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    Astrometric observations of x-ray binaries using very long baseline interferometry

    199547_199547.pdf (980.0Kb)
    Access Status
    Open access
    Authors
    Miller-Jones, James
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Miller-Jones, J. 2014. Astrometric observations of x-ray binaries using very long baseline interferometry. Publications of the Astronomical Society of Australia. 31: Article ID e016.
    Source Title
    Publications of the Astronomical Society of Australia
    DOI
    10.1017/pasa.2014.7
    ISSN
    1323-3580
    URI
    http://hdl.handle.net/20.500.11937/37526
    Collection
    • Curtin Research Publications
    Abstract

    I review the astrophysical insights arising from high-precision astrometric observations of X-ray binary systems, focussing primarily (but not exclusively) on recent results with very long baseline interferometry. Accurate, model-independent distances from geometric parallax measurements can help determine physical parameters of the host binary system and constrain black hole spins via broadband X-ray spectral modelling. Long-term proper motion studies, combined with binary evolution calculations, can provide observational constraints on the formation mechanism of black holes. Finally, the astrometric residuals from parallax and proper motion fits can provide information on orbital sizes and jet physics. I end by discussing prospects for future progress in this field.

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