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Proceedings Paper

In-flight calibration of the SWIFT XRT effective area
Author(s): 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
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Paper 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.

Paper Details

Date Published: 18 August 2005
PDF: 8 pages
Proc. SPIE 5898, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV, 589819 (18 August 2005); doi: 10.1117/12.616974
Show Author Affiliations
P. Romano, INAF--Osservatorio Astronomico di Brera (Italy)
G. Cusumano, INAF-IASF (Italy)
S. Campana, INAF--Osservatorio Astronomico di Brera (Italy)
V. Mangano, INAF-IASF (Italy)
A. Moretti, INAF--Osservatorio Astronomico di Brera (Italy)
A. F. Abbey, Univ. of Leicester (United Kingdom)
L. Angelini, NASA-GSFC (United States)
A. Beardmore, Univ. of Leicester (United Kingdom)
D. N. Burrows, Pennsylvania State Univ. (United States)
M. Capalbi, ASI-ASDC (Italy)
G. Chincarini, INAF--Osservatorio Astronomico di Brera (Italy)
O. Citterio, INAF--Osservatorio Astronomico di Brera (Italy)
P. Giommi, ASI-ASDC (Italy)
M. R. Goad, Univ. of Leicester (United Kingdom)
O. Godet, Univ. of Leicester (United Kingdom)
G. D. Hartner, Max-Planck-Institut fur extraterrestrische Physik (Germany)
J. E. Hill, Pennsylvania State Univ. (United States)
J. Kennea, Pennsylvania State Univ. (United States)
V. LaParola, INAF-IASF (Italy)
T. Mineo, INAF-IASF (Italy)
D. Morris, Pennsylvania State Univ. (United States)
J. A. Nousek, Pennsylvania State Univ. (United States)
J. Osborne, Univ. of Leicester (United Kingdom)
K. Page, Univ. of Leicester (United Kingdom)
C. Pagani, INAF--Osservatorio Astronomico di Brera (Italy)
Pennsylvania State Univ. (United States)
M. Perri, ASI-ASDC (Italy)
G. Tagliaferri, INAF--Osservatorio Astronomico di Brera (Italy)
F. Tamburelli, ASI-ASDC (Italy)
A. Wells, Univ. of Leicester (United Kingdom)


Published in SPIE Proceedings Vol. 5898:
UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIV
Oswald H. W. Siegmund, Editor(s)

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