GALACTIC JET SOURCES AND THE AGN CONNECTION

In order to further test our hypothesis that jets and disk around comp act accreting objects are symbiotic features we investigate the newly discovered superluminal galactic radio jets GRS 1915+105 and GRO J1655 -40 and other galactic radio jets like 1E1740-2942, GRS 1758-258 and S S 433 within the framework of our coupled jet/disk model developed ini tially for active galactic nuclei (AGN) and the galactic center source Sgr A. By comparing the ''disk'' and radio core luminosity of those galactic jet sources with our model prediction we can show that they c an easily be understood as AGN-like jets where the accretion power ont o a central compact object is scaled down by several orders of magnitu de. The total power of the jets must be comparable to the disk luminos ity - at least for the superluminal sources. To broaden our view we al so shortly discuss the situation in other galactic flat spectrum radio sources associated with compact objects - the X-ray binaries Cyg X-1, Cyg X-2, Cyg X-3, Sco X-1, Cir X-1 - where a jet origin has been prop osed earlier on theoretical grounds. In a disk/radio luminosity diagra m their radio cores also fall within our model prediction for scaled d own radio loud and radio weak AGN-jets. Taking all sources together an d comparing their L(disk)/radio ratio we find an indication for a simi lar radio loud/radio weak dichotomy as found earlier for quasar radio cores, however, a larger number of galactic jet sources is needed to c onfirm this trend.