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27 April 2024

» arxiv » 1705.7581

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The detection of an extremely bright fast radio burst in a phased array feed survey
Keith Bannister ; Ryan Shannon ; Jean-Pierre Macquart ; Chris Flynn ; Philip Edwards ; Morgan O'Neill ; Stefan Osłowski ; Matthew Bailes ; Barak Zackay ; Nathan Clarke ; Larry D'Addario ; Richard Dodson ; Peter Hall ; Andrew Jameson ; Dayton Jones ; Robert Navarro ; Joseph Trinh ; James Allison ; Craig Anderson ; Martin Bell ; Aaron Chippendale ; Jordan Collier ; George Heald ; Ian Heywood ; Aidan Hotan ; Karen Lee-Waddell ; Juan Madrid ; Joshua Marvil ; David McConnell ; Attila Popping ; Maxim Voronkov ; Matthew Whiting ; Graham Allen ; Douglas Bock ; David Brodrick ; Francis Cooray ; David DeBoer ; Philip Diamond ; Ron Ekers ; Russell Gough ; Grant Hampson ; Lisa Harvey-Smith ; Stuart Hay ; Douglas Hayman ; Carole Jackson ; Simon Johnston ; Baerbel Koribalski ; Naomi McClure-Griffiths ; Peter Mirtschin ; Alan Ng ; Ray Norris ; Sarah Pearce ; Chris Phillips ; Daniel Roxby ; Euan Robert Troup ; Tobias Westmeier ;
Date:	Mon, 22 May 2017 07:05:34 GMT (1876kb,D)
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 $160$ deg$^2$, and achieve an exposure totaling $13200$ deg$^2$ hr. We constrain the position of FRB 170107 to a region $8’ imes8’$ in size (90% containment) and its fluence to be $58pm6$ Jy ms. The spectrum of the burst shows a sharp cutoff above $1400$ MHz, which could be either due to scintillation or an intrinsic feature of the burst. This confirms the existence of an ultra-bright ($>20$ Jy ms) population of FRBs.
Source:	arXiv, 1705.7581
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