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Swift BAT Survey of AGN
J. Tueller, R. F. Mushotzky, S. Barthelmy +5
We present the results of the analysis of the first 9 months of data of the Swift BAT survey of AGN in the 14-195 keV band. Using archival X-ray data or follow-up Swift XRT observa…
X-ray properties of an Unbiased Hard X-ray Detected Sample of AGN
Lisa M. Winter, Richard F. Mushotzky, Jack Tueller +1
The SWIFT gamma ray observatory's Burst Alert Telescope (BAT) has detected a sample of active galactic nuclei (AGN) based solely on their hard X-ray flux (14-195 keV). In this pape…
BAT X-ray Survey - III: X-ray Spectra and Statistical Properties
M. Ajello, A. Rau, J. Greiner +7
In this concluding part of the series of three papers dedicated to the Swift/BAT hard X-ray survey (BXS), we focus on the X-ray spectral analysis and statistical properties of the…
Hard X-ray Variability of AGN
V. Beckmann, S. D. Barthelmy, T. J. -L. Courvoisier +4
Aims: Active Galactic Nuclei are known to be variable throughout the electromagnetic spectrum. An energy domain poorly studied in this respect is the hard X-ray range above 20 keV.…
Discovery of the accretion-powered millisecond pulsar SWIFT J1756.9-2508 with a low-mass companion
H. A. Krimm, C. B. Markwardt, C. J. Deloye +10
We report on the discovery by the Swift Gamma-Ray Burst Explorer of the eighth known transient accretion-powered millisecond pulsar, SWIFT J1756.9-2508, as part of routine observat…
The Symbiotic System SS73 17 Seen with Suzaku
Randall K. Smith, Richard Mushotzky, Koji Mukai +3
We observed with Suzaku the symbiotic star SS73 17, motivated by the discovery by the INTEGRAL satellite and the Swift BAT survey that it emits hard X-rays. Our observations showed…