From BeppoSAX to INTEGRAL: PDS observations of hard X-ray sources detected in the IBIS survey
A. Malizia, L. Bassani, R. Landi, M. Molina, J. B. Stephen, F. Gianotti, F. Schiavone, E. J. Barlow, A. Bazzano, A. J. Bird, F. Capitanio, A. J. Dean, M. Del Santo, F. Lebrun, M. Renaud, S. E. Shaw, R. Terrier, P. Ubertini, R. Walter
Abstract
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 Centre and partly along the Galactic Plane. In order to validate the detection procedure, to help in the identification process and to study the nature of these IBIS sources, this list has been cross correlated with the data archive of the PDS instrument on BeppoSAX, which operated in a similar energy band and with a similar sensitivity. We discover a number of associations whose detailed analysis will be particularly useful for the survey work. Also, thanks to the imaging capability of IBIS/ISGRI, objects which could not be studied by the PDS due to contamination from nearby sources can now be associated with a definite source or sources.
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