Statistics – Methodology
Scientific paper
Nov 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.1945...42b&link_type=abstract
Proc. SPIE Vol. 1945, p. 42-54, Space Astronomical Telescopes and Instruments II, Pierre Y. Bely; James B. Breckinridge; Eds.
Statistics
Methodology
Scientific paper
The Hubble Space Telescope (HST) is an orbiting astronomical observatory, designed to operate as close as possible to ground based instrumentation, given the limitation of operating in a low earth orbit. The spacecraft design had to accommodate an absolute pointing accuracy of 0.01 arc seconds, a relative pointing stability of 0.007 arc seconds rms, the capability to maneuver 90 degrees in 18 minutes, and operate autonomously in a safe-mode control scheme for up to 72 hours. Furthermore, the design had to provide for a flexible, stored command methodology, and real-time command capability. This paper briefly reviews the spacecraft engineering hardware and software design. A detailed critique of the on-orbit performance of the spacecraft is provided. Enhancements and work-around, which have enabled HST to continue implementation of a successful science plan, are explained.
Abramowicz-Reed Linda
Andersen Greg C.
Bennett Norman R.
Bradley Arthur J.
Crabb William G.
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