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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
The dispersion–brightness relation for fast radio bursts from a wide-field survey
Nature, Volume 562, No. 7727, Year 2018
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Description
Despite considerable efforts over the past decade, only 34 fast radio bursts—intense bursts of radio emission from beyond our Galaxy—have been reported1,2. Attempts to understand the population as a whole have been hindered by the highly heterogeneous nature of the searches, which have been conducted with telescopes of different sensitivities, at a range of radio frequencies, and in environments corrupted by different levels of radio-frequency interference from human activity. Searches have been further complicated by uncertain burst positions and brightnesses—a consequence of the transient nature of the sources and the poor angular resolution of the detecting instruments. The discovery of repeating bursts from one source3, and its subsequent localization4 to a dwarf galaxy at a distance of 3.7 billion light years, confirmed that the population of fast radio bursts is located at cosmological distances. However, the nature of the emission remains elusive. Here we report a well controlled, wide-field radio survey for these bursts. We found 20, none of which repeated during follow-up observations between 185–1,097 hours after the initial detections. The sample includes both the nearest and the most energetic bursts detected so far. The survey demonstrates that there is a relationship between burst dispersion and brightness and that the high-fluence bursts are the nearby analogues of the more distant events found in higher-sensitivity, narrower-field surveys5. © 2018, Springer Nature Limited.
Authors & Co-Authors
Shannon, R. M.
Australia, Hawthorn
Swinburne University of Technology
Australia, Hawthorn
Arc Centre of Excellence for Gravitational Wave Discovery
Australia, Perth
International Centre for Radio Astronomy Research
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
MacQuart, Jean Pierre R.
Australia, Perth
International Centre for Radio Astronomy Research
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Bannister, Keith W.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Ekers, Ronald D.
Australia, Perth
International Centre for Radio Astronomy Research
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
James, Clancy W.
Australia, Perth
International Centre for Radio Astronomy Research
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Osłowski, Stefan
Australia, Hawthorn
Swinburne University of Technology
Qiu, Hao
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Sydney
The University of Sydney
Hotan, Aidan W.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Voronkov, Maxim A.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Brothers, Michael L.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Brown, Andrew J.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Bunton, John D.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Chippendale, Aaron P.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Haskins, C.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Leach, Mark R.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Marquarding, Malte
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
McConnell, David M.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Sadler, Elaine M.
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Sydney
The University of Sydney
Troup, Euan R.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Tuthill, John
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Whiting, Matthew T.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Allison, James R.
United Kingdom, Oxford
University of Oxford
Anderson, Craig S.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Bell, Martin E.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Australia, Sydney
Arc Centre of Excellence for All-sky Astrophysics
Australia, Sydney
University of Technology Sydney
Collier, Jordan D.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Australia, Penrith
Western Sydney University
Gürkan, Gulay
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Heald, George H.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Riseley, C. J.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Statistics
Citations: 218
Authors: 28
Affiliations: 9
Identifiers
Doi:
10.1038/s41586-018-0588-y
ISSN:
00280836
Research Areas
Environmental
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative