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    The first VLBI image of an infrared-faint radio source

    171138_171138.pdf (623.3Kb)
    Access Status
    Open access
    Authors
    Middelburg, E.
    Norris, R.
    Tingay, Steven
    Mao, M.
    Phillips, C.
    Hotan, A.
    Date
    2008
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Middelburg, E. and Norris, R. and Tingay, S. and Mao, M.Y. and Phillips, C.J. and Hotan, A.W. 2008. The first VLBI image of an infrared-faint radio source. Astronomy and Astrophysics. 491 (2): pp. 435-439.
    Source Title
    Astronomy and Astrophysics
    DOI
    10.1051/0004-6361:200810454
    ISSN
    0004-6361
    School
    Department of Imaging and Applied Physics
    Remarks

    Copyright © 2008 EDP Sciences. The final publication is available at www.epj.org

    URI
    http://hdl.handle.net/20.500.11937/15846
    Collection
    • Curtin Research Publications
    Abstract

    Context. We investigate the joint evolution of active galactic nuclei and star formation in the Universe. Aims. In the 1.4 GHz survey with the Australia Telescope Compact Array of the Chandra Deep Field South and the European Large Area ISO Survey – S1 we have identified a class of objects which are strong in the radio but have no detectable infrared and optical counterparts. This class has been called Infrared-Faint Radio Sources, or IFRS. 53 sources out of 2002 have been classified as IFRS. It is not known what these objects are. Methods. To address the many possible explanations as to what the nature of these objects is we have observed four sources with the Australian Long Baseline Array. Results. We have detected and imaged one of the four sources observed. Assuming that the source is at a high redshift, we find its properties in agreement with properties of Compact Steep Spectrum sources. However, due to the lack of optical and infrared data the constraints are not particularly strong.

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