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The SUrvey for Pulsars and Extragalactic Radio Bursts – II. New FRB discoveries and their follow-up.

Bhandari, S. and Keane, E. F. and Barr, E. D. and Jameson, A. and Petroff, E. and Johnston, S. and Bailes, M. and Bhat, N. D. R. and Burgay, M. and Burke-Spolaor, S. and Caleb, M. and Eatough, R. P. and Flynn, C. and Green, J. A. and Jankowski, F. and Kramer, M. and Krishnan, V. Venkatraman and Morello, V. and Possenti, A. and Stappers, B. and Tiburzi, C. and van Straten, W. and Andreoni, I. and Butterley, T. and Chandra, P. and Cooke, J. and Corongiu, A. and Coward, D. M. and Dhillon, V. S. and Dodson, R. and Hardy, L. K. and Howell, E. J. and Jaroenjittichai, P. and Klotz, A. and Littlefair, S. P. and Marsh, T. R. and Mickaliger, M. and Muxlow, T. and Perrodin, D. and Pritchard, T. and Sawangwit, U. and Terai, T. and Tominaga, N. and Torne, P. and Totani, T. and Trois, A. and Turpin, D. and Niino, Y. and Wilson, R. W. and Albert, A. and André, M. and Anghinolfi, M. and Anton, G. and Ardid, M. and Aubert, J.-J. and Avgitas, T. and Baret, B. and Barrios-Martí, J. and Basa, S. and Belhorma, B. and Bertin, V. and Biagi, S. and Bormuth, R. and Bourret, S. and Bouwhuis, M. C. and Brânzaş, H. and Bruijn, R. and Brunner, J. and Busto, J. and Capone, A. and Caramete, L. and Carr, J. and Celli, S. and Moursli, R. Cherkaoui El and Chiarusi, T. and Circella, M. and Coelho, J. A. B. and Coleiro, A. and Coniglione, R. and Costantini, H. and Coyle, P and Creusot, A. and Díaz, A. F. and Deschamps, A. and De Bonis, G. and Distefano, C. and Palma, I. Di and Domi, A. and Donzaud, C. and Dornic, D. and Drouhin, D. and Eberl, T. and Bojaddaini, I. El and Khayati, N. El and Elsässer, D. and Enzenhöfer, A. and Ettahiri, A. and Fassi, F. and Felis, I. and Fusco, L. A. and Gay, P. and Giordano, V. and Glotin, H. and Gregoire, T. and Gracia-Ruiz, R. and Graf, K. and Hallmann, S. and van Haren, H. and Heijboer, A. J. and Hello, Y. and Hernández-Rey, J. J. and Hößl, J. and Hofestädt, J. and Hugon, C. and Illuminati, G. and James, C. W. and de Jong, M. and Jongen, M. and Kadler, M. and Kalekin, O. and Katz, U. and Kießling, D. and Kouchner, A. and Kreter, M. and Kreykenbohm, I. and Kulikovskiy, V. and Lachaud, C. and Lahmann, R. and Lefèvre, D. and Leonora, E. and Loucatos, S. and Marcelin, M. and Margiotta, A. and Marinelli, A. and Martínez-Mora, J. A. and Mele, R. and Melis, K. and Michael, T. and Migliozzi, P. and Moussa, A. and Navas, S. and Nezri, E. and Organokov, M. and Păvălaş, G. E. and Pellegrino, C. and Perrina, C. and Piattelli, P. and Popa, V. and Pradier, T. and Quinn, L. and Racca, C. and Riccobene, G. and Sánchez-Losa, A. and Saldaña, M. and Salvadori, I. and Samtleben, D. F. E. and Sanguineti, M. and Sapienza, P. and Schüssler, F. and Sieger, C. and Spurio, M. and Stolarczyk, Th. and Taiuti, M. and Tayalati, Y. and Trovato, A. and Turpin, D. and Tönnis, C. and Vallage, B. and Van Elewyck, V. and Versari, F. and Vivolo, D. and Vizzocca, A. and Wilms, J. and Zornoza, J. D. and Zúñiga, J. (2018) 'The SUrvey for Pulsars and Extragalactic Radio Bursts – II. New FRB discoveries and their follow-up.', Monthly notices of the Royal Astronomical Society., 475 (2). pp. 1427-1446.

Abstract

We report the discovery of four Fast Radio Bursts (FRBs) in the ongoing SUrvey for Pulsars and Extragalactic Radio Bursts at the Parkes Radio Telescope: FRBs 150610, 151206, 151230 and 160102. Our real-time discoveries have enabled us to conduct extensive, rapid multimessenger follow-up at 12 major facilities sensitive to radio, optical, X-ray, gamma-ray photons and neutrinos on time-scales ranging from an hour to a few months post-burst. No counterparts to the FRBs were found and we provide upper limits on afterglow luminosities. None of the FRBs were seen to repeat. Formal fits to all FRBs show hints of scattering while their intrinsic widths are unresolved in time. FRB 151206 is at low Galactic latitude, FRB 151230 shows a sharp spectral cut-off, and FRB 160102 has the highest dispersion measure (DM = 2596.1 ± 0.3 pc cm−3) detected to date. Three of the FRBs have high dispersion measures (DM > 1500 pc cm−3), favouring a scenario where the DM is dominated by contributions from the intergalactic medium. The slope of the Parkes FRB source counts distribution with fluences >2 Jy ms is α=−2.2+0.6−1.2 and still consistent with a Euclidean distribution (α = −3/2). We also find that the all-sky rate is 1.7+1.5−0.9×103 FRBs/(4π sr)/day above ∼2Jyms and there is currently no strong evidence for a latitude-dependent FRB sky rate.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1093/mnras/stx3074
Publisher statement:This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Date accepted:20 November 2017
Date deposited:16 February 2018
Date of first online publication:27 November 2017
Date first made open access:16 February 2018

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