TeV Gamma-Ray Observations of the Binary Neutron Star Merger GW170817 with H.E.S.S.

Żywucka, N.; van der Walt, D. J.; Abdalla, H.; deWilt, P.; Abramowski, A.; de los Reyes, R.; Aharonian, F.; Arrieta, M.; Aubert, P.; Benkhali, F. Ait; Backes, M.; Angüner, E. O.; Balzer, A.; :.,; Barnard, M.; Arakawa, M.; Berge, D.; Tjus, J. Becker; Becherini, Y.; Bernhard, S.; Bernlöhr, K.; Blackwell, R.; Böttcher, M.; Boisson, C.; Bolmont, J.; Bordas, P.; Bonnefoy, S.; Brun, F.; Bregeon, J.; Bryan, M.; Brun, P.; Büchele, M.; Becker Tjus, J.; Bulik, T.; Capasso, M.; Caroff, S.; Carosi, A.; Cerruti, M.; Chen, A.; Chakraborty, N.; Chevalier, J.; Casanova, Sabrina; Chaves, R. C. G.; Colafrancesco, S.; Condon, B.; Conrad, J.; Davids, I. D.; Decock, J.; Deil, C.; Devin, J.; Dirson, L.; O'Drury, L. C.; Djannati-Ataï, A.; Donath, A.; Drury, L. O.-'.-C C.; Dutson, K.; Dyks, Jaroslaw; Edwards, T.; Egberts, K.; Emery, G.; Ernenwein, J.-P.; Füssling, M.; Gabici, S.; Fernandes, M. V.; Gallant, Y. A.; Garrigoux, T.; Ait Benkhali, F.; Eschbach, S.; Farnier, C.; Gaté, F.; Giavitto, G.; Fontaine, G.; Fegan, S.; Glawion, D.; Fiasson, A.; Funk, S.; Giebels, B.; Hermann, G.; Hawkes, J.; Hinton, J. A.; de Naurois, M.; Hofmann, W.; Glicenstein, J. F.; Hoischen, C.; Heinzelmann, G.; Gottschall, D.; Holch, T. L.; Hahn, J.; Henri, G.; Grondin, M.-H.; Holler, M.; Horns, D.; Haupt, M.; Jacholkowska, A.; Ivascenko, A.; Jamrozy, M.; Iwasaki, H.; Kastendieck, M. A.; Jankowsky, D.; Katarzyński, K.; Katsuragawa, M.; Jankowsky, F.; Jingo, M.; Katz, U.; Jouvin, L.; Kerszberg, D.; Jung-Richardt, I.; Khangulyan, D.; Khélifi, B.; King, J.; Klepser, S.; Klochkov, D.; Komin, N.-U.; Kluźniak, Włodzimierz; Kosack, K.; Krakau, S.; Kraus, M.; van Eldik, C.; Krüger, P. P.; van Rensburg, C.; van Soelen, B.; Laffon, H.; Lamanna, G.; Lenain, J.-P.; Lau, J.; Leser, E.; Lefaucheur, J.; Lohse, T.; Lees, J.-P.; Lorentz, M.; Lemière, A.; López-Coto, R.; Lemoine-Goumard, M.; Liu, R.; Lypova, I.; Malyshev, D.; Marandon, V.; Marcowith, Alexandre; Mariaud, C.; Marx, R.; Maurin, G.; Maxted, N.; Mayer, M.; Collaboration, H. E. S. S.; Meintjes, P. J.; Meyer, M.; Moderski, Rafal; Mitchell, A. M. W.; Mohamed, M.; Naurois, M. de; Mohrmann, L.; O’Brien, P.; Morå, K.; Niemiec, J.; Niederwanger, F.; Oakes, L.; Murach, T.; Moulin, E.; O'Brien, P.; Ndiyavala, H.; Nakashima, S.; Odaka, H.; Ohm, S.; Ostrowski, M.; Oya, I.; Padovani, M.; Panter, M.; Parsons, R. D.; Pekeur, N. W.; Poireau, V.; Piel, Q.; Poon, H.; Prokhorov, D.; Perennes, C.; Pelletier, G.; Pita, S.; Prokoph, H.; Petrucci, P.-O.; Peyaud, B.; Pühlhofer, G.; Punch, M.; Quirrenbach, A.; Raab, S.; Rauth, R.; Reimer, A.; Rinchiuso, L.; Reimer, O.; Romoli, C.; Rowell, G.; Renaud, Matthieu; Rudak, Bronislaw; Rieger, F.; Sanchez, D. A.; Santangelo, A.; Rulten, C. B.; Sahakian, V.; Sasaki, M.; Schlickeiser, R.; Saito, S.; Schüssler, F.; Schulz, A.; Schwanke, U.; Schwemmer, S.; Settimo, M.; Seglar-Arroyo, M.; Seyffert, A. S.; Shafi, N.; Shilon, I.; Simoni, R.; Shiningayamwe, K.; Sol, H.; Spanier, F.; Spir-Jacob, M.; Stawarz, Ł. }; Steenkamp, R.; Tsirou, M.; Stegmann, C.; Steppa, C.; Tsuji, N.; Sushch, I.; Tuffs, R.; Takahashi, T.; Uchiyama, Y.; Terrier, R.; Taylor, A. M.; Tavernet, J.-P.; Tibaldo, L.; Tavernier, T.; Trichard, C.; Vasileiadis, George; Tiziani, D.; Veh, J.; Tluczykont, M.; Viana, A.; Venter, C.; Vincent, P.; Vuillaume, T.; Vink, J.; Wadiasingh, Z.; Wagner, P.; Voisin, F.; Wagner, S. J.; Völk, H. J.; Zdziarski, Andrzej A.; Wagner, R. M.; Zanin, R.; White, R.; Zech, A.; Zywucka, N.; Wierzcholska, Alicja; Willmann, P.; Yang, R.; Zacharias, M.; Ziegler, A.; Reyes, R. de los; Wörnlein, A.; Wouters, D.; Zorn, J.; Zaborov, D.; Zefi, F.; Walt, D. J. van der; Eldik, C. van; Rensburg, C. van; Soelen, B. van

Published in

American Astronomical Society, Astrophysical Journal Letters, 2(850), p. L22, 2017

DOI: 10.3847/2041-8213/aa97d2

arXiv, 2017

DOI: 10.48550/arxiv.1710.05862

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TeV Gamma-Ray Observations of the Binary Neutron Star Merger GW170817 with H.E.S.S.

Journal article published in 2017 by N. Żywucka, D. J. van der Walt, H. Abdalla, P. deWilt, A. Abramowski, R. de los Reyes, F. Aharonian

, M. Arrieta, P. Aubert, F. Ait Benkhali, M. Backes, E. O. Angüner, A. Balzer, :., M. Barnard

and other authors.

This paper is made freely available by the publisher.

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Abstract

We search for high-energy gamma-ray emission from the binary neutron star merger GW170817 with the H.E.S.S. Imaging Air Cherenkov Telescopes. The observations presented here have been obtained starting only 5.3h after GW170817. The H.E.S.S. target selection identified regions of high probability to find a counterpart of the gravitational wave event. The first of these regions contained the counterpart SSS17a that has been identified in the optical range several hours after our observations. We can therefore present the first data obtained by a ground-based pointing instrument on this object. A subsequent monitoring campaign with the H.E.S.S. telescopes extended over several days, covering timescales from 0.22 to 5.2 days and energy ranges between $270\,\mathrm{GeV}$ to $8.55\,\mathrm{TeV}$. No significant gamma-ray emission has been found. The derived upper limits on the very-high-energy gamma-ray flux for the first time constrain non-thermal, high-energy emission following the merger of a confirmed binary neutron star system.

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TeV Gamma-Ray Observations of the Binary Neutron Star Merger GW170817 with H.E.S.S.

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