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    The art and design of the CRAFT (Commensal Real-time ASKAP Fast Transients) survey

    150200_25495_skeleton.pdf (396.0Kb)
    Access Status
    Open access
    Authors
    Macquart, Jean-Pierre
    Hall, Peter
    Clarke, N.
    Date
    2010
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Macquart, Jean-Pierre and Hall, Peter and Clarke, Nathan. 2010. The art and design of the CRAFT (Commensal Real-time ASKAP Fast Transients) Survey, in van Leeuwen, J. (ed), International SKA Forum 2010, pp. 1-12. Assen, The Netherlands: Proceedings of Science.
    Source Title
    Proceedings of Science
    Source Conference
    International SKA Forum 2010
    ISSN
    18248039
    School
    Department of Imaging and Applied Physics
    URI
    http://hdl.handle.net/20.500.11937/8577
    Collection
    • Curtin Research Publications
    Abstract

    We describe the objectives and strategy of a commensal survey for fast (<5s) transient radio sources on ASKAP. Short-timescale transients are associated with the most energetic and brightest single events in the Universe. Our objective is to cover the enormous volume of transients parameter space made available by ASKAP, with an unprecedented combination of sensitivity and field of view. Fast timescale transients open new vistas on the physics of high brightness temperature emission, extreme states of matter and the physics of strong gravitational fields. In addition, the detection of extragalactic objects affords us an entirely new and extremely sensitive probe on the huge reservoir of baryons present in the IGM. We outline here our approach to the considerable challenge involved in detecting fast transients, particularly the development of hardware fast enough to dedisperse and search the ASKAP data stream at real-time rates at high time resolution. CRAFT aims to test of many of the key technologies and survey modes proposed for high time resolution widefield science with the SKA.

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