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New outbursts of the black hole candidate H1743-322/IGR J17464-3213 observed by INTEGRAL
F. Capitanio, A. Bazzano, P. Ubertini +1
On March 2003, INTEGRAL/IBIS detected an outburst from a new source, IGR J17464-3213, that turned out to be a HEAO-1 transient, namely H1743-322. Its fux decayed below the RXTE PCA…
Spectral variability modes of GX 339-4 in a hard-to-soft state transition
M. Del Santo, J. Malzac, P. Ubertini +1
We report on INTEGRAL observations performed during the 2004 outburst of the bright black hole transient GX 339-4. We analysed IBIS and JEM-X public data starting on 9th August and…
The first detection of Compton Reflection in the Low-Mass X-ray Binary 4U1705-44 with INTEGRAL and BeppoSAX
Mariateresa Fiocchi, Angela Bazzano, Pietro Ubertini +1
We present data from INTEGRAL and BeppoSAX satellites showing spectral state transitions of the neutron-star, atoll-type, low-mass X-ray binary 1705-44. Its energy spectrum can be…
The 3rd IBIS/ISGRI soft gamma-ray survey catalog
A. J. Bird, A. Malizia, A. Bazzano +20
In this paper we report on the third soft gamma-ray source catalog obtained with the IBIS/ISGRI gamma-ray imager on board the INTEGRAL satellite. The scientific dataset is based on…
Hunting the nature of IGR J17497-2821 with X-ray and NIR observations
A. Paizis, M. A. Nowak, S. Chaty +7
We report on a Chandra grating observation of the recently discovered hard X-ray transient IGR J17497-2821. The observation took place about two weeks after the source discovery at…
INTEGRAL and Swift observations of the supergiant fast X-ray transient AXJ1845.0-0433=IGRJ18450-0435
V. Sguera, A. J. Bird, A. J. Dean +8
Context: AXJ1845.0-0433 was discovered by ASCA in 1993 during fast outburst activity characterized by several flares on short timescales. Up to now, the source was not detected aga…