Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    The Arcminute Microkelvin Imager catalogue of gamma-ray burst afterglows at 15.7 GHz

    265585.pdf (1.754Mb)
    Access Status
    Open access
    Authors
    Anderson, Gemma
    Staley, T.
    van der Horst, A.
    Fender, R.
    Rowlinson, A.
    Mooley, K.
    Broderick, J.
    Wijers, R.
    Rumsey, C.
    Titterington, D.
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Anderson, G. and Staley, T. and van der Horst, A. and Fender, R. and Rowlinson, A. and Mooley, K. and Broderick, J. et al. 2018. The Arcminute Microkelvin Imager catalogue of gamma-ray burst afterglows at 15.7 GHz. Monthly Notices of the Royal Astronomical Society. 473 (2): pp. 1512-1536.
    Source Title
    Monthly Notices of the Royal Astronomical Society
    DOI
    10.1093/mnras/stx2407
    ISSN
    0035-8711
    School
    Curtin Institute of Radio Astronomy (Physics)
    Remarks

    This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2017 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

    URI
    http://hdl.handle.net/20.500.11937/67949
    Collection
    • Curtin Research Publications
    Abstract

    We present the Arcminute Microkelvin Imager (AMI) Large Array catalogue of 139 gamma-ray bursts (GRBs). AMI observes at a central frequency of 15.7 GHz and is equipped with a fully automated rapid-response mode, which enables the telescope to respond to high-energy transients detected by Swift. On receiving a transient alert, AMI can be on-target within 2 min, scheduling later start times if the source is below the horizon. Further AMI observations are manually scheduled for several days following the trigger. The AMI GRB programme probes the early-time (<1 d) radio properties of GRBs, and has obtained some of the earliest radio detections (GRB 130427A at 0.36 and GRB 130907A at 0.51 d post-burst). As all Swift GRBs visible to AMI are observed, this catalogue provides the first representative sample of GRB radio properties, unbiased by multiwavelength selection criteria. We report the detection of six GRB radio afterglows that were not previously detected by other radio telescopes, increasing the rate of radio detections by 50 per cent over an 18-month period. The AMI catalogue implies a Swift GRB radio detection rate of ≳ 15 per cent, down to ∼0.2 mJy beam−1. However, scaling this by the fraction of GRBs AMI would have detected in the Chandra & Frail sample (all radio-observed GRBs between 1997 and 2011), it is possible ∼ 44–56 per cent of Swift GRBs are radio bright, down to ∼0.1–0.15 mJy beam−1. This increase from the Chandra & Frail rate (∼30 per cent) is likely due to the AMI rapid-response mode, which allows observations to begin while the reverse-shock is contributing to the radio afterglow.

    Related items

    Showing items related by title, author, creator and subject.

    • A search for fast radio bursts associated with gamma-ray bursts
      Palaniswamy, D.; Wayth, Randall; Trott, Cathryn; McCallum, J.; Tingay, Steven; Reynolds, Cormac (2014)
      The detection of seven fast radio bursts (FRBs) has recently been reported. FRBs are short duration (~1 ms), highly dispersed radio pulses from astronomical sources. The physical interpretation for the FRBs remains unclear ...
    • The Australia Telescope 20 GHz Survey: the source catalogue
      Murphy, T.; Sadler, E.; Ekers, Ronald; Massardi, M.; Hancock, Paul; Mahony, E.; Ricci, R.; Burke-Spolaor, S.; Calabretta, M.; Chhetri, R.; De Zotti, G.; Edwards, P.; Ekers, J.; Jackson, Carole; Kesteven, M.; Lindley, E.; Newton-McGee, K.; Phillips, C.; Roberts, P.; Sault, R.; Staveley-Smith, L.; Subrahmanyan, R.; Walker, M.; Wilson, W. (2010)
      We present the full source catalogue from the Australia Telescope 20 GHz (AT20G) Survey. The AT20G is a blind radio survey carried out at 20 GHz with the Australia Telescope Compact Array (ATCA) from 2004 to 2008, and ...
    • Radio afterglows of very high-energy gamma-ray bursts 190829A and 180720B
      Rhodes, L.; Horst, A.J.V.D.; Fender, R.; Monageng, I.M.; Anderson, Gemma ; Antoniadis, J.; Bietenholz, M.F.; Böttcher, M.; Bright, J.S.; Green, D.A.; Kouveliotou, C.; Kramer, M.; Motta, S.E.; Wijers, R.A.M.J.; Williams, D.R.A.; Woudt, P.A. (2020)
      We present high-cadence multifrequency radio observations of the long gamma-ray burst (GRB) 190829A, which was detected at photon energies above 100 GeV by the High Energy Stereoscopic System (H.E.S.S.). Observations with ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.