AXAF,a permanent orbiting X-ray observatory: Telescope and instrumentation plans |
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Authors: | MV Zombeck |
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Institution: | Harvard/Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA |
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Abstract: | The Advanced X-ray Astrophysics Facility (AXAF) now under study is to be a long-lived X-ray observatory in space. It is to be launched by the Space Shuttle, maintainable on-orbit, and retrievable for ground re-furbishment. The AXAF is conceived as an X-ray telescope with 6 nested grazing incidence X-ray mirrors (with a maximum aperture of 1.2 m) and interchangeable and replaceable focal plane instruments. The optics will provide 0.5 arcsecond imagery over a several arcminute field and somewhat reduced resolution over 1 degree in the X-ray band from 0.1 to 10 keV (1.2 to 120 A). The characteristics and expected performance of the observatory are described. |
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