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SWIFT J1753.5-0127: a surprising optical/X-ray cross-correlation function
Martin Durant, Poshak Gandhi, Tariq Shahbaz +4
We have conducted optical and X-ray simultaneous observations of SWIFT J1753.5-0127 with RXTE and ULTRACAM, while the system persisted in its relatively bright low/hard state. In t…
Evidence for Black Hole Spin in GX 339-4: XMM-Newton EPIC-pn and RXTE Spectroscopy of the Very High State
J. M. Miller, A. C. Fabian, C. S. Reynolds +9
We have analyzed spectra of the Galactic black hole GX 339-4 obtained through simultaneous 76 ksec XMM-Newton/EPIC-pn and 10 ksec RXTE observations during a bright phase of its 200…
Revealing the Focused Companion Wind in Cygnus X-1 with Chandra
J. M. Miller, P. Wojdowski, N. S. Schulz +5
We have analyzed a Chandra HETGS spectrum of the Galactic black hole Cygnus X-1, obtained at a source flux which is approximately twice that commonly observed in its persistent low…