A MeerKAT, e-MERLIN, HESS, and Swift search for persistent and transient 
emission associated with three localized FRBs

Chibueze, J. O.; Caleb, M.; Spitler, L.; Ashkar, H.; Schussler, F.; Stappers, B. W.; Venter, C.; Heywood, I; Richards, A. M. S.; Williams, D. R. A.; Kramer, M.; Beswick, R.; Bezuidenhout, M. C.; Breton, R. P.; Driessen, L. N.; Jankowski, F.; Keane, E. F.; Malenta, M.; Mickaliger, M.; Morello, V; Qiu, H.; Rajwade, K.; Sanidas, S.; Surnis, M.; Scragg, T. W.; Walker, C. R. H.; Wrigley, N.; Aharonian, F.; Ait Benkhali, F.; Anguener, E. O.; Backes, M.; Baghmanyan, V; Martins, V. Barbosa; Batzofin, R.; Becherini, Y.; Berge, D.; Bottcher, M.; Boisson, C.; Bolmont, J.; de Lavergne, M. de Bony; Breuhaus, M.; Brose, R.; Brun, F.; Bulik, T.; Cangemi, F.; Caroff, S.; Casanova, S.; Catalano, J.; Cerruti, M.; Chand, T.; Chen, A.; Chibueze, O. U.; Cotter, G.; Cristofari, P.; Mbarubucyeye, J. Damascene; Devin, J.; Djannati-Atai, A.; Dmytriiev, A.; Egberts, K.; Ernenwein, J-P; Fiasson, A.; de Clairfontaine, G. Fichet; Fontaine, G.; Funk, S.; Gabici, S.; Ghafourizadeh, S.; Giavitto, G.; Glawion, D.; Grondin, M-H; Horbe, M.; Hoischen, C.; Holch, T. L.; Huang, Zhiqiu; Jamrozy, M.; Jankowsky, F.; Joshi, V; Jung-Richardt, I; Kasai, E.; Katarzynski, K.; Katz, U.; Khelifi, B.; Kluzniak, W.; Komin, Nu; Kosack, K.; Kostunin, D.; Lemiere, A.; Lenain, J-P; Leuschner, F.; Lohse, T.; Luashvili, A.; Lypova, I; Mackey, J.; Malyshev, D.; Marandon, V; Marchegiani, P.; Marcowith, A.; Marti-Devesa, G.; Marx, R.; Mitchell, A.; Moderski, R.; Mohrmann, L.; Moulin, E.; Muller, J.; Nakashima, K.; de Naurois, M.; Nayerhoda, A.; Niemiec, J.; Noel, A. Priyana; O'Brien, P.; Ohm, S.; Olivera Nieto, L.; Wilhelmi, E. de Ona; Ostrowski, M.; Panny, S.; Parsons, R. D.; Pita, S.; Poireau, V; Prokhorov, D. A.; Prokoph, H.; Puehlhofer, G.; Quirrenbach, A.; Reichherzer, P.; Reimer, A.; Reimer, O.; Rowell, G.; Rudak, B.; Ruiz-Velasco, E.; Sahakian, V; Sailer, S.; Salzmann, H.; Sanchez, D. A.; Santangelo, A.; Sasaki, M.; Schutte, H. M.; Schwanke, U.; Shapopi, J. N. S.; Specovius, A.; Spencer, S.; Steenkamp, R.; Steinmassl, S.; Takahashi, T.; Tanaka, T.; Thorpe-Morgan, C.; Tsuji, N.; van Eldik, C.; Veh, J.; Vink, J.; Wagner, S. J.; Wierzcholska, A.; Wong, Yu Wun; Yusafzai, A.; Zacharias, M.; Zargaryan, D.; Zdziarski, A. A.; Zech, A.; Zhu, S. J.; Zouari, S.; Zywucka, N.

doi:10.1093/mnras/stac1601

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A MeerKAT, e-MERLIN, HESS, and Swift search for persistent and transient emission associated with three localized FRBs

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Aharonian, F.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Ait Benkhali, F.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Olivera Nieto, L.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Citation

Chibueze, J. O., Caleb, M., Spitler, L., Ashkar, H., Schussler, F., Stappers, B. W., et al. (2022). A MeerKAT, e-MERLIN, HESS, and Swift search for persistent and transient emission associated with three localized FRBs. Monthly Notices of the Royal Astronomical Society, 515(1), 1365-1379. doi:10.1093/mnras/stac1601.

Cite as: https://hdl.handle.net/21.11116/0000-000A-F753-2

Abstract

We report on a search for persistent radio emission from the one-off fast radio burst (11(B) 20190714A, as well as from two repeating FRBs, 20190711A and 20171019A, using the MeerKAT radio telescope. For FRB 20171019A, we also conducted simultaneous observations with the High-Energy Stereoscopic System (H.E.S.S.) in very high-energy gamma rays and searched for signals in the ultraviolet, optical, and X-ray bands. For this FRB, we obtain a UV flux upper limit of 1.39 x 10(-16) erg cm(-2) s(-1) angstrom(-1), X-ray limit of similar to 6.6 x 10(-14) erg cm(-2) s(-1) and a limit on the very high energy gamma-ray flux Phi(E > 120 GeV) < 1.7 x 10(-12) erg cm(-2) S-1. We obtain a radio upper limit of similar to 15 mu Jy beam(-1) for persistent emission at the locations of both FRBs 20190711A and 20171019A with MeerKAT. However, we detected an almost unresolved (ratio of integrated flux to peak flux is similar to 1.7 beam) radio emission, where the synthesized beam size was similar to 8 arcsec size with a peak brightness of similar to 53 mu Jy beam(-1) at MeerKAT and similar to 86 mu Jy beam(-1) at e-MERLIN, possibly associated with FRB 20190714A at z = 0.2365. This represents the first detection of persistent continuum radio emission potentially associated with a (as-yet) non- repeating FRB. If the association is confirmed, one of the strongest remaining distinction between repeaters and non-repeaters would no longer be applicable. A parallel search for repeat bursts from these FRBs revealed no new detections down to a fluence of 0.08 Jy ms for a 1 ms duration burst.