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FGS1R: Potentially HST’s Astrometry Science Workhorse

By Et Al, Olivia Lupie and Lauretta Nagel


Abstract. We review the enhancements to the flight spare FGS (called FGS1R) which was installed in the Second Servicing Mission in February 1997, and present the latest results of the FGS1R monitoring program. The performance of FGS1R and the current astrometer, FGS3, are compared and we present simulations of expected performance of FGS1R once the instrument reaches in-orbit stability. 1

Year: 2013
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