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  • Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3a
    Agatsuma, K; Altin, P A; Ananyeva, A; AultONeal, K; Barneo, P; Barone, F; Barr, B; Berry, C P L; Bonilla, E; Brady, P R; Bulik, T; Byer, R L; Cao, H; H -P Cheng; Colpi, M; J -P Coulon; Cripe, J; Daneshgaran-Bajastani, L M; Danilishin, S L; Demos, N; A Di Lieto; Dooley, K L; Downes, T P; Edelman, B; Eikenberry, S S; Etzel, T; Ewing, B E; Farinon, S; Fiori, I; Frasconi, F; Gergely, L; Ghonge, S; Grassia, P; Gray, R; Gulati, H K; Haris, K; Heurs, M; Hinderer, T; Huxford, R; J -M Isac; Jaranowski, P; Kapadia, S J; Khan, S; Kim, Chunglee; Kim, G J; Koehlenbeck, S M; Koekoek, G; Kumar, P; Lee, C H; Lee, K; Longo, A; Majorana, E; Mangano, V; Márka, Z; Markakis, C; Martynov, D V; Matichard, F; Mercer, R A; Merfeld, K; Mhaske, A; Mitrofanov, V P; Mondin, M; Mukherjee, S; Ogin, G H; Oh, J J; Oram, Richard J; Ortega, L F; Ossokine, S; Palashov, O; Patel, M; Pfeiffer, H P; Pürrer, M; Quetschke, V; Quinonez, P J; Radulesco, N; Rakhmanov, M; Richardson, J W; Riles, K; Rodriguez-Soto, R D; Rollins, J G; Sanchez, L E; Schönbeck, A; Schutz, B F; Sengupta, A S; Shawhan, P; Singh, D; Singh, N; Skliris, V; Stachie, C; Thirugnanasambandam, M P; Thomas, P; Tonelli, M; Torrie, C I; Tripathee, A; Vedovato, G; Veitch, J; Vetrano, F; Weiss, R; Yang, L; Yu, Hang

    arXiv.org, 08/2021
    Paper, Journal Article

    We search for gravitational-wave transients associated with gamma-ray bursts detected by the Fermi and Swift satellites during the first part of the third observing run of Advanced LIGO and Advanced Virgo (1 April 2019 15:00 UTC - 1 October 2019 15:00 UTC). 105 gamma-ray bursts were analyzed using a search for generic gravitational-wave transients; 32 gamma-ray bursts were analyzed with a search that specifically targets neutron star binary mergers as short gamma-ray burst progenitors. We describe a method to calculate the probability that triggers from the binary merger targeted search are astrophysical and apply that method to the most significant gamma-ray bursts in that search. We find no significant evidence for gravitational-wave signals associated with the gamma-ray bursts that we followed up, nor for a population of unidentified subthreshold signals. We consider several source types and signal morphologies, and report for these lower bounds on the distance to each gamma-ray burst.

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