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

Bhandari S, Keane EF, Barr ED, Jameson A, Petroff E, Johnston S, Bailes M, Bhat NDR, Burgay M, S. Burke-Spolaor SB-S, Caleb M, et al. (Accepted)
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY.

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We report the discovery of four Fast Radio Bursts (FRBs) in the ongoing SUrvey for Pulsars and Extragalactic Radio Bursts (SUPERB) at the Parkes Radio Telescope: FRBs 150610, 151206, 151230 and 160102. Our real-time discoveries have enabled us to conduct extensive, rapid multi-messenger 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 cutoff, and FRB 160102 has the highest dispersion measure (DM = $2596.1\pm0.3$ 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 $>2$ Jyms is $\alpha=-2.2^{+0.6}_{-1.2}$ and still consistent with a Euclidean distribution ($\alpha=-3/2$). We also find that the all-sky rate is $1.7^{+1.5}_{-0.9}\times10^3$FRBs/($4\pi$ sr)/day above $\sim2$ Jyms and there is currently no strong evidence for a latitude-dependent FRB sky-rate.
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Bhandari S, Keane EF, Barr ED, et al. The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. Accepted.
Bhandari, S., Keane, E. F., Barr, E. D., Jameson, A., Petroff, E., Johnston, S., Bailes, M., et al. (Accepted). The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Bhandari, S., Keane, E. F., Barr, E. D., Jameson, A., Petroff, E., Johnston, S., Bailes, M., Bhat, N. D. R., Burgay, M., S. Burke-Spolaor, S. B. - S., et al. (Accepted). The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY.
Bhandari, S., et al., Accepted. The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY.
S. Bhandari, et al., “The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up”, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Accepted.
Bhandari, S., Keane, E.F., Barr, E.D., Jameson, A., Petroff, E., Johnston, S., Bailes, M., Bhat, N.D.R., Burgay, M., S. Burke-Spolaor, S.B.-S., Caleb, M., Eatough, R.P., Flynn, C., Green, J.A., Jankowski, F., Kramer, M., Krishnan, V.V., Morello, V., Possenti, A., Stappers, B., Tiburzi, C., Straten, W. van, Andreoni, I., Butterley, T., Chandra, P., Cooke, J., Corongiu, A., Coward, D.M., Dhillon, V.S., Dodson, R., Hardy, L.K., Howell, E.J., Jaroenjittichai, P., Klotz, A., Littlefair, S.P., Marsh, T.R., Mickaliger, M., Muxlow, T., Perrodin, D., Pritchard, T., Sawangwit, U., Terai, T., Tominaga, N., Torne, P., Totani, T., Trois, A., Turpin, D., Niino, Y., Wilson, R.W.: The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. (Accepted).
Bhandari, S., Keane, E. F., Barr, E. D., Jameson, A., Petroff, E., Johnston, S., Bailes, M., Bhat, N. D. R., Burgay, M., S. Burke-Spolaor, S. Burke-Spolaor, Caleb, M., Eatough, R. P., Flynn, C., Green, J. A., Jankowski, F., Kramer, M., Krishnan, V. Venkatraman, Morello, V., Possenti, A., Stappers, B., Tiburzi, Caterina, Straten, W. van, Andreoni, I., Butterley, T., Chandra, P., Cooke, J., Corongiu, A., Coward, D. M., Dhillon, V. S., Dodson, R., Hardy, L. K., Howell, E. J., Jaroenjittichai, P., Klotz, A., Littlefair, S. P., Marsh, T. R., Mickaliger, M., Muxlow, T., Perrodin, D., Pritchard, T., Sawangwit, U., Terai, T., Tominaga, N., Torne, P., Totani, T., Trois, A., Turpin, D., Niino, Y., and Wilson, R. W. “The SUrvey for Pulsars and Extragalactic Radio Bursts II: New FRB discoveries and their follow-up”. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY (Accepted).
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