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3-200 keV spectral states and variability of the INTEGRAL Black Hole binary IGR J17464-3213
F. Capitanio, P. Ubertini, A. Bazzano +12
On March 2003, IBIS, the gamma-ray imager on board the INTEGRAL satellite, detected an outburst from a new source, IGR J17464-3213, that turned out to be a HEAO-1 transient, H1743-…
1E 1740.7-2942: temporal and spectral evolution from INTEGRAL and RXTE observations
M. Del Santo, A. Bazzano, A. A. Zdziarski +13
We present results of the monitoring of the black hole candidate 1E 1740.7-2942 with INTEGRAL, in combination with simultaneous observations by RXTE. We concentrate on broad-band s…
INTEGRAL/SPI Limits on Electron-Positron Annihilation Radiation from the Galactic Plane
B. J. Teegarden, K. Watanabe, P. Jean +24
The center of our Galaxy is a known strong source of electron-positron 511-keV annihilation radiation. Thus far, however, there have been no reliable detections of annihilation rad…
The INTEGRAL View of the Galactic Nucleus
A. Goldwurm, G. Belanger, P. Goldoni +15
We present the preliminary results of the observational campaign performed in 2003 to study the Galactic Nucleus with INTEGRAL. The mosaicked images obtained with the IBIS/ISGRI co…
INTEGRAL monitoring of the Black Hole candidate 1E 1740.7-2942
M. Del Santo, A. Bazzano, D. M. Smith +24
The brightest persistent Galactic black hole candidate close to the Galactic Centre, 1E 1740.7-2942, has long been observed with INTEGRAL. In this paper, we report on the long-term…
The INTEGRAL LMXRB Monitoring Programme
A. Paizis, T. J. -L. Courvoisier, O. Vilhu +21
Our collaboration is responsible for the study of a sample of 72 low mass X-ray binaries (LMXRB) using the INTEGRAL Core Programme data. In this paper we describe the monitoring pr…
From BeppoSAX to INTEGRAL: PDS observations of hard X-ray sources detected in the IBIS survey
A. Malizia, L. Bassani, R. Landi +16
The first IBIS galactic plane survey has provided a list of high energy emitting objects above 20 keV; these sources have been detected mostly in the crowded region of the Galactic…
The sky behind our galaxy as seen by IBIS on INTEGRAL
L. Bassani, A. Malizia, J. B. Stephen +16
During the Core Programme, INTEGRAL has surveyed a large portion of the sky (around 9000 square degrees); although INTEGRAL is not optimized for extra-galactic studies its observat…
BeppoSAX-WFC monitoring of the Galactic Center region
Jean in 't Zand, Frank Verbunt, John Heise +6
We review the results obtained with the Galactic center campaigns of the BeppoSAX Wide Field X-ray Cameras (WFCs). This pertains to the study of luminous low-mass X-ray binaries (L…
X-ray spectral evolution of SAX J1747.0-2853 during outburst activity and confirmation of its transient nature
N. Werner, J. J. M. in 't Zand, L. Natalucci +6
SAX J1747.0-2853 is an X-ray transient which exhibited X-ray outbursts yearly between 1998 and 2001, and most probably also in 1976. The outburst of 2000 was the longest and bright…