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    Black hole masses from X-rays

    Access Status
    Open access via publisher
    Authors
    Zhou, X.
    Soria, Roberto
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Zhou, X. and Soria, R. 2012. Black hole masses from X-rays. Proceedings of the International Astronomical Union. 8 (S290): pp. 371-372.
    Source Title
    Proceedings of the International Astronomical Union
    DOI
    10.1017/S1743921312020455
    ISBN
    9781107033795
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/21034
    Collection
    • Curtin Research Publications
    Abstract

    We discuss two methods to estimate black hole (BH) masses using X-ray data only: from the X-ray variability amplitude and from the photon index G. The first method is based on the anti-correlation between BH mass and X-ray variability amplitude. Using a sample of AGN with BH masses from reverberation mapping, we show that this method shows small intrinsic scatter. The second method is based on the correlation between G and both the Eddington ratio L bol/L Edd and the bolometric correction L bol/L 2-10keV. © International Astronomical Union 2013.

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