H.E.S.S. Follow-up Observations of Binary Black Hole Coalescence Events during the Second and Third Gravitational-wave Observing Runs of Advanced LIGO and Advanced Virgo

Abdalla, H.; Aharonian, F.; Benkhali, F. Ait; Anguner, E. O.; Ashkar, H.; Backes, M.; Baghmanyan, V; Martins, V. Barbosa; Batzofin, R.; Becherini, Yvonne; Berge, D.; Bernlohr, K.; Bi, B.; Bottcher, M.; Boisson, C.; Bolmont, J.; de Lavergne, M. de Bony; Brose, R.; Brun, F.; Bulik, T.; Bylund, Tomas; Cangemi, F.; Caroff, S.; Casanova, S.; Chand, T.; Chen, A.; Cotter, G.; Mbarubucyeye, J. Damascene; Devin, J.; Djannati-Atai, A.; Egberts, K.; Ernenwein, J-P; Fegan, S.; Fiasson, A.; de Clairfontaine, G. Fichet; Fontaine, G.; Funk, S.; Gabici, S.; Giavitto, G.; Giunti, L.; Glawion, D.; Glicenstein, J. F.; Grondin, M-H; Hinton, J. A.; Horbe, M.; Hofmann, W.; Holch, T. L.; Holler, M.; Huang, Zhiqiu; Huber, D.; Jamrozy, M.; Jankowsky, F.; Jung-Richardt, I; Kasai, E.; Katarzynski, K.; Katz, U.; Khelifi, B.; Komin, Nu; Konno, R.; Kosack, K.; Kostunin, D.; Kundu, A.; Lamanna, G.; Le Stum, S.; Lemiere, A.; Lemoine-Goumard, M.; Lenain, J-P; Leuschner, F.; Lohse, T.; Luashvili, A.; Lypova, I; Mackey, J.; Majumdar, J.; Malyshev, D.; Marandon, V; Marchegiani, P.; Marti-Devesa, G.; Marx, R.; Maurin, G.; Meintjes, P. J.; Mitchell, A.; Mohrmann, L.; Montanari, A.; Moulin, E.; Muller, J.; Murach, T.; de Naurois, M.; Nayerhoda, A.; Niemiec, J.; Noel, A. Priyana; O'Brien, P.; Ohm, S.; Olivera-Nieto, L.; Wilhelmi, E. de Ona; Ostrowski, M.; Panter, M.; Parsons, R. D.; Peron, G.; Poireau, V; Prokhorov, D. A.; Prokoph, H.; Puhlhofer, G.; Punch, Michael; Quirrenbach, A.; Reichherzer, P.; Renaud, M.; Rieger, F.; Rowell, G.; Rudak, B.; Ricarte, H. Rueda; Ruiz-Velasco, E.; Sahakian, V; Sailer, S.; Salzmann, H.; Sanchez, D. A.; Santangelo, A.; Sasaki, M.; Schussler, F.; Schutte, H. M.; Schwanke, U.; Senniappan, Mohanraj; Shapopi, J. N. S.; Sinha, A.; Sol, H.; Specovius, A.; Spencer, S.; Stawarz, L.; Steinmassl, S.; Steppa, C.; Sun, L.; Takahashi, T.; Tanaka, T.; Terrier, R.; Thorpe-Morgan, C.; Tsirou, M.; Tsuji, N.; Uchiyama, Y.; van Eldik, C.; Veh, J.; Vink, J.; Wagner, S. J.; Werner, F.; White, R.; Wierzcholska, A.; Wong, Yu Wun; Zacharias, M.; Zargaryan, D.; Zdziarski, A. A.; Zech, A.; Zhu, S. J.; Zouari, S.

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H.E.S.S. Follow-up Observations of Binary Black Hole Coalescence Events during the Second and Third Gravitational-wave Observing Runs of Advanced LIGO and Advanced Virgo

Abdalla, H.

Univ Namibia, Namibia.

Aharonian, F.

Dublin Inst Adv Studies, Ireland;Max Planck Inst Kernphys, Germany;RAU, Armenia.

Benkhali, F. Ait

Max Planck Inst Kernphys, Germany.

Anguner, E. O.

Aix Marseille Univ, France.

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2021 (English)In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 923, no 1, article id 109Article in journal (Refereed) Published

Abstract [en]

We report on the observations of four well-localized binary black hole (BBH) mergers by the High Energy Stereoscopic System (H.E.S.S.) during the second and third observing runs of Advanced LIGO and Advanced Virgo, O2 and O3. H.E.S.S. can observe 20 deg(2) of the sky at a time and follows up gravitational-wave (GW) events by "tiling" localization regions to maximize the covered localization probability. During O2 and O3, H.E.S.S. observed large portions of the localization regions, between 35% and 75%, for four BBH mergers (GW170814, GW190512_180714, GW190728_064510, and S200224ca). For these four GW events, we find no significant signal from a pointlike source in any of the observations, and we set upper limits on the very high energy (>100 GeV) gamma-ray emission. The 1-10 TeV isotropic luminosity of these GW events is below 10(45) erg s(-1) at the times of the H.E.S.S. observations, around the level of the low-luminosity GRB 190829A. Assuming no changes are made to how follow-up observations are conducted, H.E.S.S. can expect to observe over 60 GW events per year in the fourth GW observing run, O4, of which eight would be observable with minimal latency.

Place, publisher, year, edition, pages

Institute of Physics Publishing (IOPP), 2021. Vol. 923, no 1, article id 109

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Astronomy, Astrophysics and Cosmology

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Physics, Astroparticle Physics

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URN: urn:nbn:se:lnu:diva-109667DOI: 10.3847/1538-4357/ac2e04ISI: 000730638300001Scopus ID: 2-s2.0-85122934516OAI: oai:DiVA.org:lnu-109667DiVA, id: diva2:1630662

Available from: 2022-01-20 Created: 2022-01-20 Last updated: 2024-10-22Bibliographically approved

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Becherini, Yvonne Bylund, Tomas Punch, Michael Senniappan, Mohanraj

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