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    The MASIV survey: spectroscopic identifications of compact radio sources

    Access Status
    Fulltext not available
    Authors
    Pursimo, T.
    Ojha, R.
    Jauncey, D.
    Lovell, J.
    Dutka, M.
    Bignall, Hayley
    Macquart, Jean-Pierre
    Rickett, B.
    Kedziora-Chudczer, L.
    Koay, Jun Yi
    Date
    2014
    Type
    Conference Paper
    
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    Citation
    Pursimo, T. and Ojha, R. and Jauncey, D. and Lovell, J. and Dutka, M. and Bignall, H. and Macquart, J. et al. 2014. The MASIV survey: spectroscopic identifications of compact radio sources, in Mickaelian, A.M. and Sanders, D.B. (ed), Proceedigns of the International Astronomical Union Symposium S304, Oct 7 2013, pp. 110-111. Byurakan, Armenia: Cambridge University Press.
    Source Title
    Proceedings IAU Symposium No. 304,
    Source Conference
    IAU Symposium No. 304,
    DOI
    10.1017/S1743921314003500
    School
    Curtin Institute of Radio Astronomy
    URI
    http://hdl.handle.net/20.500.11937/31006
    Collection
    • Curtin Research Publications
    Abstract

    Interstellar scintillation (ISS) has been shown to be primarily responsible for the short term intraday variability (IDV) exhibited by extragalactic sources at centimeter wavelengths (e.g. Bignall et al. 2006 and references therein). For a source to scintillate its angular size must be comparable to that of the first Fresnel zone (Narayan 1992) which implies microarcsecond angular sizes for screen distances of tens to hundreds of parsecs. This has the potential to probe within a few light months of the central black hole (Bignall et al. 2006). The aim of the Microarcsecond Scintillation-Induced Variability (MASIV) survey was to provide a catalogue of at least a hundred AGNs that vary on timescales of hours to days to provide the basis of detailed studies of the IDV population drawn from a well-defined sample.

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