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Proceedings Paper

BeppoSAX GRBM on-ground calibration data analysis
Author(s): Lorenzo Amati; Maria Nerina Cinti; Marco Feroci; Enrico Costa; Filippo Frontera; Daniele Dal Fiume; P. Collina; Luciano Nicastro; M. Orlandini; Eliana Palazzi; Massimo Rapisarda; Guido Zavattini
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Paper Abstract

We describe the analysis of BeppoSAX gamma-ray burst monitor on-ground calibrations performed after the full integration of the spacecraft in order to explore in detail the dependence of the detectors efficiency on the direction and energy of impinging photons. Analytical techniques have been used to determine with reasonable accuracy this function by fitting the angular response at different calibration energies with simple models partially derived from the underlying physics and partially semiempirical. Satisfactory results have been obtained for the two detectors which have almost clean field of view and are co-aligned with the wide field cameras. Work is still in progress for the others. Preliminary results of ground calibration analysis have been already used to derive spectral information on gamma-ray bursts impinging parallel to the axis of the two best performing shields.

Paper Details

Date Published: 15 October 1997
PDF: 10 pages
Proc. SPIE 3114, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VIII, (15 October 1997); doi: 10.1117/12.283767
Show Author Affiliations
Lorenzo Amati, Istituto di Astrofisica Spaziale and Univ. La Sapienza (Italy)
Maria Nerina Cinti, Istituto di Astrofisica Spaziale (Italy)
Marco Feroci, Istituto di Astrofisica Spaziale (Italy)
Enrico Costa, Istituto di Astrofisica Spaziale (Italy)
Filippo Frontera, Istituto TESRE and Univ. di Ferrara (Italy)
Daniele Dal Fiume, Istituto TESRE (Italy)
P. Collina, Univ. di Ferrara (Italy)
Luciano Nicastro, Istituto TESRE (Italy)
M. Orlandini, Istituto TESRE (Italy)
Eliana Palazzi, Istituto TESRE (Italy)
Massimo Rapisarda, Istituto di Astrofisica Spaziale (Italy)
Guido Zavattini, Univ. di Ferrara (Italy)

Published in SPIE Proceedings Vol. 3114:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VIII
Oswald H. W. Siegmund; Mark A. Gummin, Editor(s)

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