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    Localization and broadband follow-up of the gravitational-wave transient GW150914

    250894.pdf (3.252Mb)
    Access Status
    Open access
    Authors
    Franzen, Thomas
    Tingay, Steven
    Wayth, Randall
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Abbott, B. and Abbott, R. and Abbott, T. and Abernathy, M. and Acernese, F. and Ackley, K. and Adams, C. et al. 2016. Localization and broadband follow-up of the gravitational-wave transient GW150914. Astrophysical Journal Letters. 826: L13.
    Source Title
    Astrophysical Journal Letters
    DOI
    10.3847/2041-8205/826/1/L13
    ISSN
    2041-8205
    School
    Curtin Institute of Radio Astronomy (Physics)
    Remarks

    Copyright © 2016 The American Astronomical Society. All rights reserved.

    URI
    http://hdl.handle.net/20.500.11937/51667
    Collection
    • Curtin Research Publications
    Abstract

    A gravitational-wave (GW) transient was identified in data recorded by the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) detectors on 2015 September 14. The event, initially designated G184098 and later given the name GW150914, is described in detail elsewhere. By prior arrangement, preliminary estimates of the time, significance, and sky location of the event were shared with 63 teams of observers covering radio, optical, near-infrared, X-ray, and gamma-ray wavelengths with ground- and space-based facilities. In this Letter we describe the low-latency analysis of the GW data and present the sky localization of the first observed compact binary merger. We summarize the follow-up observations reported by 25 teams via private Gamma-ray Coordinates Network circulars, giving an overview of the participating facilities, the GW sky localization coverage, the timeline, and depth of the observations. As this event turned out to be a binary black hole merger, there is little expectation of a detectable electromagnetic (EM) signature. Nevertheless, this first broadband campaign to search for a counterpart of an Advanced LIGO source represents a milestone and highlights the broad capabilities of the transient astronomy community and the observing strategies that have been developed to pursue neutron star binary merger events. Detailed investigations of the EM data and results of the EM follow-up campaign are being disseminated in papers by the individual teams. © 2016. The American Astronomical Society. All rights reserved

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