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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…
Is 3C111, an apparently normal radio galaxy, the counterpart of 3EG J0416+3650?
V. Sguera, L. Bassani, A. Malizia +3
The Third EGRET Catalog (3EG) lists 66 high-confidence identifications of sources with Active Galactic Nuclei (AGN). All are classified as belonging to the blazar class, with the o…
Unveiling the nature of three INTEGRAL sources through optical spectroscopy
N. Masetti, E. Palazzi, L. Bassani +2
The results of an optical spectroscopy campaign performed at the Astronomical Observatory of Bologna in Loiano (Italy) on three hard X-ray sources detected by INTEGRAL (IGR J17303-…
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…
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…