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The XMM-Newton/INTEGRAL monitoring campaign of IGR J16318-4848
A. Ibarra, G. Matt, M. Guainazzi +5
IGR J16318-4848 is the prototype and one of the more extreme examples of the new class of highly obscured Galactic X-ray sources discovered by INTEGRAL. A monitoring campaign on th…
Evidence for 1122 Hz X-Ray Burst Oscillations from the Neutron-Star X-Ray Transient XTE J1739-285
P. Kaaret, Z. Prieskorn, J. J. M. in 't Zand +6
We report on millisecond variability from the X-ray transient XTE J1739-285. We detected six X-ray type I bursts and found evidence for oscillations at 1122 +/- 0.3 Hz in the brigh…
XMM-Newton and INTEGRAL spectroscopy of the microquasar GRO J1655-40 during its 2005 outburst
M. Diaz Trigo, A. N. Parmar, J. Miller +2
We report on two simultaneous XMM-Newton and INTEGRAL observations of the microquasar GRO J1655-40 during the 2005 outburst when the source was in its high-soft state. The 0.3-200…
ToO observations of GRO J1655-40 in outburst with INTEGRAL
M. D. Caballero-García, E. Kuulkers, P. Kretschmar +3
In this paper we present the results of the analysis of the INTEGRAL data for the black hole transient GRO J1655-40. The observations consist of four ToO (100 ks each) observations…
INTEGRAL observations of the cosmic X-ray background in the 5-100 keV range via occultation by the Earth
E. Churazov, R. Sunyaev, M. Revnivtsev +32
We study the spectrum of the cosmic X-ray background (CXB) in energy range 5-100 keV. Early in 2006 the INTEGRAL observatory performed a series of four 30ksec observations wi…
Average hard X-ray emission from NS LMXBs: Observational evidence of different spectral states in NS LMXBs
A. Paizis, R. Farinelli, L. Titarchuk +9
We studied and compared the long-term average hard X-ray (>20keV) spectra of a sample of twelve bright low-mass X-ray binaries hosting a neutron star (NS). Our sample comprises the…
The INTEGRAL Galactic Bulge monitoring program
E. Kuulkers, S. Shaw, S. Brandt +11
The Galactic Bulge region is a rich host of variable high-energy point sources. These sources include bright and relatively faint X-ray transients, X-ray bursters, persistent neutr…
Simultaneous X-ray/optical observations of GX 9+9 (4U 1728-16)
A. K. H. Kong, P. A. Charles, L. Homer +2
We report on the results of the first simultaneous X-ray (RXTE) and optical (SAAO) observations of the luminous low mass X-ray binary (LMXB) GX 9+9 in 1999 August. The high-speed o…