Space telescope - Meeting the pointing control challenge with today's technology

Dougherty, H.; Rodoni, C.; Rodden, J.; Tompetrini, K.

doi:10.2514/6.1982-1842

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Acquisition Logic1

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1991

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“…Although the guide-star acquisition procedure has been revised over the years, the original concept as described in Dougherty et al 1982a The guide-star acquisition commanding shares the Conditional Processor of the DF-224 computer along with the astrometry commands. To maintain stable vehicle control during an observation, two FGSs must be locked on guide stars.…”

Section: Acquisition Logicmentioning

confidence: 99%

The flight hardware and ground system for Hubble Space Telescope astrometry

Bradley¹,

Abramowicz-Reed

Story

et al. 1991

PASP

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The Hubble Space Telescope guidance and astrometric instrument, the Fine Guidance Sensor, is reviewed. We will discuss (1) the interferometric design of the instrument and its usefulness to astrometry, (2) the astrometric observing modes and the software commands used to implement them, and (3) the expected state of the spacecraft during an observation with respect to the line-of-sight jitter, drift, and guidance mode.

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Section: Acquisition Logicmentioning

confidence: 99%