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    Radio Interferometric Tests of General Relativity

    Fomalont, Edward B.
    Kopeikin, Sergei M.
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    [PDF] RadioInterferometricTestsGeneralRelativity.pdf (113.0Kb)
    Date
    2009
    Format
    Article
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    Abstract
    Since VLBI techniques give microarcsecond position accuracy of celestial objects, tests of GR using radio sources as probes of a gravitational field have been made. We present the results from two recent tests using the VLBA: In 2005, the measurement of the classical solar deflection; and in 2002, the measurement of the retarded gravitational deflection associated with Jupiter. The deflection experiment measured PPN-gamma to an accuracy of 0.0003; the Jupiter experiment measured the retarded term to 20% accuracy. The controversy over the interpretation of the retarded term is summarized.
    URI
    http://hdl.handle.net/10355/6814
    Citation
    arXiv:0912.4038v1
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    • Physics and Astronomy publications (MU)

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