The high-throughput X-ray spectroscopy mission E6889478 MN513835

Details The high-throughput X-ray spectroscopy mission E6889478 MN513835 The high-throughput X-ray spectroscopy mission E6889478 MN513835

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987stin...8824554b&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, European Space Programs, Satellite Design, Satellite-Borne Instruments, Systems Engineering, X Ray Spectroscopy, Broadband, Charge Coupled Devices, Spaceborne Telescopes, Spatial Resolution, Spectrophotometry

Scientific paper

Instrumentation to satisfy ESA's X-ray spectroscopy mission requirements of spatial resolution within 30 arc sec HEW; effective area: 10,000 sq cm at 2 keV; 5000 sq cm at 8 keV; broadband 0.1 to 10 keV spectroscopy with a resolving power of between 5 and 60; medium-resolution spectroscopy between 0.1 to 3 keV with a resolving power of over 250; and high-resolution spectroscopy in selected wavebands with a resolving power of over 1000 was defined. A CCD array is the primary broadband camera for each telescope module. A reflection-grating module fitted to two telescopes provides the medium-resolution spectroscopic capability. A Bragg crystal spectrometer fitted to two telescopes provides a high-resolution spectroscopic capability. An imaging gas-scintillation camera fitted to each telescope acts as a low-background back-up camera and complements the primary CCD camera in its weaker areas. An optical monitor provides the wide-band simultaneous optical coverage of X-ray targets to a limiting magnitude of 24. The instrument also provides the role of a bore-sight tracker for the majority of X-ray targets.

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