Commensal discovery of four fast radio bursts during Parkes Pulsar Timing Array observations

S. Osłowski, R. M. Shannon, V. Ravi, J. F. Kaczmarek, S. Zhang, G. Hobbs, M. Bailes, C. J. Russell, W. Van Straten, C. W. [Unknown], A. Jameson, E. K. Mahony, P. Kumar, I. Andreoni, N. D. R. Bhat, S. Burke-Spolaor, S. Dai, J. Dempsey, M. Kerr, R. N. ManchesterA. Parthasarathy, D. Reardon, J. M. Sarkissian, R. Spiewak, L. Toomey, J.-B. Wang, L. Zhang, X.-J. Zhu, X.-J. Zhu

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

The Parkes Pulsar Timing Array (PPTA) project monitors two dozen millisecond pulsars (MSPs) in order to undertake a variety of fundamental physics experiments using the Parkes 64-m radio telescope. Since 2017 June, we have been undertaking commensal searches for fast radio bursts (FRBs) during the MSP observations. Here, we report the discovery of four FRBs (171209, 180309, 180311, and 180714). The detected events include an FRB with the highest signal-to-noise ratio ever detected at the Parkes Observatory, which exhibits unusual spectral properties. All four FRBs are highly polarized. We discuss the future of commensal searches for FRBs at Parkes.
Original languageEnglish
Pages (from-to)868-875
Number of pages8
JournalMonthly Notices of the Royal Astronomical Society
Volume488
Issue number1
DOIs
Publication statusPublished - 2019

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