出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：Simultaneous X-ray, radio, and optical observations have been performed of the microquasar SS
433 in August of 2005. These data have provided an exploration of the jet at several energies and
positions. X-ray and optical spectroscopy allows us to explore the agreement between the Doppler
shifts, which determines the relative location of the emission along the jet in both wavelength
regions. The data also provide information on the jet velocity and any possible changes along the
jet trajectory. We discuss the observations and some preliminary results obtained with this data
set. Observed unpredicted variability in the Doppler shifts is described and possible scenarios for
the changes are considered.
