Bumber filter against micrometeoroids for eROSITA

E. Perinati; S. Bugiel; M. Freyberg; Sebastian Diebold; A. Santangelo; R. Srama; C. Tenzer; A. von Kienlin

doi:10.1117/12.2055464

24 July 2014 Bumber filter against micrometeoroids for eROSITA

E. Perinati, S. Bugiel, M. Freyberg, Sebastian Diebold, A. Santangelo, R. Srama, C. Tenzer, A. von Kienlin

Proceedings Volume 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray; 91444W (2014) https://doi.org/10.1117/12.2055464
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

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.

Citation Download Citation

E. Perinati, S. Bugiel, M. Freyberg, Sebastian Diebold, A. Santangelo, R. Srama, C. Tenzer, and 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); https://doi.org/10.1117/12.2055464

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