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The detection of an extremely bright fast radio burst in a phased array feed survey

  • K. W. Bannister
  • , R. M. Shannon
  • , J.-P. Macquart
  • , C. Flynn
  • , P. G. Edwards
  • , M. O'Neill
  • , S. Osłowski
  • , M. Bailes
  • , B. Zackay
  • , N. Clarke
  • , L. R. D'Addario
  • , R. Dodson
  • , P.J. Hall
  • , A. Jameson
  • , D. Jones
  • , R. Navarro
  • , J. T. Trinh
  • , J. Allison
  • , C. S. Anderson
  • , M. Bell
  • A. P. Chippendale, J. D. Collier, G. Heald, I. Heywood, A. W. Hotan, K. Lee-Waddell, J. P. Madrid, J. Marvil, D. McConnell, A. Popping, M. A. Voronkov, M. T. Whiting, G. R. Allen, D. C.-J. Bock, D. P. Brodrick, F. Cooray, D. R. Deboer, P. J. Diamond, R. Ekers, R. G. Gough, G. A. Hampson, L. Harvey-Smith, S. G. Hay, D. B. Hayman, C. A. Jackson, S. Johnston, B. S. Koribalski, N. M. McClure-Griffiths, P. Mirtschin, A. Ng, R. P. Norris, S. E. Pearce, C. J. Phillips, D. N. Roxby, E. R. Troup, T. Westmeier

Research output: Contribution to journalArticlepeer-review

159 Citations (Scopus)

Abstract

We report the detection of an ultra-bright fast radio burst (FRB) from a modest, 3.4-day pilot survey with the Australian Square Kilometre Array Pathfinder. The survey was conducted in a wide-field fly's-eye configuration using the phased-array-feed technology deployed on the array to instantaneously observe an effective area of 160 deg2, and achieve an exposure totaling 13200 deg2 hr . We constrain the position of FRB 170107 to a region in size (90% containment) and its fluence to be 58 ±6 Jy ms. The spectrum of the burst shows a sharp cutoff above 1400 MHz, which could be due to either scintillation or an intrinsic feature of the burst. This confirms the existence of an ultra-bright (> Jy ms) population of FRBs.
Original languageEnglish
Article numberL12
Number of pages6
JournalThe Astrophysical Journal Letters
Volume841
Issue number1
DOIs
Publication statusPublished - 2017

Keywords

  • radio astronomy
  • radio telescopes

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