virgo detectors. For the first time, we include Virgo data in our analysis and run our search with a new efficient pipeline called pystoch on data folded over one sidereal day. We use gravitational-wave radiometry (broadband and narrow band) to produce sky maps of stochastic gravitational-wave backgrounds and to search for gravitational waves from point sources. A spherical harmonic decomposition method is employed to look for gravitational-wave emission from spatially-extended sources. Neither technique found evidence of gravitational-wave signals. Hence we derive 95% confidence-level upper limit sky maps on the gravitational-wave energy flux from broadband point sources, ranging from Fα,Θ<(0.013-7.6)×10-8 erg cm-2 s-1 Hz-1, and on the (normalized) gravitational-wave energy density spectrum from extended sources, ranging from ωα,Θ<(0.57-9.3)×10-9 sr-1, depending on direction (Θ) and spectral index (α). These limits improve upon previous limits by factors of 2.9-3.5. We also set 95% confidence level upper limits on the frequency-dependent strain amplitudes of quasimonochromatic gravitational waves coming from three interesting targets, Scorpius X-1, SN 1987A and the Galactic Center, with best upper limits range from h0<(1.7-2.1)×10-25, a factor of ≥2.0 improvement compared to previous stochastic radiometer searches. © 2021 American Physical Society. All rights reserved.
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
Anand, Shreya G.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Ansoldi, Stefano
Italy, Udine
Università Degli Studi Di Udine
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Antier, Sarah
France, Paris
Cnrs Centre National de la Recherche Scientifique
Arnaud, Nicolas
France, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
Babak, Stanislav V.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Bagnasco, Stefano
Italy, Turin
Istituto Nazionale Di Fisica Nucleare, Sezione Di Torino
Barbieri, C.
Italy, Milan
Università Degli Studi Di Milano-bicocca
Italy, Bicocca
Istituto Nazionale Di Fisica Nucleare, Sezione Di Milano-bicocca
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Barish, Barry C.
United States, Cambridge
Laser Interferometer Gravitational-wave Observatory
Bernuzzi, Sebastiano
Germany, Jena
Friedrich-schiller-universität Jena
United States, Evanston
Northwestern University
Bitossi, Massimiliano
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
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, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Bruno, Giuseppe Eugenio
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Bulk, Tomasz
Poland, Warsaw
University of Warsaw
Buonanno, Alessandra
United States, College Park
University of Maryland, College Park
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Cagnoli, Gianpietro
France, Villeurbanne
Institut Lumière Matière
Cain, Iii W.
United States, Baton Rouge
Louisiana State University
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
Carpinelli, Massimo
Italy, Sassari
Università Degli Studi Di Sassari
Italy, Catania
Infn - Laboratori Nazionali Del Sud
Casentini, Claudio
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Italy, Rome
Istituto Nazionale Di Fisica Nucleare, Sezione Di Roma Tor Vergata
Cavalier, Fabien
France, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
Chaibi, Walid
France, Paris
Cnrs Centre National de la Recherche Scientifique
Chanial, Pierre F.
Unknown Affiliation
Chatterjee, Deep
United States, Milwaukee
University of Wisconsin-milwaukee
Chen, Andrew W.
Hong Kong, Hong Kong
Chinese University of Hong Kong
Chen, Chianshu
Taiwan, Taipei
Tamkang University
Taiwan, Hsinchu
National Tsing Hua University
Chen, Hsinyu
United States, Chicago
The University of Chicago
Christensen, Nelson L.
France, Paris
Cnrs Centre National de la Recherche Scientifique
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
Clesse, Sébastien
Belgium, Brussels
Université Libre de Bruxelles
Colpi, Monica
Italy, Milan
Università Degli Studi Di Milano-bicocca
Italy, Bicocca
Istituto Nazionale Di Fisica Nucleare, Sezione Di Milano-bicocca
Corre, David
France, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
Corsi, Alessandra
United States, Lubbock
Texas Tech University
Coughlin, Michael W.
United States, Minneapolis
University of Minnesota Twin Cities
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
Curyło, Małgorzata
Poland, Warsaw
University of Warsaw
Davier, Michel
France, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
DeBra, Daniel B.
United States, Palo Alto
Stanford University
DeMarchi, Lindsay M.
United States, Evanston
Northwestern University
DeSalvo, Riccardo
Italy, Benevento
Università Degli Studi Del Sannio
Dietrich, Tim
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Di Giorgio, Cinzia
Italy, Salerno
Università Degli Studi Di Salerno
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, Eugene
University of Oregon
Ducoin, Jean Grégoire
France, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
D'Urso, Domenico
Italy, Sassari
Università Degli Studi Di Sassari
Italy, Catania
Infn - Laboratori Nazionali Del Sud
Duverne, Pierre Alexandre
France, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
Edelman, Bruce
United States, Eugene
University of Oregon
Eguchi, Satoshi
Japan, Fukuoka
Fukuoka University
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 States, Stony Brook
Stony Brook University
United States, New York
Simons Foundation
Feng, Fabo
France, Paris
Cnrs Centre National de la Recherche Scientifique
Fernández-Galiana, Alvaro
United States, Cambridge
Massachusetts Institute of Technology
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.
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Ganguly, Apratim
India, Mumbai
Tata Institute of Fundamental Research, Mumbai
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
Belgium, Ghent
Universiteit Gent
Ghosh, Shaon
United States, Milwaukee
University of Wisconsin-milwaukee
United States, Montclair
Montclair State University
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, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Haegel, Leïla
France, Paris
Cnrs Centre National de la Recherche Scientifique
Hanna, Chad R.
United States, University Park
Pennsylvania State University
Hannam, Mark D.
United Kingdom, Cardiff
Cardiff University
Hattori, Kentaro
Japan, Toyama
University of Toyama
Healy, James
United States, Rochester
Rochester Institute of Technology
Hello, Patrice
France, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
Heurs, Michele
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
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
Kanda, Nobuyuki
Japan, Osaka
Osaka Metropolitan University
Katsavounidis, Erotokritos
United States, Cambridge
Massachusetts Institute of Technology
Kawai, Nobuyuki
Japan, Kawaguchi
Japan Science and Technology Agency
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
Kong, Albert K.H.
Taiwan, Hsinchu
National Tsing Hua University
Kwang, Shawn A.
United States, Milwaukee
University of Wisconsin-milwaukee
Lamberts, Astrid
France, Paris
Cnrs Centre National de la Recherche Scientifique
France, Nice
Laboratoire Joseph-louis Lagrange
Lasky, Paul D.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Lazzaro, Claudia
Italy, Padua
Università Degli Studi Di Padova
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, Orsay
Laboratoire de Physique Des 2 Infinis Irène Joliot-curie
Li, Kwan Lok
Taiwan, Hsinchu
National Tsing Hua University
Linde, Frank L.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Littenberg, Tyson B.
United States, Huntsville
Nasa Marshall Space Flight Center
Liu, Kuo
Taiwan, Hsinchu
National Tsing Hua University
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
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
Martínez, Mario J.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
McClelland, David E.
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
McIver, Jessica
Canada, Vancouver
The University of British Columbia
Merritt, J. D.
United States, Eugene
University of Oregon
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
Mohite, Siddharth R.
United States, Milwaukee
University of Wisconsin-milwaukee
Moore, Christopher J.
United Kingdom, Birmingham
University of Birmingham
More, Anupreeta
India, Pune
Inter-university Centre for Astronomy and Astrophysics India
Mukund, Nikhil
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Germany, Hannover
Gottfried Wilhelm Leibniz Universität Hannover
Nelemans, Gijs A.
Netherlands, Nijmegen
Radboud Universiteit
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
Olivetto, Christian
Unknown Affiliation
Panda, Prafulla Kumar
Unknown Affiliation
Pang, Peter T.H.
Netherlands, Amsterdam
Fom-institute of Subatomic Physics - Nikhef
Netherlands, Utrecht
Universiteit Utrecht
Paoletti, Federico
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Paolone, Annalisa
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Italy, Rome
Consiglio Nazionale Delle Ricerche
Patel, Miti
United States, Newport News
Christopher Newport University
Patricelli, Barbara
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
Perriès, Stèphane
France, Lyon
Université de Lyon
Pfeiffer, Harald P.
Germany, Potsdam
Max-planck-institut Für Gravitationsphysik Albert-einstein-institut
Pierro, Vincenzo
Italy, Benevento
Università Degli Studi Del Sannio
Italy, Naples
Istituto Nazionale Di Fisica Nucleare, Sezione Di Napoli
Piotrzkowski, Krzysztof
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Placidi, Ernesto
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Italy, Rome
Sapienza Università Di Roma
Pradier, Thierry
France, Strasbourg
Institut Pluridisciplinaire Hubert Curien
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
United States, University Park
Pennsylvania State University
Razzano, Massimiliano
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Italy, Pisa
Università 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
Statistics
Citations: 59
Authors: 150
Affiliations: 203
Identifiers
Doi:
10.1103/PhysRevD.104.022005
ISSN:
24700010
Research Areas
Environmental