8-12 juin, 2014


Revealing Radio Emission from the Prototypical Dwarf Nova, SS Cygni

Gregory Sivakoff (University of Alberta)

Miller-Jones, J. C. A. (Curtin University), Knigge, C. (University of Southampton), Körding, E. G. (Radboud University Nijmegen), Templeton, M., Waagen, E. O. (American Association of Variable Star Observers), and the JACPOT XRB Collaboration

Multiwavelength observations of accreting compact objects have revealed the connection between accretion and relativistic jets in black hole and neutron star X-ray binaries. However, a relative dearth of radio information has limited such studies in (white dwarf) cataclysmic variables. One counterexample is radio emission from the prototypical dwarf nova, SS Cygni. I will present the results from the JACPOT XRB multi-wavelength campaign on SS Cygni, as well as follow-up observations. In particular high resolution radio results not only yield a precise and accurate distance to SS Cygni (114±2 pc), which vindicates the (crucial) disk instability model for accretion, but also enable direct comparison to the disc-jet connection in black hole and neutron star X-ray binaries.
(doit être confirmé par le SOC)