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    The MicroArcsecond Scintillation-Induced Variability (MASIV) Survey: Detection of Angular Broadening at High Redshift?

    Access Status
    Fulltext not available
    Authors
    Pursimo, T.
    Ojha, R.
    Jauncey, J.
    Lovell, J.
    Dutka, M.
    Bignall, Hayley
    Macquart, Jean-Pierre
    rickett, B.
    Kedziora-Chudczer, L.
    Date
    2008
    Type
    Conference Paper
    
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    Citation
    Pursimo, T. and Ojha, R. and Jauncey, J. and Lovell, J. and Dutka, M. and Bignall, H. and Macquart, J. et al. 2008. The MicroArcsecond Scintillation-Induced Variability (MASIV) Survey: Detection of Angular Broadening at High Redshift?, in Travis A. Rector and David S. De Young (ed), The Astronomical Society of the Pacific Conference, May 21 2008. Girdwood Alaska USA: Astronomical Society of the Pacific.
    Source Title
    The Astronomical Society of the Pacific conference Series
    Source Conference
    The Astronomical Society of the Pacific Conference
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/24880
    Collection
    • Curtin Research Publications
    Abstract

    Interstellar scintillation has been shown to be primarily responsible for intra-day variability exhibited by extragalactic sources at centimeter wavelengths. The recent MASIV survey has shown that a very high proportion of flat spectrum extragalactic radio sources scintillate; such behaviour is both too common and too important to ignore. A study of the physical properties of the MASIV objects is severely handicapped by the absence of reliable redshift measurements for most of the objects. We present the first results of the studies of the physical properties of the MASIV sources, based on archival and our own redshift measurements.

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