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  The calibration of eROSITA on SRG

Dennerl, K., Andritschke, R., Braeuninger, H., Burkert, W., Burwitz, V., Emberger, V., et al. (2020). The calibration of eROSITA on SRG. In Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray. doi:10.1117/12.2562330.

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Dennerl, Konrad1, Author              
Andritschke, Robert1, Author              
Braeuninger, Heinrich1, Author              
Burkert, Wolfgang1, Author              
Burwitz, Vadim1, Author              
Emberger, Valentin1, Author              
Freyberg, Michael1, Author              
Friedrich, Peter1, Author              
Gaida, Roland1, Author              
Granato, Stefanie1, Author              
Hartner, Gisela1, Author              
Kienlin, Andreas von1, Author              
Meidinger, Norbert1, Author              
Menz, Benedikt1, Author              
Predehl, Peter1, Author              
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1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: The power of eROSITA (extended ROentgen Survey with an Imaging Telescope Array), the core instrument on the Russian–German Spectrum–Roentgen–Gamma (SRG) mission, is high sensitivity at high spectral, spatial, and temporal resolution over a large field of view. This is achieved by combining 7 coaligned X–ray telescope modules, each composed of 54 paraboloid / hyperboloid mirror shells in a Wolter–I geometry, to focus the X–rays through optical blocking filters onto PNCCDs with a total of 1 million pixels, providing a spectral resolution of 60 – 160 eV FWHM over an energy range 0.2 – 8 keV and a 1 degree field of view at a time resolution of 50 ms. In order to make full scientific use of the unique capabilities of eROSITA, all the individual components have to be calibrated. The initial ground calibration was done at the PANTER and PUMA facilities of MPE as well as at BESSY, and was supplemented by an in–orbit calibration. We report on the extensive and often challenging calibration activities performed on ground and in space.

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Language(s): eng - English
 Dates: 2020-12-13
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1117/12.2562330
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Title: Conference on Space Telescopes and Instrumentation - Ultraviolet to Gamma Ray / SPIE Astronomical Telescopes + Instrumentation Conference
Place of Event: ELECTR NETWORK
Start-/End Date: 2020-12-14 - 2020-12-18

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Title: Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
Source Genre: Proceedings
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Pages: - Volume / Issue: 11444 Sequence Number: 114444Q Start / End Page: - Identifier: -