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[10.17] On the Galactic Microquasar SS433/W50

S. Safi-Harb (U. of Manitoba), T. Kotani (Tokyo Inst. of Technology)

We briefly review the Galactic microquasar SS 433 associated with the supernova remnant W50. We then present a new RXTE/PCA spectral and timing study of SS433. We show that the X-ray flux decreases during radio flares, a behavior seen in other microquasars. We also find short time-scale variability unveiling emission regions from within the binary system. We discuss the implications of our study on the nature of this puzzling system. SSH acknowledges support by NSERC.

Bulletin of the American Astronomical Society, 35#2
© 2003. The American Astronomical Soceity.