24 July 2014 Bumber filter against micrometeoroids for eROSITA
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Abstract
The German X-ray telescope eROSITA will perform the first imaging all-sky survey in the medium energy range up to 10 keV with unprecedented spectral and angular resolution. The launch of eROSITA onboard of the Russian Spectrum- Röntgen-Gamma satellite into an orbit around the L-2 lagrangian point is foreseen in 2016. Even tough the L-2 space environment can be considered free of orbital debris, the presence of extraterrestrial meteoroids in the interplanetary space implies a certain hazard for the eROSITA pnCCDs, as experienced by both pn and MOS cameras onboard XMM-Newton. In this paper we address this question and investigate the response of the optical blocking filter to hypervelocity impacts.
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E. Perinati, E. Perinati, S. Bugiel, S. Bugiel, M. Freyberg, M. Freyberg, Sebastian Diebold, Sebastian Diebold, A. Santangelo, A. Santangelo, R. Srama, R. Srama, C. Tenzer, C. Tenzer, A. von Kienlin, A. von Kienlin, } "Bumber filter against micrometeoroids for eROSITA", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91444W (24 July 2014); doi: 10.1117/12.2055464; https://doi.org/10.1117/12.2055464
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