18 August 2005 In-flight calibration of the SWIFT XRT effective area
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Abstract
The Swift X-ray Telescope (XRT) is designed to make astrometric, spectroscopic and photometric observations of the X-ray emission from Gamma-ray bursts and their afterglows in the 0.2-10 keV energy band. Here we report the initial results of the analysis of Swift XRT effective area as measured both on-axis and off-axis during the in-flight calibration phase using the laboratory results and ray-tracing simulations as a starting point. Our analysis includes the study of the effective area at a range of energies, for different event grade selection and operating modes using two astronomical sources characterized by different intrinsic spectra.
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P. Romano, P. Romano, G. Cusumano, G. Cusumano, S. Campana, S. Campana, V. Mangano, V. Mangano, A. Moretti, A. Moretti, A. F. Abbey, A. F. Abbey, L. Angelini, L. Angelini, A. Beardmore, A. Beardmore, D. N. Burrows, D. N. Burrows, M. Capalbi, M. Capalbi, G. Chincarini, G. Chincarini, O. Citterio, O. Citterio, P. Giommi, P. Giommi, M. R. Goad, M. R. Goad, O. Godet, O. Godet, G. D. Hartner, G. D. Hartner, J. E. Hill, J. E. Hill, J. Kennea, J. Kennea, V. LaParola, V. LaParola, T. Mineo, T. Mineo, D. Morris, D. Morris, J. A. Nousek, J. A. Nousek, J. Osborne, J. Osborne, K. Page, K. Page, C. Pagani, C. Pagani, M. Perri, M. Perri, G. Tagliaferri, G. Tagliaferri, F. Tamburelli, F. Tamburelli, A. Wells, A. Wells, } "In-flight calibration of the SWIFT XRT effective area", Proc. SPIE 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV, 589819 (18 August 2005); doi: 10.1117/12.616974; https://doi.org/10.1117/12.616974
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