Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1126...41s&link_type=abstract
SIMBOL-X: FOCUSING ON THE HARD X-RAY UNIVERSE: Proceedings of the 2nd International Simbol-X Symposium. AIP Conference Proceedi
Astronomy and Astrophysics
Astronomy
2
X- And Gamma-Ray Telescopes And Instrumentation, Astronomical And Space-Research Instrumentation, X-Ray Imaging, Optical Coatings
Scientific paper
Surface microroughness of X-ray mirrors is a key issue for the angular resolution of Simbol-X to comply with the required one (<20 arcsec at 30 keV). The maximum tolerable microroughness for Simbol-X mirrors, in order to satisfy the required imaging capability, has already been derived in terms of its PSD (Power Spectral Density). However, also the Effective Area of the telescope is affected by the mirror roughness. In this work we will show how the expected effective area of the Simbol-X mirror module can be computed from the roughness PSD tolerance, checking its compliance with the requirements.
Basso Stefano
Cotroneo Vincenzo
Pareschi Giovanni
Spiga Daniele
Tagliaferri Giampiero
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