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  1. Article ; Online: Low-latency gravitational wave alert products and their performance at the time of the fourth LIGO-Virgo-KAGRA observing run.

    Chaudhary, Sushant Sharma / Toivonen, Andrew / Waratkar, Gaurav / Mo, Geoffrey / Chatterjee, Deep / Antier, Sarah / Brockill, Patrick / Coughlin, Michael W / Essick, Reed / Ghosh, Shaon / Morisaki, Soichiro / Baral, Pratyusava / Baylor, Amanda / Adhikari, Naresh / Brady, Patrick / Cabourn Davies, Gareth / Dal Canton, Tito / Cavaglia, Marco / Creighton, Jolien /
    Choudhary, Sunil / Chu, Yu-Kuang / Clearwater, Patrick / Davis, Luke / Dent, Thomas / Drago, Marco / Ewing, Becca / Godwin, Patrick / Guo, Weichangfeng / Hanna, Chad / Huxford, Rachael / Harry, Ian / Katsavounidis, Erik / Kovalam, Manoj / Li, Alvin K Y / Magee, Ryan / Marx, Ethan / Meacher, Duncan / Messick, Cody / Morice-Atkinson, Xan / Pace, Alexander / De Pietri, Roberto / Piotrzkowski, Brandon / Roy, Soumen / Sachdev, Surabhi / Singer, Leo P / Singh, Divya / Szczepanczyk, Marek / Tang, Daniel / Trevor, Max / Tsukada, Leo / Villa-Ortega, Verónica / Wen, Linqing / Wysocki, Daniel

    Proceedings of the National Academy of Sciences of the United States of America

    2024  Volume 121, Issue 18, Page(s) e2316474121

    Abstract: Multimessenger searches for binary neutron star (BNS) and neutron star-black hole (NSBH) mergers are currently one of the most exciting areas of astronomy. The search for joint electromagnetic and neutrino counterparts to gravitational wave (GW)s has ... ...

    Abstract Multimessenger searches for binary neutron star (BNS) and neutron star-black hole (NSBH) mergers are currently one of the most exciting areas of astronomy. The search for joint electromagnetic and neutrino counterparts to gravitational wave (GW)s has resumed with ALIGO's, AdVirgo's and KAGRA's fourth observing run (O4). To support this effort, public semiautomated data products are sent in near real-time and include localization and source properties to guide complementary observations. In preparation for O4, we have conducted a study using a simulated population of compact binaries and a mock data challenge (MDC) in the form of a real-time replay to optimize and profile the software infrastructure and scientific deliverables. End-toend performance was tested, including data ingestion, running online search pipelines, performing annotations, and issuing alerts to the astrophysics community. We present an overview of the low-latency infrastructure and the performance of the data products that are now being released during O4 based on the MDC. We report the expected median latency for the preliminary alert of full bandwidth searches (29.5 s) and show consistency and accuracy of released data products using the MDC. We report the expected median latency for triggers from early warning searches (-3.1 s), which are new in O4 and target neutron star mergers during inspiral phase. This paper provides a performance overview for LIGO-Virgo-KAGRA (LVK) low-latency alert infrastructure and data products using theMDCand serves as a useful reference for the interpretation of O4 detections.
    Language English
    Publishing date 2024-04-23
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2316474121
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO's and Advanced Virgo's Third Observing Run.

    Abbott, R / Abbott, T D / Acernese, F / Ackley, K / Adams, C / Adhikari, N / Adhikari, R X / Adya, V B / Affeldt, C / Agarwal, D / Agathos, M / Agatsuma, K / Aggarwal, N / Aguiar, O D / Aiello, L / Ain, A / Ajith, P / Albanesi, S / Allocca, A /
    Altin, P A / Amato, A / Anand, C / Anand, S / Ananyeva, A / Anderson, S B / Anderson, W G / Andrade, T / Andres, N / Andrić, T / Angelova, S V / Ansoldi, S / Antelis, J M / Antier, S / Appert, S / Arai, K / Araya, M C / Areeda, J S / Arène, M / Arnaud, N / Aronson, S M / Arun, K G / Asali, Y / Ashton, G / Assiduo, M / Aston, S M / Astone, P / Aubin, F / Austin, C / Babak, S / Badaracco, F / Bader, M K M / Badger, C / Bae, S / Baer, A M / Bagnasco, S / Bai, Y / Baird, J / Ball, M / Ballardin, G / Ballmer, S W / Balsamo, A / Baltus, G / Banagiri, S / Bankar, D / Barayoga, J C / Barbieri, C / Barish, B C / Barker, D / Barneo, P / Barone, F / Barr, B / Barsotti, L / Barsuglia, M / Barta, D / Bartlett, J / Barton, M A / Bartos, I / Bassiri, R / Basti, A / Bawaj, M / Bayley, J C / Baylor, A C / Bazzan, M / Bécsy, B / Bedakihale, V M / Bejger, M / Belahcene, I / Benedetto, V / Beniwal, D / Bennett, T F / Bentley, J D / BenYaala, M / Bergamin, F / Berger, B K / Bernuzzi, S / Berry, C P L / Bersanetti, D / Bertolini, A / Betzwieser, J / Beveridge, D / Bhandare, R / Bhardwaj, U / Bhattacharjee, D / Bhaumik, S / Bilenko, I A / Billingsley, G / Bini, S / Birney, R / Birnholtz, O / Biscans, S / Bischi, M / Biscoveanu, S / Bisht, A / Biswas, B / Bitossi, M / Bizouard, M-A / Blackburn, J K / Blair, C D / Blair, D G / Blair, R M / Bobba, F / Bode, N / Boer, M / Bogaert, G / Boldrini, M / Bonavena, L D / Bondu, F / Bonilla, E / Bonnand, R / Booker, P / Boom, B A / Bork, R / Boschi, V / Bose, N / Bose, S / Bossilkov, V / Boudart, V / Bouffanais, Y / Bozzi, A / Bradaschia, C / Brady, P R / Bramley, A / Branch, A / Branchesi, M / Brau, J E / Breschi, M / Briant, T / Briggs, J H / Brillet, A / Brinkmann, M / Brockill, P / Brooks, A F / Brooks, J / Brown, D D / Brunett, S / Bruno, G / Bruntz, R / Bryant, J / Bulik, T / Bulten, H J / Buonanno, A / Buscicchio, R / Buskulic, D / Buy, C / Byer, R L / Cadonati, L / Cagnoli, G / Cahillane, C / Bustillo, J Calderón / Callaghan, J D / Callister, T A / Calloni, E / Cameron, J / Camp, J B / Canepa, M / Canevarolo, S / Cannavacciuolo, M / Cannon, K C / Cao, H / Capote, E / Carapella, G / Carbognani, F / Carlin, J B / Carney, M F / Carpinelli, M / Carrillo, G / Carullo, G / Carver, T L / Diaz, J Casanueva / Casentini, C / Castaldi, G / Caudill, S / Cavaglià, M / Cavalier, F / Cavalieri, R / Ceasar, M / Cella, G / Cerdá-Durán, P / Cesarini, E / Chaibi, W / Chakravarti, K / Subrahmanya, S Chalathadka / Champion, E / Chan, C-H / Chan, C / Chan, C L / Chan, K / Chandra, K / Chanial, P / Chao, S / Charlton, P / Chase, E A / Chassande-Mottin, E / Chatterjee, C / Chatterjee, Debarati / Chatterjee, Deep / Chaturvedi, M / Chaty, S / Chatziioannou, K / Chen, H Y / Chen, J / Chen, X / Chen, Y / Chen, Z / Cheng, H / Cheong, C K / Cheung, H Y / Chia, H Y / Chiadini, F / Chiarini, G / Chierici, R / Chincarini, A / Chiofalo, M L / Chiummo, A / Cho, G / Cho, H S / Choudhary, R K / Choudhary, S / Christensen, N / Chu, Q / Chua, S / Chung, K W / Ciani, G / Ciecielag, P / Cieślar, M / Cifaldi, M / Ciobanu, A A / Ciolfi, R / Cipriano, F / Cirone, A / Clara, F / Clark, E N / Clark, J A / Clarke, L / Clearwater, P / Clesse, S / Cleva, F / Coccia, E / Codazzo, E / Cohadon, P-F / Cohen, D E / Cohen, L / Colleoni, M / Collette, C G / Colombo, A / Colpi, M / Compton, C M / Constancio, M / Conti, L / Cooper, S J / Corban, P / Corbitt, T R / Cordero-Carrión, I / Corezzi, S / Corley, K R / Cornish, N / Corre, D / Corsi, A / Cortese, S / Costa, C A / Cotesta, R / Coughlin, M W / Coulon, J-P / Countryman, S T / Cousins, B / Couvares, P / Coward, D M / Cowart, M J / Coyne, D C / Coyne, R / Creighton, J D E / Creighton, T D / Criswell, A W / Croquette, M / Crowder, S G / Cudell, J R / Cullen, T J / Cumming, A / Cummings, R / Cunningham, L / Cuoco, E / Curyło, M / Dabadie, P / Canton, T Dal / Dall'Osso, S / Dálya, G / Dana, A / DaneshgaranBajastani, L M / D'Angelo, B / Danilishin, S / D'Antonio, S / Danzmann, K / Darsow-Fromm, C / Dasgupta, A / Datrier, L E H / Datta, S / Dattilo, V / Dave, I / Davier, M / Davies, G S / Davis, D / Davis, M C / Daw, E J / Dean, R / DeBra, D / Deenadayalan, M / Degallaix, J / De Laurentis, M / Deléglise, S / Del Favero, V / De Lillo, F / De Lillo, N / Del Pozzo, W / DeMarchi, L M / De Matteis, F / D'Emilio, V / Demos, N / Dent, T / Depasse, A / De Pietri, R / De Rosa, R / De Rossi, C / DeSalvo, R / De Simone, R / Dhurandhar, S / Díaz, M C / Diaz-Ortiz, M / Didio, N A / Dietrich, T / Di Fiore, L / Di Fronzo, C / Di Giorgio, C / Di Giovanni, F / Di Giovanni, M / Di Girolamo, T / Di Lieto, A / Ding, B / Di Pace, S / Di Palma, I / Di Renzo, F / Divakarla, A K / Dmitriev, A / Doctor, Z / D'Onofrio, L / Donovan, F / Dooley, K L / Doravari, S / Dorrington, I / Drago, M / Driggers, J C / Drori, Y / Ducoin, J-G / Dupej, P / Durante, O / D'Urso, D / Duverne, P-A / Dwyer, S E / Eassa, C / Easter, P J / Ebersold, M / Eckhardt, T / Eddolls, G / Edelman, B / Edo, T B / Edy, O / Effler, A / Eichholz, J / Eikenberry, S S / Eisenmann, M / Eisenstein, R A / Ejlli, A / Engelby, E / Errico, L / Essick, R C / Estellés, H / Estevez, D / Etienne, Z / Etzel, T / Evans, M / Evans, T M / Ewing, B E / Fafone, V / Fair, H / Fairhurst, S / Farah, A M / Farinon, S / Farr, B / Farr, W M / Farrow, N W / Fauchon-Jones, E J / Favaro, G / Favata, M / Fays, M / Fazio, M / Feicht, J / Fejer, M M / Fekecs, B / Fenyvesi, E / Ferguson, D L / Fernandez-Galiana, A / Ferrante, I / Ferreira, T A / Fidecaro, F / Figura, P / Fiori, I / Fishbach, M / Fisher, R P / Fittipaldi, R / Fiumara, V / Flaminio, R / Floden, E / Fong, H / Font, J A / Fornal, B / Forsyth, P W F / Franke, A / Frasca, S / Frasconi, F / Frederick, C / Freed, J P / Frei, Z / Freise, A / Frey, R / Fritschel, P / Frolov, V V / Fronzé, G G / Fulda, P / Fyffe, M / Gabbard, H A / Gadre, B U / Gair, J R / Gais, J / Galaudage, S / Gamba, R / Ganapathy, D / Ganguly, A / Gaonkar, S G / Garaventa, B / García-Núñez, C / García-Quirós, C / Garufi, F / Gateley, B / Gaudio, S / Gayathri, V / Gemme, G / Gennai, A / George, J / Gerberding, O / Gergely, L / Gewecke, P / Ghonge, S / Ghosh, Abhirup / Ghosh, Archisman / Ghosh, Shaon / Ghosh, Shrobana / Giacomazzo, B / Giacoppo, L / Giaime, J A / Giardina, K D / Gibson, D R / Gier, C / Giesler, M / Giri, P / Gissi, F / Glanzer, J / Gleckl, A E / Godwin, P / Goetz, E / Goetz, R / Gohlke, N / Goncharov, B / González, G / Gopakumar, A / Gosselin, M / Gouaty, R / Gould, D W / Grace, B / Grado, A / Granata, M / Granata, V / Grant, A / Gras, S / Grassia, P / Gray, C / Gray, R / Greco, G / Green, A C / Green, R / Gretarsson, A M / Gretarsson, E M / Griffith, D / Griffiths, W / Griggs, H L / Grignani, G / Grimaldi, A / Grimm, S J / Grote, H / Grunewald, S / Gruning, P / Guerra, D / Guidi, G M / Guimaraes, A R / Guixé, G / Gulati, H K / Guo, H-K / Guo, Y / Gupta, Anchal / Gupta, Anuradha / Gupta, P / Gustafson, E K / Gustafson, R / Guzman, F / Haegel, L / Halim, O / Hall, E D / Hamilton, E Z / Hammond, G / Haney, M / Hanks, J / Hanna, C / Hannam, M D / Hannuksela, O / Hansen, H / Hansen, T J / Hanson, J / Harder, T / Hardwick, T / Haris, K / Harms, J / Harry, G M / Harry, I W / Hartwig, D / Haskell, B / Hasskew, R K / Haster, C-J / Haughian, K / Hayes, F J / Healy, J / Heidmann, A / Heidt, A / Heintze, M C / Heinze, J / Heinzel, J / Heitmann, H / Hellman, F / Hello, P / Helmling-Cornell, A F / Hemming, G / Hendry, M / Heng, I S / Hennes, E / Hennig, J / Hennig, M H / Hernandez, A G / Vivanco, F Hernandez / Heurs, M / Hild, S / Hill, P / Hines, A S / Hochheim, S / Hofman, D / Hohmann, J N / Holcomb, D G / Holland, N A / Hollows, I J / Holmes, Z J / Holt, K / Holz, D E / Hopkins, P / Hough, J / Hourihane, S / Howell, E J / Hoy, C G / Hoyland, D / Hreibi, A / Hsu, Y / Huang, Y / Hübner, M T / Huddart, A D / Hughey, B / Hui, V / Husa, S / Huttner, S H / Huxford, R / Huynh-Dinh, T / Idzkowski, B / Iess, A / Ingram, C / Isi, M / Isleif, K / Iyer, B R / JaberianHamedan, V / Jacqmin, T / Jadhav, S J / Jadhav, S P / James, A L / Jan, A Z / Jani, K / Janquart, J / Janssens, K / Janthalur, N N / Jaranowski, P / Jariwala, D / Jaume, R / Jenkins, A C / Jenner, K / Jeunon, M / Jia, W / Johns, G R / Jones, A W / Jones, D I / Jones, J D / Jones, P / Jones, R / Jonker, R J G / Ju, L / Junker, J / Juste, V / Kalaghatgi, C V / Kalogera, V / Kamai, B / Kandhasamy, S / Kang, G / Kanner, J B / Kao, Y / Kapadia, S J / Kapasi, D P / Karat, S / Karathanasis, C / Karki, S / Kashyap, R / Kasprzack, M / Kastaun, W / Katsanevas, S / Katsavounidis, E / Katzman, W / Kaur, T / Kawabe, K / Kéfélian, F / Keitel, D / Key, J S / Khadka, S / Khalili, F Y / Khan, S / Khazanov, E A / Khetan, N / Khursheed, M / Kijbunchoo, N / Kim, C / Kim, J C / Kim, K / Kim, W S / Kim, Y-M / Kimball, C / Kinley-Hanlon, M / Kirchhoff, R / Kissel, J S / Kleybolte, L / Klimenko, S / Knee, A M / Knowles, T D / Knyazev, E / Koch, P / Koekoek, G / Koley, S / Kolitsidou, P / Kolstein, M / Komori, K / Kondrashov, V / Kontos, A / Koper, N / Korobko, M / Kovalam, M / Kozak, D B / Kringel, V / Krishnendu, N V / Królak, A / Kuehn, G / Kuei, F / Kuijer, P / Kumar, A / Kumar, P / Kumar, Rahul / Kumar, Rakesh / Kuns, K / Kuwahara, S / Lagabbe, P / Laghi, D / Lalande, E / Lam, T L / Lamberts, A / Landry, M / Lane, B B / Lang, R N / Lange, J / Lantz, B / La Rosa, I / Lartaux-Vollard, A / Lasky, P D / Laxen, M / Lazzarini, A / Lazzaro, C / Leaci, P / Leavey, S / Lecoeuche, Y K / Lee, H M / Lee, H W / Lee, J / Lee, K / Lehmann, J / Lemaître, A / Leroy, N / Letendre, N / Levesque, C / Levin, Y / Leviton, J N / Leyde, K / Li, A K Y / Li, B / Li, J / Li, T G F / Li, X / Linde, F / Linker, S D / Linley, J N / Littenberg, T B / Liu, J / Liu, K / Liu, X / Llamas, F / Llorens-Monteagudo, M / Lo, R K L / Lockwood, A / London, L T / Longo, A / Lopez, D / Portilla, M Lopez / Lorenzini, M / Loriette, V / Lormand, M / Losurdo, G / Lott, T P / Lough, J D / Lousto, C O / Lovelace, G / Lucaccioni, J F / Lück, H / Lumaca, D / Lundgren, A P / Lynam, J E / Macas, R / MacInnis, M / Macleod, D M / MacMillan, I A O / Macquet, A / Hernandez, I Magaña / Magazzù, C / Magee, R M / Maggiore, R / Magnozzi, M / Mahesh, S / Majorana, E / Makarem, C / Maksimovic, I / Maliakal, S / Malik, A / Man, N / Mandic, V / Mangano, V / Mango, J L / Mansell, G L / Manske, M / Mantovani, M / Mapelli, M / Marchesoni, F / Marion, F / Mark, Z / Márka, S / Márka, Z / Markakis, C / Markosyan, A S / Markowitz, A / Maros, E / Marquina, A / Marsat, S / Martelli, F / Martin, I W / Martin, R M / Martinez, M / Martinez, V A / Martinez, V / Martinovic, K / Martynov, D V / Marx, E J / Masalehdan, H / Mason, K / Massera, E / Masserot, A / Massinger, T J / Masso-Reid, M / Mastrogiovanni, S / Matas, A / Mateu-Lucena, M / Matichard, F / Matiushechkina, M / Mavalvala, N / McCann, J J / McCarthy, R / McClelland, D E / McClincy, P K / McCormick, S / McCuller, L / McGhee, G I / McGuire, S C / McIsaac, C / McIver, J / McRae, T / McWilliams, S T / Meacher, D / Mehmet, M / Mehta, A K / Meijer, Q / Melatos, A / Melchor, D A / Mendell, G / Menendez-Vazquez, A / Menoni, C S / Mercer, R A / Mereni, L / Merfeld, K / Merilh, E L / Merritt, J D / Merzougui, M / Meshkov, S / Messenger, C / Messick, C / Meyers, P M / Meylahn, F / Mhaske, A / Miani, A / Miao, H / Michaloliakos, I / Michel, C / Middleton, H / Milano, L / Miller, A / Miller, A L / Miller, B / Millhouse, M / Mills, J C / Milotti, E / Minazzoli, O / Minenkov, Y / Mir, Ll M / Miravet-Tenés, M / Mishra, C / Mishra, T / Mistry, T / Mitra, S / Mitrofanov, V P / Mitselmakher, G / Mittleman, R / Mo, Geoffrey / Moguel, E / Mogushi, K / Mohapatra, S R P / Mohite, S R / Molina, I / Molina-Ruiz, M / Mondin, M / Montani, M / Moore, C J / Moraru, D / Morawski, F / More, A / Moreno, C / Moreno, G / Morisaki, S / Mours, B / Mow-Lowry, C M / Mozzon, S / Muciaccia, F / Mukherjee, Arunava / Mukherjee, D / Mukherjee, Soma / Mukherjee, Subroto / Mukherjee, Suvodip / Mukund, N / Mullavey, A / Munch, J / Muñiz, E A / Murray, P G / Musenich, R / Muusse, S / Nadji, S L / Nagar, A / Napolano, V / Nardecchia, I / Naticchioni, L / Nayak, B / Nayak, R K / Neil, B F / Neilson, J / Nelemans, G / Nelson, T J N / Nery, M / Neubauer, P / Neunzert, A / Ng, K Y / Ng, S W S / Nguyen, C / Nguyen, P / Nguyen, T / Nichols, S A / Nissanke, S / Nitoglia, E / Nocera, F / Norman, M / North, C / Nuttall, L K / Oberling, J / O'Brien, B D / O'Dell, J / Oelker, E / Oganesyan, G / Oh, J J / Oh, S H / Ohme, F / Ohta, H / Okada, M A / Olivetto, C / Oram, R / O'Reilly, B / Ormiston, R G / Ormsby, N D / Ortega, L F / O'Shaughnessy, R / O'Shea, E / Ossokine, S / Osthelder, C / Ottaway, D J / Overmier, H / Pace, A E / Pagano, G / Page, M A / Pagliaroli, G / Pai, A / Pai, S A / Palamos, J R / Palashov, O / Palomba, C / Pan, H / Panda, P K / Pang, P T H / Pankow, C / Pannarale, F / Pant, B C / Panther, F H / Paoletti, F / Paoli, A / Paolone, A / Park, H / Parker, W / Pascucci, D / Pasqualetti, A / Passaquieti, R / Passuello, D / Patel, M / Pathak, M / Patricelli, B / Patron, A S / Paul, S / Payne, E / Pedraza, M / Pegoraro, M / Pele, A / Penn, S / Perego, A / Pereira, A / Pereira, T / Perez, C J / Périgois, C / Perkins, C C / Perreca, A / Perriès, S / Petermann, J / Petterson, D / Pfeiffer, H P / Pham, K A / Phukon, K S / Piccinni, O J / Pichot, M / Piendibene, M / Piergiovanni, F / Pierini, L / Pierro, V / Pillant, G / Pillas, M / Pilo, F / Pinard, L / Pinto, I M / Pinto, M / Piotrzkowski, K / Pirello, M / Pitkin, M D / Placidi, E / Planas, L / Plastino, W / Pluchar, C / Poggiani, R / Polini, E / Pong, D Y T / Ponrathnam, S / Popolizio, P / Porter, E K / Poulton, R / Powell, J / Pracchia, M / Pradier, T / Prajapati, A K / Prasai, K / Prasanna, R / Pratten, G / Principe, M / Prodi, G A / Prokhorov, L / Prosposito, P / Prudenzi, L / Puecher, A / Punturo, M / Puosi, F / Puppo, P / Pürrer, M / Qi, H / Quetschke, V / Quitzow-James, R / Raab, F J / Raaijmakers, G / Radkins, H / 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    Physical review letters

    2022  Volume 129, Issue 6, Page(s) 61104

    Abstract: We report on a search for compact binary coalescences where at least one binary component has a mass between 0.2  M_{⊙} and 1.0  M_{⊙} in Advanced LIGO and Advanced Virgo data collected between 1 April 2019 1500 UTC and 1 October 2019 1500 UTC. We extend ...

    Abstract We report on a search for compact binary coalescences where at least one binary component has a mass between 0.2  M_{⊙} and 1.0  M_{⊙} in Advanced LIGO and Advanced Virgo data collected between 1 April 2019 1500 UTC and 1 October 2019 1500 UTC. We extend our previous analyses in two main ways: we include data from the Virgo detector and we allow for more unequal mass systems, with mass ratio q≥0.1. We do not report any gravitational-wave candidates. The most significant trigger has a false alarm rate of 0.14  yr^{-1}. This implies an upper limit on the merger rate of subsolar binaries in the range [220-24200]  Gpc^{-3} yr^{-1}, depending on the chirp mass of the binary. We use this upper limit to derive astrophysical constraints on two phenomenological models that could produce subsolar-mass compact objects. One is an isotropic distribution of equal-mass primordial black holes. Using this model, we find that the fraction of dark matter in primordial black holes in the mass range 0.2  M_{⊙}<m_{PBH}<1.0  M_{⊙} is f_{PBH}≡Ω_{PBH}/Ω_{DM}≲6%. This improves existing constraints on primordial black hole abundance by a factor of ∼3. The other is a dissipative dark matter model, in which fermionic dark matter can collapse and form black holes. The upper limit on the fraction of dark matter black holes depends on the minimum mass of the black holes that can be formed: the most constraining result is obtained at M_{min}=1  M_{⊙}, where f_{DBH}≡Ω_{DBH}/Ω_{DM}≲0.003%. These are the first constraints placed on dissipative dark models by subsolar-mass analyses.<br />
    Language English
    Publishing date 2022-08-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.129.061104
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: GW190521: A Binary Black Hole Merger with a Total Mass of 150  M_{⊙}.

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    Physical review letters

    2021  Volume 125, Issue 10, Page(s) 101102

    Abstract: On May 21, 2019 at 03:02:29 UTC Advanced LIGO and Advanced Virgo observed a short duration gravitational-wave signal, GW190521, with a three-detector network signal-to-noise ratio of 14.7, and an estimated false-alarm rate of 1 in 4900 yr using a search ... ...

    Abstract On May 21, 2019 at 03:02:29 UTC Advanced LIGO and Advanced Virgo observed a short duration gravitational-wave signal, GW190521, with a three-detector network signal-to-noise ratio of 14.7, and an estimated false-alarm rate of 1 in 4900 yr using a search sensitive to generic transients. If GW190521 is from a quasicircular binary inspiral, then the detected signal is consistent with the merger of two black holes with masses of 85_{-14}^{+21}  M_{⊙} and 66_{-18}^{+17}  M_{⊙} (90% credible intervals). We infer that the primary black hole mass lies within the gap produced by (pulsational) pair-instability supernova processes, with only a 0.32% probability of being below 65  M_{⊙}. We calculate the mass of the remnant to be 142_{-16}^{+28}  M_{⊙}, which can be considered an intermediate mass black hole (IMBH). The luminosity distance of the source is 5.3_{-2.6}^{+2.4}  Gpc, corresponding to a redshift of 0.82_{-0.34}^{+0.28}. The inferred rate of mergers similar to GW190521 is 0.13_{-0.11}^{+0.30}  Gpc^{-3} yr^{-1}.
    Language English
    Publishing date 2021-02-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.125.101102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Constraints on Cosmic Strings Using Data from the Third Advanced LIGO-Virgo Observing Run.

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    Physical review letters

    2021  Volume 126, Issue 24, Page(s) 241102

    Abstract: We search for gravitational-wave signals produced by cosmic strings in the Advanced LIGO and Virgo full O3 dataset. Search results are presented for gravitational waves produced by cosmic string loop features such as cusps, kinks, and, for the first time, ...

    Abstract We search for gravitational-wave signals produced by cosmic strings in the Advanced LIGO and Virgo full O3 dataset. Search results are presented for gravitational waves produced by cosmic string loop features such as cusps, kinks, and, for the first time, kink-kink collisions. A template-based search for short-duration transient signals does not yield a detection. We also use the stochastic gravitational-wave background energy density upper limits derived from the O3 data to constrain the cosmic string tension Gμ as a function of the number of kinks, or the number of cusps, for two cosmic string loop distribution models. Additionally, we develop and test a third model that interpolates between these two models. Our results improve upon the previous LIGO-Virgo constraints on Gμ by 1 to 2 orders of magnitude depending on the model that is tested. In particular, for the one-loop distribution model, we set the most competitive constraints to date: Gμ≲4×10^{-15}. In the case of cosmic strings formed at the end of inflation in the context of grand unified theories, these results challenge simple inflationary models.
    Language English
    Publishing date 2021-07-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.126.241102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Search for Subsolar Mass Ultracompact Binaries in Advanced LIGO's Second Observing Run.

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    Physical review letters

    2019  Volume 123, Issue 16, Page(s) 161102

    Abstract: We present a search for subsolar mass ultracompact objects in data obtained during Advanced LIGO's second observing run. In contrast to a previous search of Advanced LIGO data from the first observing run, this search includes the effects of component ... ...

    Abstract We present a search for subsolar mass ultracompact objects in data obtained during Advanced LIGO's second observing run. In contrast to a previous search of Advanced LIGO data from the first observing run, this search includes the effects of component spin on the gravitational waveform. We identify no viable gravitational-wave candidates consistent with subsolar mass ultracompact binaries with at least one component between 0.2  M_{⊙}-1.0  M_{⊙}. We use the null result to constrain the binary merger rate of (0.2  M_{⊙}, 0.2  M_{⊙}) binaries to be less than 3.7×10^{5}  Gpc^{-3} yr^{-1} and the binary merger rate of (1.0  M_{⊙}, 1.0  M_{⊙}) binaries to be less than 5.2×10^{3}  Gpc^{-3} yr^{-1}. Subsolar mass ultracompact objects are not expected to form via known stellar evolution channels, though it has been suggested that primordial density fluctuations or particle dark matter with cooling mechanisms and/or nuclear interactions could form black holes with subsolar masses. Assuming a particular primordial black hole (PBH) formation model, we constrain a population of merging 0.2  M_{⊙} black holes to account for less than 16% of the dark matter density and a population of merging 1.0  M_{⊙} black holes to account for less than 2% of the dark matter density. We discuss how constraints on the merger rate and dark matter fraction may be extended to arbitrary black hole population models that predict subsolar mass binaries.
    Language English
    Publishing date 2019-11-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.123.161102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Tests of General Relativity with Binary Black Holes from the second LIGO-Virgo Gravitational-Wave Transient Catalog

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    Abstract: Gravitational waves enable tests of general relativity in the highly dynamical and strong-field regime. Using events detected by LIGO-Virgo up to 1 October 2019, we evaluate the consistency of the data with predictions from the theory. We first establish ...

    Abstract Gravitational waves enable tests of general relativity in the highly dynamical and strong-field regime. Using events detected by LIGO-Virgo up to 1 October 2019, we evaluate the consistency of the data with predictions from the theory. We first establish that residuals from the best-fit waveform are consistent with detector noise, and that the low- and high-frequency parts of the signals are in agreement. We then consider parametrized modifications to the waveform by varying post-Newtonian and phenomenological coefficients, improving past constraints by factors of ${\sim}2$; we also find consistency with Kerr black holes when we specifically target signatures of the spin-induced quadrupole moment. Looking for gravitational-wave dispersion, we tighten constraints on Lorentz-violating coefficients by a factor of ${\sim}2.6$ and bound the mass of the graviton to $m_g \leq 1.76 \times 10^{-23} \mathrm{eV}/c^2$ with 90% credibility. We also analyze the properties of the merger remnants by measuring ringdown frequencies and damping times, constraining fractional deviations away from the Kerr frequency to $\delta \hat{f}_{220} = 0.03^{+0.38}_{-0.35}$ for the fundamental quadrupolar mode, and $\delta \hat{f}_{221} = 0.04^{+0.27}_{-0.32}$ for the first overtone; additionally, we find no evidence for postmerger echoes. Finally, we determine that our data are consistent with tensorial polarizations through a template-independent method. When possible, we assess the validity of general relativity based on collections of events analyzed jointly. We find no evidence for new physics beyond general relativity, for black hole mimickers, or for any unaccounted systematics.
    Keywords covid19
    Publisher ArXiv
    Document type Article
    Database COVID19

    Kategorien

  7. Article ; Online: Properties and astrophysical implications of the 150 Msun binary black hole merger GW190521

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    Abstract: The gravitational-wave signal GW190521 is consistent with a binary black hole merger source at redshift 0.8 with unusually high component masses, $85^{+21}_{-14}\,M_{\odot}$ and $66^{+17}_{-18}\,M_{\odot}$, compared to previously reported events, and ... ...

    Abstract The gravitational-wave signal GW190521 is consistent with a binary black hole merger source at redshift 0.8 with unusually high component masses, $85^{+21}_{-14}\,M_{\odot}$ and $66^{+17}_{-18}\,M_{\odot}$, compared to previously reported events, and shows mild evidence for spin-induced orbital precession. The primary falls in the mass gap predicted by (pulsational) pair-instability supernova theory, in the approximate range $65 - 120\,M_{\odot}$. The probability that at least one of the black holes in GW190521 is in that range is 99.0%. The final mass of the merger $(142^{+28}_{-16}\,M_{\odot})$ classifies it as an intermediate-mass black hole. Under the assumption of a quasi-circular binary black hole coalescence, we detail the physical properties of GW190521's source binary and its post-merger remnant, including component masses and spin vectors. Three different waveform models, as well as direct comparison to numerical solutions of general relativity, yield consistent estimates of these properties. Tests of strong-field general relativity targeting the merger-ringdown stages of coalescence indicate consistency of the observed signal with theoretical predictions. We estimate the merger rate of similar systems to be $0.13^{+0.30}_{-0.11}\,{\rm Gpc}^{-3}\,\rm{yr}^{-1}$. We discuss the astrophysical implications of GW190521 for stellar collapse, and for the possible formation of black holes in the pair-instability mass gap through various channels: via (multiple) stellar coalescence, or via hierarchical merger of lower-mass black holes in star clusters or in active galactic nuclei. We find it to be unlikely that GW190521 is a strongly lensed signal of a lower-mass black hole binary merger. We also discuss more exotic possible sources for GW190521, including a highly eccentric black hole binary, or a primordial black hole binary.
    Keywords covid19
    Publisher ArXiv
    Document type Article ; Online
    DOI 10.3847/2041-8213/aba493
    Database COVID19

    Kategorien

  8. Article ; Online: Gravitational-wave constraints on the equatorial ellipticity of millisecond pulsars

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    Abstract: We present a search for continuous gravitational waves from five radio pulsars, comprising three recycled pulsars (PSR J0437-4715, PSR J0711-6830, and PSR J0737-3039A) and two young pulsars: the Crab pulsar (J0534+2200) and the Vela pulsar (J0835-4510). ... ...

    Abstract We present a search for continuous gravitational waves from five radio pulsars, comprising three recycled pulsars (PSR J0437-4715, PSR J0711-6830, and PSR J0737-3039A) and two young pulsars: the Crab pulsar (J0534+2200) and the Vela pulsar (J0835-4510). We use data from the third observing run of Advanced LIGO and Virgo combined with data from their first and second observing runs. For the first time we are able to match (for PSR J0437-4715) or surpass (for PSR J0711-6830) the indirect limits on gravitational-wave emission from recycled pulsars inferred from their observed spin-downs, and constrain their equatorial ellipticities to be less than $10^{-8}$. For each of the five pulsars, we perform targeted searches that assume a tight coupling between the gravitational-wave and electromagnetic signal phase evolution. We also present constraints on PSR J0711-6830, the Crab pulsar and the Vela pulsar from a search that relaxes this assumption, allowing the gravitational-wave signal to vary from the electromagnetic expectation within a narrow band of frequencies and frequency derivatives.
    Keywords covid19
    Publisher ArXiv
    Document type Article ; Online
    DOI 10.3847/2041-8213/abb655
    Database COVID19

    Kategorien

  9. Article ; Online: GW190814: Gravitational Waves from the Coalescence of a 23 M$_\odot$ Black Hole with a 2.6 M$_\odot$ Compact Object

    Collaboration, The LIGO Scientific / Abbott, the Virgo Collaboration R. / Abbott, T. D. / Abraham, S. / Acernese, F. / Ackley, K. / Adams, C. / Adhikari, R. X. / Adya, V. B. / Affeldt, C. / Agathos, M. / Agatsuma, K. / Aggarwal, N. / Aguiar, O. D. / Aich, A. / Aiello, L. / Ain, A. / Ajith, P. / Akcay, S. /
    Allen, G. / Allocca, A. / Altin, P. A. / Amato, A. / Anand, S. / Ananyeva, A. / Anderson, S. B. / Anderson, W. G. / Angelova, S. V. / Ansoldi, S. / Antier, S. / Appert, S. / Arai, K. / Araya, M. C. / Areeda, J. S. / Arene, M. / Arnaud, N. / Aronson, S. M. / Arun, K. G. / Asali, Y. / Ascenzi, S. / Ashton, G. / Aston, S. M. / Astone, P. / Aubin, F. / Aufmuth, P. / AultONeal, K. / Austin, C. / Avendano, V. / Babak, S. / Bacon, P. / Badaracco, F. / Bader, M. K. M. / Bae, S. / Baer, A. M. / Baird, J. / Baldaccini, F. / Ballardin, G. / Ballmer, S. W. / Bals, A. / Balsamo, A. / Baltus, G. / Banagiri, S. / Bankar, D. / Bankar, R. S. / Barayoga, J. C. / Barbieri, C. / Barish, B. C. / Barker, D. / Barkett, K. / Barneo, P. / Barone, F. / Barr, B. / Barsotti, L. / Barsuglia, M. / Barta, D. / Bartlett, J. / Bartos, I. / Bassiri, R. / Basti, A. / Bawaj, M. / Bayley, J. C. / Bazzan, M. / B'ecsy, B. / Bejger, M. / Belahcene, I. / Bell, A. S. / Beniwal, D. / Benjamin, M. G. / Benkel, R. / Bentley, J. D. / Bergamin, F. / Berger, B. K. / Bergmann, G. / Bernuzzi, S. / Berry, C. P. L. / Bersanetti, D. / Bertolini, A. / Betzwieser, J. / Bhandare, R. / Bhandari, A. V. / Bidler, J. / Biggs, E. / Bilenko, I. A. / Billingsley, G. / Birney, R. / Birnholtz, O. / Biscans, S. / Bischi, M. / Biscoveanu, S. / Bisht, A. / Bissenbayeva, G. / Bitossi, M. / Bizouard, M. A. / Blackburn, J. K. / Blackman, J. / Blair, C. D. / Blair, D. G. / Blair, R. M. / Bobba, F. / Bode, N. / Boer, M. / Boetzel, Y. / Bogaert, G. / Bondu, F. / Bonilla, E. / Bonnand, R. / Booker, P. / Boom, B. A. / Bork, R. / Boschi, V. / Bose, S. / Bossilkov, V. / Bosveld, J. / Bouffanais, Y. / Bozzi, A. / Bradaschia, C. / Brady, P. R. / Bramley, A. / Branchesi, M. / Brau, J. E. / Breschi, M. / Briant, T. / Briggs, J. H. / Brighenti, F. / Brillet, A. / Brinkmann, M. / Brito, R. / Brockill, P. / Brooks, A. F. / Brooks, J. / Brown, D. D. / Brunett, S. / Bruno, G. / Bruntz, R. / Buikema, A. / Bulik, T. / Bulten, H. J. / Buonanno, A. / Buskulic, D. / Byer, R. L. / Cabero, M. / Cadonati, L. / Cagnoli, G. / Cahillane, C. / Bustillo, J. Calder'on / Callaghan, J. D. / Callister, T. A. / Calloni, E. / Camp, J. B. / Canepa, M. / Cannon, K. C. / Cao, H. / Cao, J. / Carapella, G. / Carbognani, F. / Caride, S. / Carney, M. F. / Carullo, G. / Diaz, J. Casanueva / Casentini, C. / Castaneda, J. / Caudill, S. / Cavaglia, M. / Cavalier, F. / Cavalieri, R. / Cella, G. / Cerd'a-Dur'an, P. / Cesarini, E. / Chaibi, O. / Chakravarti, K. / Chan, C. / Chan, M. / Chao, S. / Charlton, P. / Chase, E. A. / Chassande-Mottin, E. / Chatterjee, D. / Chaturvedi, M. / Chatziioannou, K. / Chen, H. Y. / Chen, X. / Chen, Y. / Cheng, H.-P. / Cheong, C. K. / Chia, H. Y. / Chiadini, F. / Chierici, R. / Chincarini, A. / Chiummo, A. / Cho, G. / Cho, H. S. / Cho, M. / Christensen, N. / Chu, Q. / Chua, S. / Chung, K. W. / Chung, S. / Ciani, G. / Ciecielag, P. / Cie'slar, M. / Ciobanu, A. A. / Ciolfi, R. / Cipriano, F. / Cirone, A. / Clara, F. / Clark, J. A. / Clearwater, P. / Clesse, S. / Cleva, F. / Coccia, E. / Cohadon, P.-F. / Cohen, D. / Colleoni, M. / Collette, C. G. / Collins, C. / Colpi, M. / Constancio, M. / Conti, L. / Cooper, S. J. / Corban, P. / Corbitt, T. R. / Cordero-Carri'on, I. / Corezzi, S. / Corley, K. R. / Cornish, N. / Corre, D. / Corsi, A. / Cortese, S. / Costa, C. A. / Cotesta, R. / Coughlin, M. W. / Coughlin, S. B. / Coulon, J.-P. / Countryman, S. T. / Couvares, P. / Covas, P. B. / Coward, D. M. / Cowart, M. J. / Coyne, D. C. / Coyne, R. / Creighton, J. D. E. / Creighton, T. D. / Cripe, J. / Croquette, M. / Crowder, S. G. / Cudell, J.-R. / Cullen, T. J. / Cumming, A. / Cummings, R. / Cunningham, L. / Cuoco, E. / Curylo, M. / Canton, T. Dal / D'alya, G. / Dana, A. / Daneshgaran-Bajastani, L. M. / D'Angelo, B. / Danilishin, S. L. / D'Antonio, S. / Danzmann, K. / Darsow-Fromm, C. / Dasgupta, A. / Datrier, L. E. H. / Dattilo, V. / Dave, I. / Davier, M. / Davies, G. S. / Davis, D. / Daw, E. J. / DeBra, D. / Deenadayalan, M. / Degallaix, J. / Laurentis, M. De / Del'eglise, S. / Delfavero, M. / Lillo, N. De / Pozzo, W. Del / DeMarchi, L. M. / D'Emilio, V. / Demos, N. / Dent, T. / Pietri, R. De / Rosa, R. De / Rossi, C. De / DeSalvo, R. / Varona, O. de / Dhurandhar, S. / D'iaz, M. C. / Diaz-Ortiz, M. / Dietrich, T. / Fiore, L. Di / Fronzo, C. Di / Giorgio, C. Di / Giovanni, F. Di / Giovanni, M. Di / Girolamo, T. Di / Lieto, A. Di / Ding, B. / Pace, S. Di / Palma, I. Di / Renzo, F. Di / Divakarla, A. K. / Dmitriev, A. / Doctor, Z. / Donovan, F. / Dooley, K. L. / Doravari, S. / Dorrington, I. / Downes, T. P. / Drago, M. / Driggers, J. C. / Du, Z. / Ducoin, J.-G. / Dupej, P. / Durante, O. / D'Urso, D. / Dwyer, S. E. / Easter, P. J. / Eddolls, G. / Edelman, B. / Edo, T. B. / Edy, O. / Effler, A. / Ehrens, P. / Eichholz, J. / Eikenberry, S. S. / Eisenmann, M. / Eisenstein, R. A. / Ejlli, A. / Errico, L. / Essick, R. C. / Estelles, H. / Estevez, D. / Etienne, Z. B. / Etzel, T. / Evans, M. / Evans, T. M. / Ewing, B. E. / Fafone, V. / Fairhurst, S. / Fan, X. / Farinon, S. / Farr, B. / Farr, W. M. / Fauchon-Jones, E. J. / Favata, M. / Fays, M. / Fazio, M. / Feicht, J. / Fejer, M. M. / Feng, F. / Fenyvesi, E. / Ferguson, D. L. / Fernandez-Galiana, A. / Ferrante, I. / Ferreira, E. C. / Ferreira, T. A. / Fidecaro, F. / Fiori, I. / Fiorucci, D. / Fishbach, M. / Fisher, R. P. / Fittipaldi, R. / Fitz-Axen, M. / Fiumara, V. / Flaminio, R. / Floden, E. / Flynn, E. / Fong, H. / Font, J. A. / Forsyth, P. W. F. / Fournier, J.-D. / Frasca, S. / Frasconi, F. / Frei, Z. / Freise, A. / Frey, R. / Frey, V. / Fritschel, P. / Frolov, V. V. / Fronze, G. / Fulda, P. / Fyffe, M. / Gabbard, H. A. / Gadre, B. U. / Gaebel, S. M. / Gair, J. R. / Galaudage, S. / Ganapathy, D. / Ganguly, A. / Gaonkar, S. G. / Garc'ia-Quir'os, C. / Garufi, F. / Gateley, B. / Gaudio, S. / Gayathri, V. / Gemme, G. / Genin, E. / Gennai, A. / George, D. / George, J. / Gergely, L. / Ghonge, S. / Ghosh, Abhirup / Ghosh, Archisman / Ghosh, S. / Giacomazzo, B. / Giaime, J. A. / Giardina, K. D. / Gibson, D. R. / Gier, C. / Gill, K. / Glanzer, J. / Gniesmer, J. / Godwin, P. / Goetz, E. / Goetz, R. / Gohlke, N. / Goncharov, B. / Gonz'alez, G. / Gopakumar, A. / Gossan, S. E. / Gosselin, M. / Gouaty, R. / Grace, B. / Grado, A. / Granata, M. / Grant, A. / Gras, S. / Grassia, P. / Gray, C. / Gray, R. / Greco, G. / Green, A. C. / Green, R. / Gretarsson, E. M. / Griggs, H. L. / Grignani, G. / Grimaldi, A. / Grimm, S. J. / Grote, H. / Grunewald, S. / Gruning, P. / Guidi, G. M. / Guimaraes, A. R. / Guix'e, G. / Gulati, H. K. / Guo, Y. / Gupta, A. / Gupta, Anchal / Gupta, P. / Gustafson, E. K. / Gustafson, R. / Haegel, L. / Halim, O. / Hall, E. D. / Hamilton, E. Z. / Hammond, G. / Haney, M. / Hanke, M. M. / Hanks, J. / Hanna, C. / Hannam, M. D. / Hannuksela, O. A. / Hansen, T. J. / Hanson, J. / Harder, T. / Hardwick, T. / Haris, K. / Harms, J. / Harry, G. M. / Harry, I. W. / Hasskew, R. K. / Haster, C.-J. / Haughian, K. / Hayes, F. J. / Healy, J. / Heidmann, A. / Heintze, M. C. / Heinze, J. / Heitmann, H. / Hellman, F. / Hello, P. / Hemming, G. / Hendry, M. / Heng, I. S. / Hennes, E. / Hennig, J. / Heurs, M. / Hild, S. / Hinderer, T. / Hoback, S. Y. / Hochheim, S. / Hofgard, E. / Hofman, D. / Holgado, A. M. / Holland, N. A. / Holt, K. / Holz, D. E. / Hopkins, P. / Horst, C. / Hough, J. / Howell, E. J. / Hoy, C. G. / Huang, Y. / Hubner, M. T. / Huerta, E. A. / Huet, D. / Hughey, B. / Hui, V. / Husa, S. / Huttner, S. H. / Huxford, R. / Huynh-Dinh, T. / Idzkowski, B. / Iess, A. / Inchauspe, H. / Ingram, C. / Intini, G. / Isac, J.-M. / Isi, M. / Iyer, B. R. / Jacqmin, T. / Jadhav, S. J. / Jadhav, S. P. / James, A. L. / Jani, K. / Janthalur, N. N. / Jaranowski, P. / Jariwala, D. / Jaume, R. / Jenkins, A. C. / Jiang, J. / Johns, G. R. / Johnson-McDaniel, N. K. / Jones, A. W. / Jones, D. I. / Jones, J. D. / Jones, P. / Jones, R. / Jonker, R. J. G. / Ju, L. / Junker, J. / Kalaghatgi, C. V. / Kalogera, V. / Kamai, B. / Kandhasamy, S. / Kang, G. / Kanner, J. B. / Kapadia, S. J. / Karki, S. / Kashyap, R. / Kasprzack, M. / Kastaun, W. / Katsanevas, S. / Katsavounidis, E. / Katzman, W. / Kaufer, S. / Kawabe, K. / K'ef'elian, F. / Keitel, D. / Keivani, A. / Kennedy, R. / Key, J. S. / Khadka, S. / Khalili, F. Y. / Khan, I. / Khan, S. / Khan, Z. A. / Khazanov, E. A. / Khetan, N. / Khursheed, M. / Kijbunchoo, N. / Kim, Chunglee / Kim, G. J. / Kim, J. C. / Kim, K. / Kim, W. / Kim, W. S. / Kim, Y.-M. / Kimball, C. / King, P. J. / Kinley-Hanlon, M. / Kirchhoff, R. / Kissel, J. S. / Kleybolte, L. / Klimenko, S. / Knowles, T. D. / Knyazev, E. / Koch, P. / Koehlenbeck, S. M. / Koekoek, G. / Koley, S. / Kondrashov, V. / Kontos, A. / Koper, N. / Korobko, M. / Korth, W. Z. / Kovalam, M. / Kozak, D. B. / Kringel, V. / Krishnendu, N. V. / Kr'olak, A. / Krupinski, N. / Kuehn, G. / Kumar, A. / Kumar, P. / Kumar, Rahul / Kumar, Rakesh / Kumar, S. / Kuo, L. / Kutynia, A. / Lackey, B. D. / Laghi, D. / Lalande, E. / Lam, T. L. / Lamberts, A. / Landry, M. / Landry, P. / Lane, B. B. / Lang, R. N. / Lange, J. / Lantz, B. / Lanza, R. K. / Rosa, I. La / Lartaux-Vollard, A. / Lasky, P. D. / Laxen, M. / Lazzarini, A. / Lazzaro, C. / Leaci, P. / Leavey, S. / Lecoeuche, Y. K. / Lee, C. H. / Lee, H. M. / Lee, H. W. / Lee, J. / Lee, K. / Lehmann, J. / Leroy, N. / Letendre, N. / Levin, Y. / Li, A. K. Y. / Li, J. / li, K. / Li, T. G. F. / Li, X. / Linde, F. / Linker, S. D. / Linley, J. N. / Littenberg, T. B. / Liu, J. / Liu, X. / Llorens-Monteagudo, M. / Lo, R. K. L. / Lockwood, A. / London, L. T. / Longo, A. / Lorenzini, M. / Loriette, V. / Lormand, M. / Losurdo, G. / Lough, J. D. / Lousto, C. O. / Lovelace, G. / Luck, H. / Lumaca, D. / Lundgren, A. P. / Ma, Y. / Macas, R. / Macfoy, S. / MacInnis, M. / Macleod, D. M. / MacMillan, I. A. O. / Macquet, A. / Hernandez, I. Magana / Magana-Sandoval, F. / Magee, R. M. / Majorana, E. / Maksimovic, I. / Malik, A. / Man, N. / Mandic, V. / Mangano, V. / Mansell, G. L. / Manske, M. / Mantovani, M. / Mapelli, M. / Marchesoni, F. / Marion, F. / M'arka, S. / M'arka, Z. / Markakis, C. / Markosyan, A. S. / Markowitz, A. / Maros, E. / Marquina, A. / Marsat, S. / Martelli, F. / Martin, I. W. / Martin, R. M. / Martinez, V. / Martynov, D. V. / Masalehdan, H. / Mason, K. / Massera, E. / Masserot, A. / Massinger, T. J. / Masso-Reid, M. / Mastrogiovanni, S. / Matas, A. / Matichard, F. / Mavalvala, N. / Maynard, E. / McCann, J. J. / McCarthy, R. / McClelland, D. E. / McCormick, S. / McCuller, L. / McGuire, S. C. / McIsaac, C. / McIver, J. / McManus, D. J. / McRae, T. / McWilliams, S. T. / Meacher, D. / Meadors, G. D. / Mehmet, M. / Mehta, A. K. / Villa, E. Mejuto / Melatos, A. / Mendell, G. / Mercer, R. A. / Mereni, L. / Merfeld, K. / Merilh, E. L. / Merritt, J. D. / Merzougui, M. / Meshkov, S. / Messenger, C. / Messick, C. / Metzdorff, R. / Meyers, P. M. / Meylahn, F. / Mhaske, A. / Miani, A. / Miao, H. / Michaloliakos, I. / Michel, C. / Middleton, H. / Milano, L. / Miller, A. L. / Millhouse, M. / Mills, J. C. / Milotti, E. / Milovich-Goff, M. C. / Minazzoli, O. / Minenkov, Y. / Mishkin, A. / Mishra, C. / Mistry, T. / Mitra, S. / Mitrofanov, V. P. / Mitselmakher, G. / Mittleman, R. / Mo, G. / Mogushi, K. / Mohapatra, S. R. P. / Mohite, S. R. / Molina-Ruiz, M. / Mondin, M. / Montani, M. / Moore, C. J. / Moraru, D. / Morawski, F. / Moreno, G. / Morisaki, S. / Mours, B. / Mow-Lowry, C. M. / Mozzon, S. / Muciaccia, F. / Mukherjee, Arunava / Mukherjee, D. / Mukherjee, S. / Mukherjee, Subroto / Mukund, N. / Mullavey, A. / Munch, J. / Muniz, E. A. / Murray, P. G. / Nagar, A. / Nardecchia, I. / Naticchioni, L. / Nayak, R. K. / Neil, B. F. / Neilson, J. / Nelemans, G. / Nelson, T. J. N. / Nery, M. / Neunzert, A. / Ng, K. Y. / Ng, S. / Nguyen, C. / Nguyen, P. / Nichols, D. / Nichols, S. A. / Nissanke, S. / Nocera, F. / Noh, M. / North, C. / Nothard, D. / Nuttall, L. K. / Oberling, J. / O'Brien, B. D. / Oganesyan, G. / Ogin, G. H. / Oh, J. J. / Oh, S. H. / Ohme, F. / Ohta, H. / Okada, M. A. / Oliver, M. / Olivetto, C. / Oppermann, P. / Oram, Richard J. / O'Reilly, B. / Ormiston, R. G. / Ortega, L. F. / O'Shaughnessy, R. / Ossokine, S. / Osthelder, C. / Ottaway, D. J. / Overmier, H. / Owen, B. J. / Pace, A. E. / Pagano, G. / Page, M. A. / Pagliaroli, G. / Pai, A. / Pai, S. A. / Palamos, J. R. / Palashov, O. / Palomba, C. / Pan, H. / Panda, P. K. / Pang, P. T. H. / Pankow, C. / Pannarale, F. / Pant, B. C. / Paoletti, F. / Paoli, A. / Parida, A. / Parker, W. / Pascucci, D. / Pasqualetti, A. / Passaquieti, R. / Passuello, D. / Patricelli, B. / Payne, E. / Pearlstone, B. L. / Pechsiri, T. C. / Pedersen, A. J. / Pedraza, M. / Pele, A. / Penn, S. / Perego, A. / Perez, C. J. / P'erigois, C. / Perreca, A. / Perries, S. / Petermann, J. / Pfeiffer, H. P. / Phelps, M. / Phukon, K. S. / Piccinni, O. J. / Pichot, M. / Piendibene, M. / Piergiovanni, F. / Pierro, V. / Pillant, G. / Pinard, L. / Pinto, I. M. / Piotrzkowski, K. / Pirello, M. / Pitkin, M. / Plastino, W. / Poggiani, R. / Pong, D. Y. T. / Ponrathnam, S. / Popolizio, P. / Porter, E. K. / Powell, J. / Prajapati, A. K. / Prasai, K. / Prasanna, R. / Pratten, G. / Prestegard, T. / Principe, M. / Prodi, G. A. / Prokhorov, L. / Punturo, M. / Puppo, P. / Purrer, M. / Qi, H. / Quetschke, V. / Quinonez, P. J. / Raab, F. 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    Abstract: We report the observation of a compact binary coalescence involving a 22.2 - 24.3 $M_{\odot}$ black hole and a compact object with a mass of 2.50 - 2.67 $M_{\odot}$ (all measurements quoted at the 90$\%$ credible level). The gravitational-wave signal, ... ...

    Abstract We report the observation of a compact binary coalescence involving a 22.2 - 24.3 $M_{\odot}$ black hole and a compact object with a mass of 2.50 - 2.67 $M_{\odot}$ (all measurements quoted at the 90$\%$ credible level). The gravitational-wave signal, GW190814, was observed during LIGO's and Virgo's third observing run on August 14, 2019 at 21:10:39 UTC and has a signal-to-noise ratio of 25 in the three-detector network. The source was localized to 18.5 deg$^2$ at a distance of $241^{+41}_{-45}$ Mpc; no electromagnetic counterpart has been confirmed to date. The source has the most unequal mass ratio yet measured with gravitational waves, $0.112^{+0.008}_{-0.009}$, and its secondary component is either the lightest black hole or the heaviest neutron star ever discovered in a double compact-object system. The dimensionless spin of the primary black hole is tightly constrained to $\leq 0.07$. Tests of general relativity reveal no measurable deviations from the theory, and its prediction of higher-multipole emission is confirmed at high confidence. We estimate a merger rate density of 1-23 Gpc$^{-3}$ yr$^{-1}$ for the new class of binary coalescence sources that GW190814 represents. Astrophysical models predict that binaries with mass ratios similar to this event can form through several channels, but are unlikely to have formed in globular clusters. However, the combination of mass ratio, component masses, and the inferred merger rate for this event challenges all current models for the formation and mass distribution of compact-object binaries.
    Keywords covid19
    Publisher ArXiv
    Document type Article ; Online
    DOI 10.3847/2041-8213/ab960f
    Database COVID19

    Kategorien

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