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    The reproducible radio outbursts of SS Cygni

    242189_242189.pdf (2.071Mb)
    Access Status
    Open access
    Authors
    Russell, T.
    Miller-Jones, James
    Sivakoff, G.
    Altamirano, D.
    O'Brien, T.
    Page, K.
    Templeton, M.
    Körding, E.
    Knigge, C.
    Rupen, M.
    Fender, R.
    Heinz, S.
    Maitra, D.
    Markoff, S.
    Migliari, S.
    Remillard, R.
    Russell, D.
    Sarazin, C.
    Waagen, E.
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Russell, T. and Miller-Jones, J. and Sivakoff, G. and Altamirano, D. and O'Brien, T. and Page, K. and Templeton, M. et al. 2016. The reproducible radio outbursts of SS Cygni. Monthly Notices of the Royal Astronomical Society. 460 (4): pp. 3720-3732.
    Source Title
    Monthly Notices of the Royal Astronomical Society
    DOI
    10.1093/mnras/stw1238
    ISSN
    0035-8711
    School
    Department of Physics and Astronomy
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/FT140101082
    Remarks

    This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

    URI
    http://hdl.handle.net/20.500.11937/22970
    Collection
    • Curtin Research Publications
    Abstract

    We present the results of our intensive radio observing campaign of the dwarf nova SS Cyg during its 2010 April outburst. We argue that the observed radio emission was produced by synchrotron emission from a transient radio jet. Comparing the radio light curves from previous and subsequent outbursts of this system (including high-resolution observations from outbursts in 2011 and 2012) shows that the typical long and short outbursts of this system exhibit reproducible radio outbursts that do not vary significantly between outbursts, which is consistent with the similarity of the observed optical, ultraviolet and X-ray light curves. Contemporaneous optical and X-ray observations show that the radio emission appears to have been triggered at the same time as the initial X-ray flare, which occurs as disc material first reaches the boundary layer. This raises the possibility that the boundary region may be involved in jet production in accreting white dwarf systems. Our high spatial resolution monitoring shows that the compact jet remained active throughout the outburst with no radio quenching.

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