New technology and techniques for x-ray mirror calibration at PANTER

Michael J. Freyberg; Bernd Budau; Wolfgang Burkert; Peter Friedrich; Gisela Hartner; Kazutami Misaki; Martin Mühlegger

doi:10.1117/12.789853

15 July 2008 New technology and techniques for x-ray mirror calibration at PANTER

Michael J. Freyberg, Bernd Budau, Wolfgang Burkert, Peter Friedrich, Gisela Hartner, Kazutami Misaki, Martin Mühlegger

Proceedings Volume 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray; 701117 (2008) https://doi.org/10.1117/12.789853
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

The PANTER X-ray Test Facility has been utilized successfully for developing and calibrating X-ray astronomical instrumentation for observatories such as ROSAT, Chandra, XMM-Newton, Swift, etc. Future missions like eROSITA, SIMBOL-X, or XEUS require improved spatial resolution and broader energy band pass, both for optics and for cameras. Calibration campaigns at PANTER have made use of flight spare instrumentation for space applications; here we report on a new dedicated CCD camera for on-ground calibration, called TRoPIC. As the CCD is similar to ones used for eROSITA (pn-type, back-illuminated, 75 μm pixel size, frame store mode, 450 μm micron wafer thickness, etc.) it can serve as prototype for eROSITA camera development. New techniques enable and enhance the analysis of measurements of eROSITA shells or silicon pore optics. Specifically, we show how sub-pixel resolution can be utilized to improve spatial resolution and subsequently the characterization of of mirror shell quality and of point spread function parameters in particular, also relevant for position reconstruction of astronomical sources in orbit.

Citation Download Citation

Michael J. Freyberg, Bernd Budau, Wolfgang Burkert, Peter Friedrich, Gisela Hartner, Kazutami Misaki, and Martin Mühlegger "New technology and techniques for x-ray mirror calibration at PANTER", Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 701117 (15 July 2008); https://doi.org/10.1117/12.789853

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