The Cadmium Zinc Telluride Imager on AstroSat |
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| Authors: | V. Bhalerao D. Bhattacharya A. Vibhute P. Pawar A. R. Rao M. K. Hingar Rakesh Khanna A. P. K. Kutty J. P. Malkar M. H. Patil Y. K. Arora S. Sinha P. Priya Essy Samuel S. Sreekumar P. Vinod N. P. S. Mithun S. V. Vadawale N. Vagshette K. H. Navalgund K. S. Sarma R. Pandiyan S. Seetha K. Subbarao |
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| Affiliation: | 1.Inter University Centre for Astronomy and Astrophysics,Pune,India;2.S. R. T. M. University,Nanded,India;3.Tata Institute of Fundamental Research,Mumbai,India;4.Vikram Sarabhai Space Centre,Thiruvananthapuram,India;5.Physical Research Laboratory,Ahmedabad,India;6.ISRO Satellite Centre,Bangalore,India |
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| Abstract: | The Cadmium Zinc Telluride Imager (CZTI) is a high energy, wide-field imaging instrument on AstroSat. CZTI’s namesake Cadmium Zinc Telluride detectors cover an energy range from 20 keV to (>200) keV, with 11% energy resolution at 60 keV. The coded aperture mask attains an angular resolution of 17(^prime ) over a 4.6(^circ ) (times ) 4.6(^circ ) (FWHM) field-of-view. CZTI functions as an open detector above 100 keV, continuously sensitive to GRBs and other transients in about 30% of the sky. The pixellated detectors are sensitive to polarization above (sim )100 keV, with exciting possibilities for polarization studies of transients and bright persistent sources. In this paper, we provide details of the complete CZTI instrument, detectors, coded aperture mask, mechanical and electronic configuration, as well as data and products. |
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