The reproducible radio outbursts of SS Cygni
T. D. Russell, J. C. A. Miller-Jones, G. R. Sivakoff, D. Altamirano,, T. J. O'Brien, K. L. Page, M. R. Templeton, E. G. Koerding, C. Knigge, M. P., Rupen, R. P. Fender, S. Heinz, D. Maitra, S. Markoff, S. Migliari, R. A., Remillard, D. M. Russell, C. L. Sarazin, and E. O. Waagen

TL;DR
This study documents reproducible radio outbursts in SS Cygni during its 2010 outburst, linking radio emission to jet activity and boundary layer processes, with consistent multi-outburst observations.
Contribution
It provides the first detailed, multi-outburst radio observation campaign of SS Cygni, demonstrating reproducible radio jet behavior and its correlation with X-ray activity in a dwarf nova.
Findings
Radio emission is produced by synchrotron from a transient jet.
Radio outbursts are consistent across multiple outbursts.
Radio emission correlates with initial X-ray flares.
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 disk material first reaches the boundary layer. This raises the possibility that the…
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