Bird, A.J., Barlow, E.J., Bassani, L., Bodaghee, A., Capitanio, F., Cocchi, M., Del Santo, M., Dean, A.J., Hill, A.B., Lebrun, F., Malaguti, G., Malizia, A., Much, R., Shaw, S.E., Stephen, J.B., Terrier, R., Ubertini, P. and Walter, R. (2004) The first IBIS/ISGRI soft ?-ray galactic plane survey catalog. Astrophysical Journal, 607 (1), 33-37. (doi:10.1086/421772).
Abstract
We report the first high-energy survey catalog obtained with the IBIS gamma-ray imager on board INTEGRAL. The analysis has been performed on the first-year Core Program ISGRI data comprising both Galactic Plane Scan and Galactic Centre Deep Exposure pointings for a total exposure time exceeding 5 Ms. This initial survey has revealed the presence of ~120 sources detected with the unprecedented sensitivity of ~1 mcrab in the energy range 20-100 keV. Each source is located to an accuracy between 1' and 3', depending on its brightness. The outstanding IBIS capability to locate soft gamma-ray emitters has allowed us to identify most of the detected sources with already known Galactic X-ray binary systems, while 28 of the objects are of unknown nature.
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