Development and testing of the eROSITA mirror modules

Vadim Burwitz; Peter Friedrich; Heinrich Bräuninger; Bernd Budau; Wolfgang Burkert; Josef Eder; Michael Freyberg; Gisela Hartner; Elmar Pfeffermann; Peter Predehl; Luigina Arcangeli; Giuseppe Borghi; Andrea Borroni; Oberto Citterio; Ivan Ferrario; Gabriele Grisoni; Fabio Marioni; Antonio Ritucci; Massimiliano Rossi; Giuseppe Valsecchi; Dervis Vernani

doi:10.1117/12.895382

30 September 2011 Development and testing of the eROSITA mirror modules

Vadim Burwitz, Peter Friedrich, Heinrich Bräuninger, Bernd Budau, Wolfgang Burkert, Josef Eder, Michael Freyberg, Gisela Hartner, Elmar Pfeffermann, Peter Predehl, Luigina Arcangeli, Giuseppe Borghi, Andrea Borroni, Oberto Citterio, Ivan Ferrario, Gabriele Grisoni, Fabio Marioni, Antonio Ritucci, Massimiliano Rossi, Giuseppe Valsecchi, Dervis Vernani

Author Affiliations +

Proceedings Volume 8147, Optics for EUV, X-Ray, and Gamma-Ray Astronomy V; 814708 (2011) https://doi.org/10.1117/12.895382
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

MPE will provide the X-ray Survey Telescope eROSITA for the Russian Spektrum-Roentgen-Gamma Mission to be launched in 2013. It consists of a compact bundle of 7 co-aligned mirror modules with a focal length of 1600 mm and 54 nested mirror shells each. Therefore, its sensitivity in terms of effective area, field-of-view (61'), and angular resolution (15" HEW on-axis) will yield a high grasp of about 1000 cm² deg² around 1 keV with an average angular resolution of ~26" HEW over the field-of-view (30" including optical and spacecraft error contributions). After an extended test program on single mirror shells, assembled test modules (6 shells) and a qualification model we have now started integration of flight mirror modules. We give a résumé on the development and test program including key improvements to the shell integration method. Moreover, we report on the integration progress and present first results on the X-ray performance of partially integrated mirror modules.

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Vadim Burwitz, Peter Friedrich, Heinrich Bräuninger, Bernd Budau, Wolfgang Burkert, Josef Eder, Michael Freyberg, Gisela Hartner, Elmar Pfeffermann, Peter Predehl, Luigina Arcangeli, Giuseppe Borghi, Andrea Borroni, Oberto Citterio, Ivan Ferrario, Gabriele Grisoni, Fabio Marioni, Antonio Ritucci, Massimiliano Rossi, Giuseppe Valsecchi, and Dervis Vernani "Development and testing of the eROSITA mirror modules", Proc. SPIE 8147, Optics for EUV, X-Ray, and Gamma-Ray Astronomy V, 814708 (30 September 2011); https://doi.org/10.1117/12.895382

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