Abstract
Relativistic jets are now believed to be a fairly ubiquitous property of accreting compact objects, and are intimately coupled with the accretion history. Associated with rapid changes in the accretion states of the binary systems, ejections of relativistic plasma can be observed at radio frequencies on timescale of weeks before becoming undetectable. Recent observations point to long term effects of these ejecta on the interstellar medium with the formation of large scale lobes around binary systems and the acceleration of particles up to very high energy.
