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, Morgan E O'Neill, S. Oslowski, M. Bailes, Barak Zackay, N. Clarke, L. R. D'Addario, R. Dodson, P. J. Hall, A. Jameson, D. Jones, R. Navarro, J. T. Trinh, J. Allison

Research output: Contribution to journalArticlepeer-review

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
JournalAstrophysical Journal Letters
Volume841
Issue number1
DOIs
StatePublished - 20 May 2017

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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