The reproducible radio outbursts of SS Cygni
The reproducible radio outbursts of SS Cygni
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.
3720-3732
Russell, T.D.
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Miller-Jones, J.C.A.
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Sivakoff, G.R.
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Altamirano, D.
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O'Brien, T.J.
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Page, K.L.
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Templeton, M.R.
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Kording, E.G.
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Knigge, C.
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Rupen, M.P.
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Fender, R.P.
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Heinz, S.
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Maitra, D.
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Markoff, S.
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Migliari, S.
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Remillard, R.A.
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Russell, D.M.
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Sarazin, C.L.
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Waagen, E.O.
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21 August 2016
Russell, T.D.
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Miller-Jones, J.C.A.
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Sivakoff, G.R.
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Altamirano, D.
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O'Brien, T.J.
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Page, K.L.
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Templeton, M.R.
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Kording, E.G.
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Knigge, C.
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Rupen, M.P.
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Fender, R.P.
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Heinz, S.
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Maitra, D.
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Markoff, S.
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Migliari, S.
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Remillard, R.A.
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Russell, D.M.
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Sarazin, C.L.
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Waagen, E.O.
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Russell, T.D., Miller-Jones, J.C.A., Sivakoff, G.R., Altamirano, D., O'Brien, T.J., Page, K.L., Templeton, M.R., Kording, E.G., Knigge, C., Rupen, M.P., Fender, R.P., Heinz, S., Maitra, D., Markoff, S., Migliari, S., Remillard, R.A., Russell, D.M., Sarazin, C.L. and Waagen, E.O.
(2016)
The reproducible radio outbursts of SS Cygni.
Monthly Notices of the Royal Astronomical Society, 460 (4), .
(doi:10.1093/mnras/stw1238).
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.
Text
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Accepted/In Press date: 19 May 2016
e-pub ahead of print date: 24 May 2016
Published date: 21 August 2016
Organisations:
Astronomy Group
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Local EPrints ID: 396284
URI: http://eprints.soton.ac.uk/id/eprint/396284
ISSN: 1365-2966
PURE UUID: ad5a39ba-af68-419e-9daf-f24df7f68eda
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Date deposited: 07 Jun 2016 13:59
Last modified: 22 Aug 2025 04:36
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Contributors
Author:
T.D. Russell
Author:
J.C.A. Miller-Jones
Author:
G.R. Sivakoff
Author:
T.J. O'Brien
Author:
K.L. Page
Author:
M.R. Templeton
Author:
E.G. Kording
Author:
M.P. Rupen
Author:
R.P. Fender
Author:
S. Heinz
Author:
D. Maitra
Author:
S. Markoff
Author:
S. Migliari
Author:
R.A. Remillard
Author:
D.M. Russell
Author:
C.L. Sarazin
Author:
E.O. Waagen
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