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Proceedings Paper

Calibration of the ROSAT High-Resolution Imager
Author(s): Martin V. Zombeck; Maureen A. Conroy; F. Rick Harnden; Adrian G. Roy; Heinrich W. Braeuninger; Wolfgang Burkert; Gunther Hasinger; Peter Predehl
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Paper 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.

Paper Details

Date Published: 1 November 1990
PDF: 17 pages
Proc. SPIE 1344, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy, (1 November 1990); doi: 10.1117/12.23255
Show Author Affiliations
Martin V. Zombeck, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Maureen A. Conroy, Harvard-Smithsonian Ctr. for Astrophysics (United States)
F. Rick Harnden, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Adrian G. Roy, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Heinrich W. Braeuninger, Max-Planck-Institut fuer Physik und Astrophysik (Germany)
Wolfgang Burkert, Max-Planck-Institut fuer Physik und Astrophysik (Germany)
Gunther Hasinger, Max-Planck-Institut fuer Physik und Astrophysik (Germany)
Peter Predehl, Max-Planck-Institut fuer Physik und Astrophysik (Germany)


Published in SPIE Proceedings Vol. 1344:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy
Oswald H. W. Siegmund; Hugh S. Hudson, Editor(s)

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