Calibration of the ROSAT High-Resolution Imager

Martin V. Zombeck; Maureen A. Conroy; F. Rick Harnden Jr.; Adrian G. Roy; Heinrich W. Braeuninger; Wolfgang Burkert; Gunther Hasinger; Peter Predehl

doi:10.1117/12.23255

1 November 1990 Calibration of the ROSAT High-Resolution Imager

Martin V. Zombeck, Maureen A. Conroy, F. Rick Harnden Jr., Adrian G. Roy, Heinrich W. Braeuninger, Wolfgang Burkert, Gunther Hasinger, Peter Predehl

Author Affiliations +

Proceedings Volume 1344, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy; (1990) https://doi.org/10.1117/12.23255
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The microchannel plate-based High Resolution Imager (HRI) is one of the focal plane instruments of the Rosat X-ray telescope that was launched on 1 June 1990. The calibration of the HRI is reported and preliminary results from the in-orbit calibration are presented. The quantum efficiency of the detector has been determined as a function of energy, the spatial variation of quantum efficiency, geometric nonlinearities, background, imaging performance, and UV sensitivity. Results of periodic tests of the temporal stability of the instrument are also reported.

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Martin V. Zombeck, Maureen A. Conroy, F. Rick Harnden Jr., Adrian G. Roy, Heinrich W. Braeuninger, Wolfgang Burkert, Gunther Hasinger, and Peter Predehl "Calibration of the ROSAT High-Resolution Imager", Proc. SPIE 1344, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy, (1 November 1990); https://doi.org/10.1117/12.23255

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