In-flight calibration of the SWIFT XRT effective area

P. Romano; G. Cusumano; S. Campana; V. Mangano; A. Moretti; A. F. Abbey; L. Angelini; A. Beardmore; D. N. Burrows; M. Capalbi; G. Chincarini; O. Citterio; P. Giommi; M. R. Goad; O. Godet; G. D. Hartner; J. E. Hill; J. Kennea; V. LaParola; T. Mineo; D. Morris; J. A. Nousek; J. Osborne; K. Page; C. Pagani; M. Perri; G. Tagliaferri; F. Tamburelli; A. Wells

doi:10.1117/12.616974

18 August 2005 In-flight calibration of the SWIFT XRT effective area

P. Romano, G. Cusumano, S. Campana, V. Mangano, A. Moretti, A. F. Abbey, L. Angelini, A. Beardmore, D. N. Burrows, M. Capalbi, G. Chincarini, O. Citterio, P. Giommi, M. R. Goad, O. Godet, G. D. Hartner, J. E. Hill, J. Kennea, V. LaParola, T. Mineo, D. Morris, J. A. Nousek, J. Osborne, K. Page, C. Pagani, M. Perri, G. Tagliaferri, F. Tamburelli, A. Wells

Author Affiliations +

Proceedings Volume 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV; 589819 (2005) https://doi.org/10.1117/12.616974
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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, G. Cusumano, S. Campana, V. Mangano, A. Moretti, A. F. Abbey, L. Angelini, A. Beardmore, D. N. Burrows, M. Capalbi, G. Chincarini, O. Citterio, P. Giommi, M. R. Goad, O. Godet, G. D. Hartner, J. E. Hill, J. Kennea, V. LaParola, T. Mineo, D. Morris, J. A. Nousek, J. Osborne, K. Page, C. Pagani, M. Perri, G. Tagliaferri, F. Tamburelli, and 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); https://doi.org/10.1117/12.616974

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