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The Intensity Distribution of Faint Gamma-ray Bursts Detected with BATSE
J. M. Kommers, W. H. G. Lewin, C. Kouveliotou +4
We have recently completed a search of 6 years of archival BATSE data for gamma-ray bursts (GRBs) that were too faint to activate the real-time burst detection system running onboa…
Quasi-Periodic Oscillations in Black Hole Candidates as an Indicator of Transition Between Low and High States
Robert E. Rutledge, Walter H. G. Lewin, Michiel van der Klis +6
By comparing positions on a spectral color-color diagram from 10 black hole candidates (BHCs) observed with Ginga (1354-64, 1826-24, 1630-47, LMC X-1, LMC X-3, GS 2000+25, GS 2023+…
The Beat-Frequency Interpretation of Kilohertz QPOs in Neutron Star Low-Mass X-ray Binaries
D. Psaltis, M. Mendez, R. Wijnands +7
Pairs of quasi-periodic oscillations (QPOs) at kilohertz frequencies are a common phenomenon in several neutron-star low-mass X-ray binaries. The frequency separation of the QPO pe…
Sidebands Due to Quasi-periodic Oscillations in 4U 1626-67
J. M. Kommers, D. Chakrabarty, W. H. G. Lewin
The low-mass X-ray binary pulsar 4U 1626-67 shows 0.048 Hz quasi-periodic oscillations (QPOs) and red noise variability as well as coherent pulsations at the 0.130 Hz neutron star…
Discovery of KiloHertz Quasi-Periodic Oscillations in 4U 1735-44
Rudy Wijnands, Michiel van der Klis, Mariano Mendez +5
We discovered a single kHz quasi-periodic oscillation (QPO) near 1150 Hz in the Rossi X-ray Timing Explorer X-ray light curve of the low mass X-ray binary and atoll source 4U 1735-…