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arxiv: 1705.07581 · v2 · pith:HKFKYXSCnew · submitted 2017-05-22 · 🌌 astro-ph.HE

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 Os{\l}owski , Matthew Bailes
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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
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classification 🌌 astro-ph.HE
keywords burstarraysurveydetectionfastradioultra-brightabove
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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 $8'\times8'$ in size (90% containment) and its fluence to be $58\pm6$ 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.

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