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Dynamical Evidence for a Black Hole in the Microquasar XTE J1550-564
Jerome A. Orosz, Paul J. Groot, Michiel van der Klis +6
Optical spectroscopic observations of the companion star (type G8IV to K4III) in the microquasar system XTE J1550-564 reveal a radial velocity curve with a best fitting spectroscop…
How Do Z and Atoll X-ray Binaries Differ?
Michael P. Muno, Ronald A. Remillard, Deepto Chakrabarty
Low-mass X-ray binaries containing weakly magnetized neutron stars may be divided into two classes, Z and atoll sources, based in large part upon the patterns which they trace in p…
Observations of Gamma-ray Bursts with the Rossi X-ray Timing Explorer
Hale Bradt, Alan M. Levine, Francis E. Marshall +3
The role of the Rossi X-ray Timing Explorer (RXTE) in the study of Gamma-ray Bursts (GRBs) is reviewed. Through April 2001, the All-Sky Monitor (ASM) and the Proportional Counter A…
Characterizing the QPO Behavior of the X-ray Nova XTE J1550--564
Ronald A. Remillard, Gregory J. Sobczak, Michael P. Muno +1
For all 209 RXTE observations of the X-ray nova XTE J1550-564 during its major outburst of 1998-1999, we have analyzed the X-ray power spectra, phase lags, and coherence functions.…
Multiwavelength Observations of the Black Hole Candidate XTE J1550-564 during the 2000 Outburst
R. K. Jain, C. D. Bailyn, J. A. Orosz +2
We report optical, infrared, and X-ray light curves for the outburst, in 2000, of the black hole candidate XTE J1550-564. We find that the start of the outburst in the H and V band…
Radio Emission and the Timing Properties of the Hard X-ray State of GRS 1915+105
M. P. Muno, R. A. Remillard, E. H. Morgan +4
We combine a complete sample of 113 pointed observations taken with the Rossi X-ray Timing Explorer between 1996-1999, monitoring observations taken with the Ryle telescope and the…
Properties of Black Holes in Stellar Binary Systems
R. A. Remillard
Recent X-ray timing and spectral observations of black hole binaries in outburst have redefined methods for investigating the properties of Galactic black holes and the physics of…
Use of Gas Electron Multiplier (GEM) Detectors for an Advanced X-ray Monitor
R. A. Remillard, A. M. Levine, E. A. Boughan +5
We describe a concept for a NASA SMEX Mission in which Gas Electron Multiplier (GEM) detectors, developed at CERN, are adapted for use in X-ray astronomy. These detectors can be us…
A Black Hole in the Superluminal source SAX J1819.3-2525 (V4641 Sgr)
Jerome A. Orosz, Erik Kuulkers, Michiel van der Klis +6
(shortened) Spectroscopic observations of the fast X-ray transient and superluminal jet source SAX J1819.3-2525 (V4641 Sgr) reveal a best fitting period of P_spect=2.81678 +/- 0.00…