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Proceedings Paper

Calibration of the XRT-SOLARB flat mirror samples at the XACT Facility of INAF-OAPA
Author(s): Maria Antonella Artale; Marco Barbera; Alfonso Collura; Gaspare Di Cicca; Giovanni Peres; Salvatore Varisco; J. A. Bookbinder; Peter N. Cheimets; Mario L. Cosmo; Edward E. DeLuca; Leon Golub; Mark A. Weber
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Paper Abstract

The X-Ray Telescope (XRT) experiment on-board the Japanese satellite SOLAR-B (launch in 2006) is equipped with a modified Wolter I grazing incidence X-ray telescope (focal length 2700 mm) to image the full Sun at ~ 1.5" angular resolution onto a 2048 x 2048 back illuminated CCD focal plane detector. The X-ray telescope consisting of one single reflecting shell is coated with ion beam sputtered Iridium over a binding layer of Chromium to provide nearly 5 square centimetres effective area at 60 Å. We present preliminary results of X-ray calibrations of the XRT flat mirror samples performed at the X-ray Astronomy Calibration and Testing (XACT) facility of INAF-OAPA. We describe the instrumental set-up, the adopted measurement technique, and present the measured reflectivity vs. angle of incidence at few energies.

Paper Details

Date Published: 11 October 2004
PDF: 9 pages
Proc. SPIE 5488, UV and Gamma-Ray Space Telescope Systems, (11 October 2004); doi: 10.1117/12.553128
Show Author Affiliations
Maria Antonella Artale, INAF, Osservatorio Astronomico di Palermo (Italy)
Marco Barbera, INAF, Osservatorio Astronomico di Palermo (Italy)
Alfonso Collura, Instituto di Astrofisica Spaziale e Fisica Cosmica, CNR (Italy)
INAF, Osservatorio Astronomico di Palermo (Italy)
Gaspare Di Cicca, INAF, Osservatorio Astronomico di Palermo (Italy)
Giovanni Peres, Univ. degli Studi di Palermo (Italy)
INAF, Osservatorio Astronomico di Palermo (Italy)
Salvatore Varisco, INAF, Osservatorio Astronomico di Palermo (Italy)
J. A. Bookbinder, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Peter N. Cheimets, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Mario L. Cosmo, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Edward E. DeLuca, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Leon Golub, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Mark A. Weber, Harvard-Smithsonian Ctr. for Astrophysics (United States)


Published in SPIE Proceedings Vol. 5488:
UV and Gamma-Ray Space Telescope Systems
Guenther Hasinger; Martin J. L. Turner, Editor(s)

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