IBIS: The Imager on-board INTEGRAL

• DOI: 10.1051/0004-6361:20031224
• Publication Date: 2003-10-28T10:26:22Z
• Authors: P. Ubertini; F. Lebrun; G. Di Cocco; A. Bazzano; A. J. Bird; K. Broenstad; A. Goldwurm; G. La Rosa; C. Labanti; P. Laurent; I. F. Mirabel; E. M. Quadrini; B. Ramsey; V. Reglero; L. Sabau; B. Sacco; R. Staubert; L. Vigroux; M. C. Weisskopf; A. A. Zdziarski
• Keywords: Ibis; Aperture (computer memory); Orbit (dynamics)

The IBIS telescope is the high angular resolution gamma-ray imager on-board INTEGRAL Observatory, successfully launched from Baikonur (Kazakhstan) 17th of October 2002. This medium size ESA project, planned for a 2 year mission with possible extension to 5, devoted observation sky in energy range 3 keV 10 MeV (Winkler [CITE]). imaging system based on two independent solid state detector arrays optimised low ( keV) and MeV) energies surrounded by an active VETO System. efficiency shield essential minimise background induced particles highly excentric out van Allen belt orbit. A Tungsten Coded Aperture Mask, 16 mm thick ~1 squared meter dimension device. will serve scientific community at large providing unique combination unprecedented wide field capability coupled broad band spectroscopy timing over X gamma rays. To date working nominally orbit since more than 9 month.