Design of a CZT gamma-camera for GRB and fast transient follow-up: a wide-field-monitor for the EDGE mission

L. Natalucci; M. Feroci; E. Quadrini; P. Ubertini; L. Piro; J. W. den Herder; D. Barret; L. Amati; C. Budtz-Jorgensen; E. Caroli; S. Di Cosimo; M. Frutti; C. Labanti; F. Monzani; J. M. Poulsen; L. Nicolini; A. Stevoli

doi:10.1117/12.734522

19 September 2007 Design of a CZT gamma-camera for GRB and fast transient follow-up: a wide-field-monitor for the EDGE mission

L. Natalucci, M. Feroci, E. Quadrini, P. Ubertini, L. Piro, J. W. den Herder, D. Barret, L. Amati, C. Budtz-Jorgensen, E. Caroli, S. Di Cosimo, M. Frutti, C. Labanti, F. Monzani, J. M. Poulsen, L. Nicolini, A. Stevoli

Author Affiliations +

Proceedings Volume 6686, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XV; 66860T (2007) https://doi.org/10.1117/12.734522
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

The success of the SWIFT/BAT and INTEGRAL missions has definitely opened a new window for follow-up and deep study of the transient gamma-ray sky. This now appears as the access key to important progresses in the area of cosmological research and deep understanding of the physics of compact objects. To detect in near real-time explosive events like Gamma-Ray bursts, thermonuclear flashes from Neutron Stars and other types of X-ray outbursts we have developed a concept for a wide-field gamma-ray coded mask instrument working in the range 8-200 keV, having a sensitivity of 0.4 ph cm⁻² s⁻¹ in 1 s (15-150 keV) and arcmin location accuracy over a sky region as wide as 3 sr. This scientific requirement can be achieved by means of two large area, high spatial resolution CZT detection planes made of arrays of relatively large (~ 1 cm²) crystals, which are in turn read out as matrices of smaller pixels. To achieve such a wide Field-Of-View the two units can be placed at the sides of a S/C platform serving a payload with a complex of powerful X-ray instruments, as designed for the EDGE mission. The two units will be equipped with powerful signal read out system and data handling electronics, providing accurate on-board reconstruction of the source positions for fast, autonomous target acquisition by the X-ray telescopes.

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L. Natalucci, M. Feroci, E. Quadrini, P. Ubertini, L. Piro, J. W. den Herder, D. Barret, L. Amati, C. Budtz-Jorgensen, E. Caroli, S. Di Cosimo, M. Frutti, C. Labanti, F. Monzani, J. M. Poulsen, L. Nicolini, and A. Stevoli "Design of a CZT gamma-camera for GRB and fast transient follow-up: a wide-field-monitor for the EDGE mission", Proc. SPIE 6686, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XV, 66860T (19 September 2007); https://doi.org/10.1117/12.734522

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